Control Units
TWS
Series
ø25mm
TWS_Front Page 1 Tuesday, June 14, 2005 10:49 AM
TWS
Series
Control Units (Selection Guide)
2
ø25
Function
Pushbutton
Category Flush Extended Extended with
Half Shroud
Extended with
Full Shroud Mushroom
Momentary/Maintained
Shape
Type ABS1
AOS1
ABS2
AOS2
ABGS2
AOGS2
ABFS2
AOFS2
ABS3
AOS3
Page 999910
Function
Pushbutton
Category
Mushroom with
Full Shroud Mushroom Pushlock
Turn Reset
Mushroom
Push Turn Lock Mushroom Push-Pull
Momentary/Maintained
Shape
Type ABGS3
AOGS3 AVS3 AJS3 AYS3
Page 10 10 10 11
Function
Pushbutton
Category Square Flush Square Extended Square Twin Square Twin
Momentary/Maintained Momentary Maintained
Shape
Type UBQS1
UOQS1 UBQS2 UWQN1 UWQN2
Page 11 11 12 12
Function
Pilot Light (LED/Incandescent)
Category Dome Square (Marking)
(Plastic Bezel)
Square (Marking)
(Metal Bezel)
Rectangular (Marking)
(Plastic Bezel)
Dome
Push-to-Check
Shape
Type APS1 UPQS1B UPQMS1B UPQS4B APS1
PN
Page 13 13 13 13 13
TWS.book Page 2 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Control Units (Selection Guide)
3
ø25
Function
Illuminated Pushbutton (LED/Incandescent)
Category Extended
(Non-marking)
Extended with
Half Shroud
(Non-marking)
Extended with
Full Shroud
(Non-marking)
ø35mm Mushroom
(Non-marking)
Mushroom Pushlock
Turn Reset
Shape
Type ALS2
AOLS2
ALGS2
AOLGS2
ALFS2
AOLFS2
ALS3
AOLS3 AVLS3
Page 15 16 17 18 18
Function
Illuminated
Pushbutton
(LED/Incandescent)
Selector Switch
Illuminated Selector
Switch
(LED/Incandescent)
Category Square Flush
(Marking) Knob Lever Key Knob
Shape
Type ULQS1B
UOLQS1B ASS ASS
LASS
KASLS
Page 19 21 22 23 24
TWS.book Page 3 Tuesday, June 7, 2005 3:51 PM
4
TWS
Series
Control Units
Highly reliable heavy-duty type control units
Suitable for industrial use
HW-C contact blocks are used.
Degree of protection: IP65 (IEC 60529)
UL and CSA approved, EN compliant
Contact Ratings
Characteristics
Contact Ratings by Utilization Category
Minimum applicable load: 3V AC/DC, 5 mA (applicable range may vary with operating conditions and load types)
HW-C (Contact Block)
Note: BS type contact block is used for square twin pushbuttons UWQN1 and UWQN2.
Safety Standards File No. or Organization
UL UL Listing
File No. E68961
CSA File No. LR21451
EN EN60947-1
EN60947-5-1 TÜV Rheinland
Specifications and Ratings
Contact Block
Rated Insulation Voltage 600V
Rated Continuous Current 10A
Contact Ratings by Utilization Category
IEC 60947-5-1
AC-15 (A600)
DC-13 (P600)
Operational Voltage 24V 48V 50V 110V 220V 440V
Operational
Current
AC
50/60 Hz
AC-12 Control of resistive loads and solid state loads 10A 10A 10A 6A 2A
AC-15 Control of electromagnetic loads (> 72 VA) 10A 7A 5A 3A 1A
DC DC-12 Control of resistive loads and solid state loads 8A 4A 2.2A 1.1A
DC-13 Control of electromagnets 4A 2A 1.1A 0.6A
For the control units listed below, the rated current (load switching current) is reduced to a half of the rated operational current of the con-
tact block. The rated insulation voltage (600V) and the rated thermal current (10A) remain unchanged.
Selector switches and illuminated selector switches with contact code 2R, 3S, 4S, or 4R.
M3.5 terminal screw
2-way wiring possible
Double-break rolling
action silver contacts
with raked surface
Contact Block Types
Contact NO NC NO (early make) NC (late break)
Housing Blue Purple red Blue Purple red
Push Rod Green Red Black White
Alkali-resistant
66 nylon housing
Push rod
Color-coded for
different contacts
Fitting groove
Snap-fit groove
Snap-fit latch
A maximum of four contact
blocks in two layers can
mount on the operator.
ø25
TWS.book Page 4 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Control Units
5
ø25
Specifications
LED Illuminated Unit Specifications
Incandescent Illuminated Unit Specifications
Operating Temperature –25 to +50°C (no freezing)
Operating Humidity 45 to 85% RH (no condensation)
Contact Resistance 50 m
maximum (initial value)
Insulation Resistance 100 M
minimum (500V DC megger)
Dielectric Strength Between live and dead metal parts: 2,500V AC, 1 minute
(Full voltage type illuminated units: 2,000V AC, 1 minute)
Vibration Resistance Operating extremes: 5 to 55 Hz, amplitude 0.5 mm
Shock Resistance Damage limits: 1,000 m/s
2
Operating extremes: 100 m/s
2
Mechanical Life (minimum operations)
Pushbuttons, Illuminated pushbuttons
Momentary: 5,000,000
Others: 500,000
Pushlock turn reset: 250,000
Selector switches: 500,000
Key selector switches: 500,000
Illuminated selector switches: 500,000
Electrical Life (minimum operations)
Pushbuttons: 500,000
1
Illuminated pushbuttons: 500,000
1
Pushlock turn reset: 250,000
1
Square twin maintained: 500,000
2
Selector switches: 500,000
3
Key selector switches: 500,000
3
Illuminated selector switches: 250,000
3
Others: 500,000
1
1 Switching frequency 1,800 operations/h, duty ratio 40%
2 Switching frequency 900 operations/h, duty ratio 40%
3 Switching frequency 1,200 operations/h, duty ratio 40%
Unit Color Code
Input Type Operating Voltage LED Lamp
Lamp Base Type No. Voltage
Pilot Light
Illuminated Pushbutton
Illuminated Selector Switch
A: amber
G: green
PW: pure white
R: red
S: blue
W: white
Y: yellow
Full Voltage
6V AC/DC
BA9S/13
LSTD-6
6V AC/DC ±10%
12V AC/DC LSTD-1
12V AC/DC ±10%
24V AC/DC LSTD-2
24V AC/DC ±10%
Transformer
100/110V AC/DC
115V AC/DC
120V AC/DC
200/220V AC/DC
230V AC/DC
240V AC/DC
380V AC/DC
400/440V AC/DC
(50/60 Hz)
LSTD-6
6V AC/DC ±10%
DC-DC Converter 110V DC LSTD-6
6V AC/DC ±10%
Unit Color Code
Input Type Operating Voltage Incandescent Lamp
Lamp Base Type No. Rating
Pilot Light
Illuminated Pushbutton
Illuminated Selector Switch
A: amber
C: clear
G: green
R: red
S: blue
W: white
Full Voltage
6V AC/DC
BA9S/13
LS-6 1W (6.3V)
12V AC/DC LS-8 1W (18V)
24V AC/DC LS-3 1W (30V)
Transformer
100/110V AC/DC
115V AC/DC
120V AC/DC
200/220V AC/DC
230V AC/DC
240V AC/DC
380V AC/DC
400/440V AC/DC
480V AC/DC
(50/60 Hz)
BA9S/13 LS-6 1W (6.3V)
TWS.book Page 5 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Control Units
6
ø25
LED Lamp Ratings (LSTD Type)
Incandescent Lamp Ratings (LS Type)
Degree of Protection
Type No. LSTD-6
LSTD-1
LSTD-2
Lamp Base BA9S/13
Rated Voltage 6V AC/DC 12V AC/DC 24V AC/DC
Voltage Range 6V AC/DC ±10% 12V AC/DC ±10% 24V AC/DC ±10%
Current Draw AC A, R, W, Y: 17 mA, G, PW, S: 8 mA 11 mA 11 mA
DC A, R, W, Y: 14 mA, G, PW, S: 5.5 mA 10 mA 10 mA
Color Code
A (amber), G (green), PW (pure white), R (red), S (blue), W (white), Y (yellow)
Lamp Base Color Same as illumination color
Voltage Marking Die stamped on the base
Life (reference value) Approx. 50,000 hours (The luminance is reduced to 50% the initial intensity when used on complete DC.)
Internal Circuit
A, R, W, Y
G, PW, S
Type No. LS-6 LS-8 LS-2 LS-3
Lamp Base BA9S/13
Rated Voltage 6V AC/DC 12V AC/DC 18V AC/DC 24V AC/DC
Wattage 1W (6.3V) 1W (18V) 1W (24V) 1W (30V)
Voltage Marking Die stamped on the base
Life (reference value) Approx. 1,000 hours minimum
(mean value when used on the rated voltage)
Mounting Hole Layout
Type No. Unit NEMA ICS 6-110 IEC 60529
A
∗∗∗∗
Pushbuttons, pilot lights, illuminated pushbutons, and selector switches Type 1, 2, 3, 3R, 4, 5, 12,13 IP65
Illuminated selector switches and key selector switches Type 1, 2, 3R, 5, 12, 13 IP54
U
∗∗∗∗
Square pushbuttons, square pilot lights, and square illuminated pushbuttons Type 1, 2 IP40
LED Chip
Protection Diode
Zener Diode
ø5
Note:
ø5 recess is for preventing rotation
and is not necessary when a
nameplate or anti-rotation ring is
not used.
45
Square Type
Round Type
+0.5
0
34 ()
50 (45min.)
ø25.5
Note: The minimum mounting centers are applicable to switches with one layer of contact
blocks (two contact blocks). When two layers of contact blocks are mounted, determine
the minimum mounting centers in consideration of convenience for wiring.
ø35mm mushroom: 35 mm minimum
Mushroom with shroud: 42 mm minimum
2-position, 3-position lever type selector switch: 42 mm minimum
4-position, 5-position lever type selector switch: 50 mm minimum
TWS.book Page 6 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Control Units (Ordering Information)
7
ø25
Ordering Information
Standard Units
Specify an operator or lens color code in the Type No.
Full voltage type illuminated units are not supplied with a
lamp. Order LED or incandescent lamps separately.
Transformer and DC-DC converter type illuminated units
contain an LED or incandescent lamp.
All standard units are UL, CSA, EN, and TÜV approved
(except DC-DC converter type).
Te r minal covers, nameplates, and accessories are
ordered separately.
Terminal Cover
When a terminal cover is required, order an applicable
terminal cover referring to page 29.
The Type No. development charts shown below can be used to specify control units other than those listed on the following
pages.
Pushbuttons
Pilot Lights
Illuminated Pushbuttons
ABS1 11 N R
Button color code
Contact arrangement code
10: 1NO 01: 1NC
11: 1NO-1NC 20: 2NO
02: 2NC 21: 2NO-1NC
12: 1NO-2NC 30: 3NO
03: 3NC 31: 3NO-1NC
22: 2NO-2NC 13: 1NO-3NC
40: 4NO 04: 4NC
Note:
Push-pull type AYS3 can have a maximum of two contact blocks.
APS1 116 D N R
Lens color code
Lamp type
D: LED (Transformer type only)
(blank): Incandescent
Operating voltage code
99: Full voltage
16: Transformer (100/110V AC)
116: Transformer (115V AC)
126: Transformer (120V AC)
26: Transformer (200/220V AC)
236: Transformer (230V AC)
246: Transformer (240V AC)
386: Transformer (380V AC)
46: Transformer (400/440V AC)
486: Transformer (480V AC)
16D: DC-DC converter (110V DC)
Note:
Full voltage type is not supplied with a lamp.
Transformer and DC-DC converter types contain an LED lamp
(LSTD-6) or incandescent lamp (LS-6).
ALFS2 126 13 D N R
Lens color code
Lamp type
D: LED (Transformer type only)
(blank): Incandescent
Contact arrangement code
11: 1NO-1NC 20: 2NO
02: 2NC 31: 3NO-1NC
22: 2NO-2NC 13: 1NO-3NC
40: 4NO 04: 4NC
Operating voltage code
99: Full voltage
16: Transformer (100/110V AC)
116: Transformer (115V AC)
126: Transformer (120V AC)
26: Transformer (200/220V AC)
236: Transformer (230V AC)
246: Transformer (240V AC)
386: Transformer (380V AC)
46: Transformer (400/440V AC)
486: Transformer (480V AC)
16D: DC-DC converter (110V DC)
Note:
Full voltage type is not supplied with a lamp.
Transformer and DC-DC converter types contain an LED lamp
(LSTD-6) or incandescent lamp (LS-6).
TWS.book Page 7 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Control Units (Ordering Information)
8
ø25
Selector Switch
Key Selector Switch
Illuminated Selector Switch
ASS 2 L 11 N
Contact arrangement code
Operator type
(blank): Knob
L: Lever
Number of positions
Note:
See pages 26 to 28 for contact arrangement codes.
ASS 2 K 20 N B
Key removable position code
2-position
Maintained
(blank): Removable in all positions
B: Removable in left only
C: Removable in right only
Spring return from right
(blank): Removable in left only
Spring return from left
(blank): Removable in right only
3-position
Maintained
(blank): Removable in all positions
B: Removable in left and center
C: Removable in right and center
D: Removable in center only
E: Removable in right and left
G: Removable in left only
H: Removable in right only
Spring return from right
(blank): Removable in left and center
D: Removable in center only
G: Removable in left only
Spring return from left
(blank): Removable in right and center
D: Removable in center only
H: Removable in right only
Spring return two-way
(blank): Removable in center only
Contact arrangement code
Number of positions
Note:
See page 26 to 28 for contact arrangement codes.
The key cannot be removed in the return position.
ASLS 2 16 22 D N R
Note:
Full voltage type is not supplied with a lamp.
Transformer type contains an LED lamp (LSTD-6) or incandes-
cent lamp (LS-6).
See pages 26 to 28 for contact arrangement codes.
Lens color code
Lamp type
D: LED (Transformer type only)
(blank): Incandescent
Contact arrangement code
Operating voltage code
99: Full voltage
16: Transformer (100/110V AC)
156: Transformer (115V AC)
136: Transformer (120V AC)
26: Transformer (200/220V AC)
236: Transformer (230V AC)
256: Transformer (240V AC)
386: Transformer (380V AC)
46: Transformer (400/440V AC)
486: Transformer (480V AC)
Number of positions
TWS.book Page 8 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Pushbuttons
9
ø25
Specify a button color code in place of
in the Type No.
Round bezel and shroud (metal): Chrome-plated
Pushbuttons with one or three contact blocks contain a dummy block.
Other contact arrangements are also available. See page 7.
Flush / Extended Types
Shape Operation
Type Contact Type No.
Button Color
Code Dimensions (mm)
Flush
ABS1
AOS1 Momentary
1NO ABS110N
Black (B), green
(G), and red (R)
buttons are sup-
plied with each
unit as standard.
Specify S, W, or Y
when a blue,
white, or yellow
button is required.
Note: The depth behind the panel of the maintained
type is 1.5mm longer than the momentary
type.
1NC ABS101N
1NO-1NC ABS111N
2NO ABS120N
2NC ABS102N
2NO-2NC ABS122N
Maintained
1NO AOS110N
1NC AOS101N
1NO-1NC AOS111N
2NO AOS120N
2NC AOS102N
2NO-2NC AOS122N
Extended
ABS2
AOS2 Momentary
1NO ABS210N
Specify a button
color code in
place of
in the
Type No.
B: black
G: green
R: red
S: blue
W: white
Y: yellow
Note: The depth behind the panel of the maintained
type is 1.5mm longer than the momentary
type.
1NC ABS201N
1NO-1NC ABS211N
2NO ABS220N
2NC ABS202N
2NO-2NC ABS222N
Maintained
1NO AOS210N
1NC AOS201N
1NO-1NC AOS211N
2NO AOS220N
2NC AOS202N
2NO-2NC AOS222N
Extended with Half Shroud
ABGS2
AOGS2 Momentary
1NO ABGS210N
Note: The depth behind the panel of the maintained
type is 1.5mm longer than the momentary
type.
1NC ABGS201N
1NO-1NC ABGS211N
2NO ABGS220N
2NC ABGS202N
2NO-2NC ABGS222N
Maintained
1NO AOGS210N
1NC AOGS201N
1NO-1NC AOGS211N
2NO AOGS220N
2NC AOGS202N
2NO-2NC AOGS222N
Extended with Full Shroud
ABFS2
AOFS2 Momentary
1NO ABFS210N
Note: The depth behind the panel of the maintained
type is 1.5mm longer than the momentary
type.
1NC ABFS201N
1NO-1NC ABFS211N
2NO ABFS220N
2NC ABFS202N
2NO-2NC ABFS222N
Maintained
1NO AOFS210N
1NC AOFS201N
1NO-1NC AOFS211N
2NO AOFS220N
2NC AOFS202N
2NO-2NC AOFS222N
M3.5 Terminal
Screw
41.5 (1 or
2 blocks)
61.5 (3 or 4 blocks)
30
ø34
37
Panel Thickness 0.8 to 6
ø20
ø30
9
10.3
61.5 (3 or 4 blocks)
30
ø34
37
Panel Thickness 0.8 to 6
ø30
9
16.3
ø19.5
41.5 (1 or
2 blocks)
M3.5 Terminal
Screw
ø19.5
ø22
(Maintained type 0.8 to 6)
40 (1 or
2 blocks)
60 (3 or 4 blocks)
ø30
30
ø34
37
Panel Thickness 0.8 to 4
M3.5 Terminal
Screw
42 (1 or
2 blocks)
62 (3 or 4 blocks)
30
ø34
37
Panel Thickness 0.8 to 6
ø30
9
17
ø24
M3.5 Terminal
Screw
TWS.book Page 9 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Pushbuttons
10
ø25
Specify a button color code in place of
in the Type No.
Round bezel (metal): Chrome-plated
Pushbuttons with one or three contact blocks contain a dummy block.
Other contact arrangements are also available. See page 7.
Pushlock Turn Reset:
Button is maintained when pressed and is reset when turned clockwise.
Note: AVS3 cannot be used as emergency stop switches. When emergency stop switches are required, use XW or HW series emergency
stop switches (ISO 13850 and IEC 60947-5-5 compliant).
Push Turn Lock:
Button is locked when turned clockwise in the depressed position and is reset when turned counterclockwise.
Mushroom / Pushlock Turn Reset / Push Turn Lock Types
Shape Operation
Type Contact Type No.
Button Color
Code Dimensions (mm)
Mushroom
ABS3
AOS3 Momentary
1NO ABS310N
Specify a button
color code in
place of
in the
Type No.
B: black
G: green
R: red
S: blue
W: white
Y: yellow
Note: The depth behind the panel of the maintained
type is 1.5mm longer than the momentary
type.
1NC ABS301N
1NO-1NC ABS311N
2NO ABS320N
2NC ABS302N
2NO-2NC ABS322N
Maintained
1NO AOS310N
1NC AOS301N
1NO-1NC AOS311N
2NO AOS320N
2NC AOS302N
2NO-2NC AOS322N
Mushroom with Full Shroud
ABGS3
AOGS3 Momentary
1NO ABGS310N
Note: The depth behind the panel of the maintained
type is 1.5mm longer than the momentary
type.
1NC ABGS301N
1NO-1NC ABGS311N
2NO ABGS320N
2NC ABGS302N
2NO-2NC ABGS322N
Maintained
1NO AOGS310N
1NC AOGS301N
1NO-1NC AOGS311N
2NO AOGS320N
2NC AOGS302N
2NO-2NC AOGS322N
Pushlock Turn Reset
AVS3 1NO AVS310N
R: red
Y: yellow
1NC AVS301N
1NO-1NC AVS311N
2NO AVS320N
2NC AVS302N
2NO-2NC AVS322N
Push Turn Lock
AJS3 1NO AJS310N
B: black
G: green
R: red
Y: yellow
1NC AJS301N
1NO-1NC AJS311N
2NO AJS320N
2NC AJS302N
2NO-2NC AJS322N
30
37
41.5 (1 or
2 blocks)
9
61.5 (3 or 4 blocks)
25
Panel Thickness 0.8 to 6
ø35
M3.5 Terminal
Screw
41.5 (1 or
2 blocks)
61.5 (3 or 4 blocks)
30
37
Panel Thickness 0.8 to 6
18.5
25
ø35
ø42
M3.5 Terminal
Screw
43 (1 or
2 blocks)
63 (3 or 4 blocks
)
30
37
Panel Thickness 0.8 to 6
9
25
ø35
M3.5 Terminal
Screw
P
U
S
H
L
O
C
K
43 (1 or 2
blocks)
63 (3 or 4 blocks)
30
37
Panel Thickness 0.8 to 6
9
25
ø35
M3.5 Terminal
Screw
TWS.book Page 10 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Pushbuttons
11
ø25
Specify a button color code in place of
in the Type No.
Round bezel (metal): Chrome-plated
Square bezel (plastic): Black
Pushbuttons with one or three contact blocks contain a dummy block.
Other contact arrangements are also available. See page 7.
Push-Pull:
Button is maintained in both depressed and reset positions. Up to 2 contact blocks (1 layer) can be mounted on AYS31 push-pull
switches.
Push-Pull / Square Flush / Square Extended Types
Shape Operation
Type Contact Type No.
Button
Color Code Dimensions (mm)
Mushroom Push-Pull
AYS31
Maintained
1NO AYS3110N
B: black
G: green
R: red
Y: yellow
1NC AYS3101N
1NO-1NC AYS3111N
2NO AYS3120N
2NC AYS3102N
Square Flush
UBQS1
UOQS1 Momentary
1NO UBQS110N
B: black
G: green
R: red
S: blue
Y: yellow
Note: The depth behind the panel of the maintained
type is 1.5mm longer than the momentary type.
1NC UBQS101N
1NO-1NC UBQS111N
2NO UBQS120N
2NC UBQS102N
2NO-2NC UBQS122N
Maintained
1NO UOQS110N
1NC UOQS101N
1NO-1NC UOQS111N
2NO UOQS120N
2NC UOQS102N
2NO-2NC UOQS122N
Square Extended
UBQS2
Momentary
1NO UBQS210N
1NC UBQS201N
1NO-1NC UBQS211N
2NO UBQS220N
2NC UBQS202N
2NO-2NC UBQS222N
37
30
9
25
43 (1 or
2 blocks)
30.5
ø35
Panel Thickness 0.8 to 6
M3.5 Terminal
Screw
(Maintained type: 0.8 to 5)
44.5 (1 or
2 blocks)
64.5 (3 or 4 blocks)
30
37
14
14.3
24.8
30
Panel Thickness 0.8 to 4
53
39.5
M3.5 Terminal
Screw
(Maintained type: 0.8 to 5)
44.5 (1 or
2 blocks)
64.5 (3 or 4 blocks)
30
37
14
30
Panel Thickness 0.8 to 4
53
39.5
24.5
19.8
M3.5 Terminal
Screw
Contact Statuses of Push-Pull Switch
Note: Push-pull switch can have a maximum of two contact
blocks.
Panel Mounting of Square Types
1. Tighten the square bezel to the operator and position the
ring correctly.
2. Lightly tighten the screw to secure the pushbutton onto
the panel.
Contact AYS31
Push Pull
1NO
1NC
1NO-1NC
2NO
2NC
Tighten the screw lightly so that
this plate does not bend.
Recommended tightening torque:
0.15 N·m
TWS.book Page 11 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Pushbuttons
12
ø25
Square Twin (Momentary):
Two independent momentary switches are contained in one unit, each operated by ON or OFF button. With the
ø30 adapter removed from the sleeve, the unit can mount in a ø25.5mm mounting hole for the ø25 series.
Square Twin (Maintained):
The contact operates when ON button is pressed and is maintained in the depressed position. The button is
reset by pressing the OFF button. With the ø30 adapter removed from the sleeve, the unit can mount in a ø25.5mm mounting hole for the
ø25 series.
Square Twin Types
Shape Contact Type No. Button Color Dimensions (mm)
Square Twin (Momentary)
UWQN1
ON OFF
ON: Black
OFF: Red
1NO 1NO UWQN11010
1NO 1NC UWQN11001
2NO 2NC UWQN12002
Square Twin (Maintained)
UWQN2 1NO UWQN21000
ON: Black
OFF: Red
1NC UWQN20100
1NO-1NC UWQN21100
2NO UWQN22000
2NC UWQN20200
O N
OFF
M3.5 Terminal Screw
623
Panel Thickness 0.8 to 13
47 (1 or
2 blocks)
70 (3 or 4 blocks)
15.5
53
42
36
O N
OFF
M3.5 Terminal Screw
623
Panel Thickness 0.8 to 13
47 (1 block)
70 (2 blocks) 15.5
53
42
36
TWS.book Page 12 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Pilot Lights
13
ø25
Dome / Square / Rectangular (Marking) Types
Shape Lamp Input Type Type No.
Lens/LED
Color Code
Operating Voltage Code
Dome
APS1 Without Lamp Full Voltage APS199N
A, C, G, R, S, W, Y
Specify an operating
voltage code in place of
in the Type No.
16: 100/110V AC
116: 115 AC
126: 120V AC
26: 200/220V AC
236: 230V AC
246: 240V AC
386: 380V AC
46: 400/440V AC
486: 480V AC
LED
Transformer APS1
DN
A, G, PW, R, S, W, Y
DC-DC Converter
APS116DDN
Incandescent Transformer APS1N
➂➁
A, C, G, R, S, W
Square (Marking)
UPQS1B (Plastic Bezel) Without Lamp Full Voltage UPQS1B99N
A, G, R, S, W, Y
LED Transformer UPQS1B
DN
A, G, PW, R, S, W, Y
Incandescent Transformer UPQS1B
N
A, G, R, S, W
Square (Marking)
UPQMS1B (Metal Bezel) Without Lamp Full Voltage UPQMS1B99N
A, G, R, S, W, Y
LED Transformer UPQMS1B
DN
A, G, PW, R, S, W, Y
Incandescent Transformer UPQMS1B
N
A, G, R, S, W
Rectangular (Marking)
Without Lamp Full Voltage UPQS4B99N
A, G, R, S, W
Incandescent Transformer UPQS4B
N
Push-to-Check
APS1
PN Without Lamp Full Voltage APS199PN
A, C, G, R, S, W
Incandescent Transformer APS1
PN
UPQS4B (Plastic Bezel)
Color Code
Specify a lens/LED color code in place of
in the Type No.
A: amber, C: clear, G: green, PW: pure white, R: red, S: blue, W: white, Y: yellow
Specify an operating voltage code in place of
in the Type No.
Full voltage types do not contain a lamp. Order LED or incandescent lamps separately. For lamps, see page 35.
LED illuminated transformer and DC-DC converter types contain an LED lamp (LSTD-6
, rated voltage 6V AC/DC).
Incandescent illuminated transformer types contain an incandescent lamp (LS-6, rated voltage 6V AC/DC).
Round bezel (metal): Chrome-plated
Square bezel (plastic): Black
Square bezel (metal): Chrome-plated
DC-DC converter types are not approved by UL, CSA, and TÜV, and not CE compliant (operating voltage 90 to 140V DC).
The lamp of push-to-check pilot light is not connected to the contact terminal. To connect, refer to the circuit diagram example below.
M
L
STOP
START OLS
Push-to-Check
Pilot Light
M
TWS.book Page 13 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Pilot Lights
14
ø25
Dimensions
Dome
APS1
Square (Marking Type)
UPQMS1B (Metal Bezel)
Push-to-Check
APS1
PN
M3.5 Terminal
Screw
ø34
37
Panel Thickness 0.8 to 6
ø19.6
ø30
A: 22.5 9
B: 59 22.5
31.2
M3.5 Terminal
Screw
Marking Plate Size: 21.2×1t mm, 2 plates included
Panel Thickness 0.8 to 6
A: 32.5 8
B: 69 10
31.2
39.5
37
53
24.5
29
A: Full voltage type
B: Transformer type
A: Full voltage type
B: Transformer type
M3.5 Terminal
Screw
Marking Plate Size: 20×2t mm, 1 plate included
Panel Thickness 0.8 to 6
A: 32.5
B: 69
31.2
39.5
37
53
6.5
10.5
24
29
M3.5 Terminal
Screw Panel Thickness 0.8 to 6
A: 32.5 8
B: 69 10
31.2
39.5
37
53
24.5
29
35
Marking Plate Size: 27.2×21.2×1t mm, 2 plates included
A: Full voltage type
B: Transformer type A: Full voltage type
B: Transformer type
M3.5 Terminal
Screws
A: 67 (2 blocks)9
B: 90 (2 blocks)22.5
ø19.6
ø30
37
30
ø34
Panel Thickness 0.8 to 6
All dimensions in mm.
A: Full voltage type
B: Transformer type
Square (Marking Type)
UPQS1B (Plastic Bezel)
Rectangular (Marking Type)
UPQS4B
Terminal Wiring (Bottom View)
Arrows indicate access directions for wiring.
Panel Mounting of Square and Rectangular Types
1. Tighten the square or rectangular bezel to the operator
and position the ring correctly.
2. Lightly tighten the screw to secure the pilot light onto the
panel.
X2
X1
M3.5
X1
X2
M3.5
Full Voltage Type Transformer Type
DC-DC Converter Type
Tighten the screw lightly so that
this plate does not bend.
Recommended tightening torque:
0.15 N·m
TWS.book Page 14 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Illuminated Pushbuttons
15
ø25
Color Code and Operating Voltage Code
Full voltage types do not contain a lamp. Order LED or incandescent lamps separately. For lamps, see page 35.
LED illuminated transformer and DC-DC converter types contain an LED lamp (LSTD-6
, rated voltage 6V AC/DC).
Incandescent illuminated transformer types contain an incandescent lamp (LS-6, rated voltage 6V AC/DC).
Round bezel (metal): Chrome-plated
Other contact arrangements are also available. See page 7.
DC-DC converter types are not approved by UL, CSA, and TÜV, and not CE compliant (operating voltage 90 to 140V DC).
Round Extended Illuminated Pushbuttons
Shape Operation Type Lamp Input Type Contact Type No.
Round Extended
ALS2
AOLS2
Momentary
Without Lamp Full Voltage
1NO-1NC ALS29911N
2NO ALS29920N
2NO-2NC ALS29922N
LED
Transformer
1NO-1NC ALS2
11DN
2NO ALS2
20DN
2NO-2NC ALS2
22DN
DC-DC Converter
1NO-1NC ALS21611DDN
2NO ALS21620DDN
2NO-2NC ALS21622DDN
Incandescent Transformer
1NO-1NC ALS2
11N
2NO ALS2
20N
2NO-2NC ALS2
22N
Maintained
Without Lamp Full Voltage
1NO-1NC AOLS29911N
2NO AOLS29920N
2NO-2NC AOLS29922N
LED
Transformer
1NO-1NC AOLS2
11DN
2NO AOLS2
20DN
2NO-2NC AOLS2
22DN
DC-DC Converter
1NO-1NC AOLS21611DDN
2NO AOLS21620DDN
2NO-2NC AOLS21622DDN
Incandescent Transformer
1NO-1NC AOLS2
11N
2NO AOLS2
20N
2NO-2NC AOLS2
22N
Without Lamp LED Illuminated Type Incandescent Illuminated Type
Operating Voltage Code
Lens Color Code
Lens/LED Color Code
Lens Color Code
Specify a lens color code in place
of
in the Type No.
A: amber
C: clear
G: green
R: red
S: blue
W: white
Y: yellow
Specify a lens/LED color code in
place of
in the Type No.
A: amber
G: green
PW: pure white
R: red
S: blue
W: white
Y: yellow
Specify a lens color code in place
of
in the Type No.
A: amber
C: clear
G: green
R: red
S: blue
W: white
Specify an operating voltage
code in place of
in the Type No.
16: 100/110V AC
116: 115V AC
126: 120V AC
26: 200/220V AC
236: 230V AC
246: 240V AC
386: 380V AC
46: 400/440V AC
486: 480V AC
TWS.book Page 15 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Illuminated Pushbuttons
16
ø25
Color Code and Operating Voltage Code
Full voltage types do not contain a lamp. Order LED or incandescent lamps separately. For lamps, see page 35.
LED illuminated transformer and DC-DC converter types contain an LED lamp (LSTD-6
, rated voltage 6V AC/DC).
Incandescent illuminated transformer types contain an incandescent lamp (LS-6, rated voltage 6V AC/DC).
Round bezel (metal): Chrome-plated
Other contact arrangements are also available. See page 7.
DC-DC converter types are not approved by UL, CSA, and TÜV, and not CE compliant (operating voltage 90 to 140V DC).
Round Extended with Half Shroud Illuminated Pushbuttons
Shape Operation Type Lamp Input Type Contact Type No.
Round Extended
with Half Shroud
ALGS2
AOLGS2
Momentary
Without Lamp Full Voltage
1NO-1NC ALGS29911N
2NO ALGS29920N
2NO-2NC ALGS29922N
LED
Transformer
1NO-1NC ALGS2
11DN
2NO ALGS2
20DN
2NO-2NC ALGS2
22DN
DC-DC Converter
1NO-1NC ALGS21611DDN
2NO ALGS21620DDN
2NO-2NC ALGS21622DDN
Incandescent Transformer
1NO-1NC ALGS2
11N
2NO ALGS2
20N
2NO-2NC ALGS2
22N
Maintained
Without Lamp Full Voltage
1NO-1NC AOLGS29911DN
2NO AOLGS29920DN
2NO-2NC AOLGS29922DN
LED
Transformer
1NO-1NC AOLGS2
11DN
2NO AOLGS2
20DN
2NO-2NC AOLGS2
22DN
DC-DC Converter
1NO-1NC AOLGS21611DDN
2NO AOLGS21620DDN
2NO-2NC AOLGS21622DDN
Incandescent Transformer
1NO-1NC AOLGS2
11N
2NO AOLGS2
20N
2NO-2NC AOLGS2
22N
Without Lamp LED Illuminated Type Incandescent Illuminated Type
Operating Voltage Code
Lens Color Code
Lens/LED Color Code
Lens Color Code
Specify a lens color code in place
of
in the Type No.
A: amber
C: clear
G: green
R: red
S: blue
W: white
Y: yellow
Specify a lens/LED color code in
place of
in the Type No.
A: amber
G: green
PW: pure white
R: red
S: blue
W: white
Y: yellow
Specify a lens color code in place
of
in the Type No.
A: amber
C: clear
G: green
R: red
S: blue
W: white
Specify an operating voltage
code in place of
in the Type No.
16: 100/110V AC
116: 115V AC
126: 120V AC
26: 200/220V AC
236: 230V AC
246: 240V AC
386: 380V AC
46: 400/440V AC
486: 480V AC
TWS_IPB Page 16 Tuesday, June 14, 2005 10:09 AM
TWS
Series
Illuminated Pushbuttons
17
ø25
Color Code and Operating Voltage Code
Full voltage types do not contain a lamp. Order LED or incandescent lamps separately. For lamps, see page 35.
LED illuminated transformer and DC-DC converter types contain an LED lamp (LSTD-6
, rated voltage 6V AC/DC).
Incandescent illuminated transformer types contain an incandescent lamp (LS-6, rated voltage 6V AC/DC).
Round bezel (metal): Chrome-plated
Other contact arrangements are also available. See page 7.
DC-DC converter types are not approved by UL, CSA, and TÜV, and not CE compliant (operating voltage 90 to 140V DC).
Round Extended with Full Shroud Illuminated Pushbuttons
Shape Operation Type Lamp Input Type Contact Type No.
Round Extended
with Full Shroud
ALFS2
AOLFS2
Momentary
Without Lamp Full Voltage
1NO-1NC ALFS29911N
2NO ALFS29920N
2NO-2NC ALFS29922N
LED
Transformer
1NO-1NC ALFS2
11DN
2NO ALFS2
20DN
2NO-2NC ALFS2
22DN
DC-DC Converter
1NO-1NC ALFS21611DDN
2NO ALFS21620DDN
2NO-2NC ALFS21622DDN
Incandescent Transformer
1NO-1NC ALFS2
11N
2NO ALFS2
20N
2NO-2NC ALFS2
22N
Maintained
Without Lamp Full Voltage
1NO-1NC AOLFS29911N
2NO AOLFS29920N
2NO-2NC AOLFS29922N
LED
Transformer
1NO-1NC AOLFS2
11DN
2NO AOLFS2
20DN
2NO-2NC AOLFS2
22DN
DC-DC Converter
1NO-1NC AOLFS21611DDN
2NO AOLFS21620DDN
2NO-2NC AOLFS21622DDN
Incandescent Transformer
1NO-1NC AOLFS2
11N
2NO AOLFS2
20N
2NO-2NC AOLFS2
22N
Without Lamp LED Illuminated Type Incandescent Illuminated Type
Operating Voltage Code
Lens Color Code
Lens/LED Color Code
Lens Color Code
Specify a lens color code in place
of
in the Type No.
A: amber
C: clear
G: green
R: red
S: blue
W: white
Y: yellow
Specify a lens/LED color code in
place of
in the Type No.
A: amber
G: green
PW: pure white
R: red
S: blue
W: white
Y: yellow
Specify a lens color code in place
of
in the Type No.
A: amber
C: clear
G: green
R: red
S: blue
W: white
Specify an operating voltage
code in place of
in the Type No.
16: 100/110V AC
116: 115V AC
126: 120V AC
26: 200/220V AC
236: 230V AC
246: 240V AC
386: 380V AC
46: 400/440V AC
486: 480V AC
TWS.book Page 17 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Illuminated Pushbuttons
18
ø25
Color Code and Operating Voltage Code
Full voltage types do not contain a lamp. Order LED or incandescent lamps separately. For lamps, see page 35.
LED illuminated transformer types contain an LED lamp (LSTD-6
, rated voltage 6V AC/DC).
Incandescent illuminated transformer types contain an incandescent lamp (LS-6, rated voltage 6V AC/DC).
Round bezel (metal): Chrome-plated
Other contact arrangements are also available. See page 7.
Pushlock Turn Reset:
Lens is maintained when pressed and is reset when turned clockwise. Red lens only.
Note: AVLS3 pushlock turn reset switches cannot be used as emergency stop switches. When emergency stop switches are required, use
XW or HW series emergency stop switches (ISO 13850 and IEC 60947-5-5 compliant).
Mushroom / Mushroom Pushlock Turn Reset Illuminated Pushbuttons
Shape Operation Type Lamp Input Type Contact Type No.
ø35mm Mushroom
ALS3
AOLS3
Momentary
Without Lamp Full Voltage
1NO-1NC ALS39911N
2NO ALS39920N
2NO-2NC ALS39922N
Incandescent Transformer
1NO-1NC ALS3
11N
2NO ALS3
20N
2NO-2NC ALS3
22N
Maintained
Without Lamp Full Voltage
1NO-1NC AOLS39911N
2NO AOLS39920N
2NO-2NC AOLS39922N
Incandescent Transformer
1NO-1NC AOLS3
11N
2NO AOLS3
20N
2NO-2NC AOLS3
22N
Mushroom Pushlock Turn Reset
AVLS3 Without Lamp Full Voltage
1NO-1NC AVLS39911NR
2NO AVLS39920NR
2NO-2NC AVLS39922NR
LED Transformer
1NO-1NC AVLS3
11DNR
2NO AVLS3
20DNR
2NO-2NC AVLS3
22DNR
Incandescent Transformer
1NO-1NC AVLS3
11NR
2NO AVLS3
20NR
2NO-2NC AVLS3
22NR
Without Lamp / LED Illuminated Type Incandescent Illuminated Type
Operating Voltage Code
Lens/LED Color Code
Lens Color Code
Specify a lens/LED color code in place of
in the Type No.
A: amber
G: green
R: red
S: blue
W: white
Specify a lens color code in place of
in the
Type No.
A: amber
G: green
R: red
S: blue
W: white
Specify an operating voltage code in place of
in the Type No.
16: 100/110V AC
116: 115V AC
126: 120V AC
26: 200/220V AC
236: 230V AC
246: 240V AC
386: 380V AC
46: 400/440V AC
486: 480V AC
TWS.book Page 18 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Illuminated Pushbuttons
19
ø25
Color Code and Operating Voltage Code
Full voltage types do not contain a lamp. Order LED or incandescent lamps separately. For lamps, see page 35.
LED illuminated transformer types contain an LED lamp (LSTD-6
, rated voltage 6V AC/DC).
Incandescent illuminated transformer types contain an incandescent lamp (LS-6, rated voltage 6V AC/DC).
Square bezel (plastic): Black
Other contact arrangements are also available. See page 7.
Square Flush Pushbuttons
Shape Operation Type Lamp Input Type Contact Type No.
Square Flush (Marking)
ULQS1B
UOLQS1B
Momentary
Without Lamp Full Voltage
1NO-1NC ULQS1B9911N
2NO ULQS1B9920N
2NO-2NC ULQS1B9922N
LED Transformer
1NO-1NC ULQS1B
11DN
2NO ULQS1B
20DN
2NO-2NC ULQS1B
22DN
Incandescent Transformer
1NO-1NC ULQS1B
11N
2NO ULQS1B
20N
2NO-2NC ULQS1B
22N
Maintained
Without Lamp Full Voltage
1NO-1NC UOLQS1B9911N
2NO UOLQS1B9920N
2NO-2NC UOLQS1B9922N
LED Transformer
1NO-1NC UOLQS1B
11DN
2NO UOLQS1B
20DN
2NO-2NC UOLQS1B
22DN
Incandescent Transformer
1NO-1NC UOLQS1B
11N
2NO UOLQS1B
20N
2NO-2NC UOLQS1B
22N
Without Lamp LED Illuminated Type Incandescent Illuminated Type
Operating Voltage Code
Lens Color Code
Lens/LED Color Code
Lens Color Code
Specify a lens color code in place
of
in the Type No.
A: amber
G: green
R: red
S: blue
W: white
Y: yellow
Specify a lens/LED color code in
place of
in the Type No.
A: amber
G: green
PW: pure white
R: red
S: blue
W: white
Y: yellow
Specify a lens color code in place
of
in the Type No.
A: amber
G: green
R: red
S: blue
W: white
Specify an operating voltage
code in place of
in the Type No.
16: 100/110V AC
116: 115V AC
126: 120V AC
26: 200/220V AC
236: 230V AC
246: 240V AC
386: 380V AC
46: 400/440V AC
486: 480V AC
TWS.book Page 19 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Illuminated Pushbuttons
20
ø25
Dimensions
All dimensions in mm.
87 (4 blocks)
A: 67 (2 blocks)
M3.5 Terminal
Screws
B: 90 (2 blocks), 110 (4 blocks)
ø19.5
ø30
ø34
37
30
19.5
9
Panel Thickness 0.8 to 6
87 (4 blocks)
M3.5 Terminal
Screws
B: 90 (2 blocks), 110 (4 blocks)
A: 67 (2 blocks)
ø34
30
37
ø30
Panel Thickness 0.8 to 6
25
19.5
87 (4 blocks)
M3.5 Terminal
Screws
B: 90 (2 blocks), 110 (4 blocks)
A: 67 (2 blocks)
30
37
Panel Thickness 0.8 to 6
9
25
ø35
87 (4 blocks)
M3.5 Terminal
Screws
B: 90 (2 blocks), 110 (4 blocks)
A: 67 (2 blocks)
30
37
Panel Thickness 0.8 to 6
9
25
ø35
90 (4 blocks)
M3.5 Terminal
Screws
B: 93 (2 blocks), 113 (4 blocks)
A: 70 (2 blocks)
30
37
Panel Thickness 0.8 to 5
Marking Plate Size: 21.2x1t mm, 2 plates included
24.5
30
19
20.5
53
39.5
Round Extended with Half Shroud
ALGS2 / AOLGS2
Round Extended
ALS2 / AOLS2
ø35mm Mushroom
ALS3 / AOLS3
Round Extended with Full Shroud
ALFS2 / AOLFS2
Mushroom Pushlock Turn Reset
AVLS3
Square Flush
ULQS1B / UOLQS1B
A: Full voltage type
B: Transformer type
A: Full voltage type
B: Transformer type
A: Full voltage type
B: Transformer type
A: Full voltage type
B: Transformer type
A: Full voltage type
B: Transformer type A: Full voltage type
B: Transformer type
85.5 (4 blocks)
M3.5 Terminal
Screws
B: 88.5 (2 blocks), 108.5 (4 blocks)
A: 65.5 (2 blocks)
ø19.5
ø22
ø34
30
37
Panel Thickness 0.8 to 6
ø30
21
TWS.book Page 20 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Selector Switches
21
ø25
On the 2-position selector switches marked with
above, the contact operation is reversed as follows.
On the contact arrangement marked with
in the table above, the rated current (load switching current) is reduced to a half of the rated
current of the contact block. The rated insulation voltage and the rated thermal current remain unchanged.
Selector switches with one or three contact blocks contain a dummy block.
Knob operator: White indicator on black knob
Selector Switches (Knob Operator Type)
No. of Positions
Shape
ASS
90° 2-position
Contact
Code
Contact Block Operator Position Maintained Spring Return
from Right
Spring Return
from Left
Mounting
Position Type
LR
10
(1NO)
1
NO
ASS210N ASS2110N ASS2210N
2
Dummy
11
(1NO-1NC)
1
NO
ASS211N ASS2111N ASS2211N
2
NC
20
(2NO)
1
NO
ASS220N ASS2120N ASS2220N
2
NO
22
(2NO-2NC)
1
NO
ASS222N ASS2122N ASS2222N
2
NC
3
NO
4
NC
2R
(1NO-1NC)
1
NO
ASS22RN-118
ASS212RN-118
2
NC
2R
(1NO-1NC)
1
NC
——ASS222RN-169
2
NO
45° 3-position
Contact
Code
Contact Block Operator Position Maintained Spring Return
from Right
Spring Return
from Left
Spring Return
Two- way
Mounting
Position Type
LCR
20
(2NO)
1
NO
ASS320N ASS3120N ASS3220N ASS3320N
2
NO
02
(2NC)
1
NC
ASS302N ASS3102N ASS3202N ASS3302N
2
NC
22
(2NO-2NC)
1
NO
ASS322N ASS3122N ASS3222N ASS3322N
2
NO
3
NC
4
NC
40
(4NO)
1
NO
ASS340N ASS3140N ASS3240N ASS3340N
2
NO
3
NO
4
NO
04
(4NC)
1
NC
ASS304N ASS3104N ASS3204N ASS3304N
2
NC
3
NC
4
NC
3S
1
NO
ASS33SN-243
———
2
NO
3
NC
4
Dummy
30° 5-position / 45° 4-position
Contact
Code
Contact Block Operator Position Maintained Maintained
Contact Block Mounting Position
and Contact Arrangement Chart
Mounting
Position Type
12345
4S
1
NC
ASS44SN-407
2
NC
3
NC
4
NO
4S
1
NO
ASS44SN-411
2
NC
3
NC
4
NO
3S
1
NO
ASS43SN-461
2
NC
3
NC
4
Dummy
4S
1
NO
ASS54SN-501
2
NC
3
NC
4
NO
Contact Arran
g
ement Chart
M3.5 Terminal Screw
43 (2 blocks)
63 (4 blocks)
30
ø34
37
Panel Thickness 0.8 to 6
9
22
22
ø30
L R LR
L R
C
LR
C
LR
C
L R
C
LR
2
13
4
3
1
4
5
2
LCR
1NO
2NO
3NC
4NC
Center RightLeft
Operator
Position
1
2
3
4
• For more contact
arrangement chart,
see pages 26 to 28.
TOP
TWS_SS Page 21 Tuesday, June 14, 2005 10:13 AM
TWS
Series
Selector Switches
22
ø25
On the 2-position selector switches marked with
above, the contact operation is reversed as follows.
On the contact arrangement marked with
in the table above, the rated current (load switching current) is reduced to a half of the rated
current of the contact block. The rated insulation voltage and the rated thermal current remain unchanged.
Selector switches with one or three contact blocks contain a dummy block.
Lever operator: White indicator on black lever
Selector Switches (Lever Operator Type)
No. of Positions
Shape
ASS
L
90° 2-position
Contact
Code
Contact Block Operator Position Maintained Spring Return
from Right
Spring Return
from Left
Mounting
Position Type
LR
10
(1NO)
1
NO
ASS2L10N ASS21L10N ASS22L10N
2
Dummy
11
(1NO-1NC)
1
NO
ASS2L11N ASS21L11N ASS22L11N
2
NC
20
(2NO)
1
NO
ASS2L20N ASS21L20N ASS22L20N
2
NO
22
(2NO-2NC)
1
NO
ASS2L22N ASS21L22N ASS22L22N
2
NC
3
NO
4
NC
2R
(1NO-1NC)
1
NO
ASS2L2RN-118
ASS21L2RN-118
2
NC
2R
(1NO-1NC)
1
NC
——ASS22L2RN-169
2
NO
45° 3-position
Contact
Code
Contact Block Operator Position Maintained Spring Return
from Right
Spring Return
from Left
Spring Return
Two-way
Mounting
Position Type
LCR
20
(2NO)
1
NO
ASS3L20N ASS31L20N ASS32L20N ASS33L20N
2
NO
02
(2NC)
1
NC
ASS3L02N ASS31L02N ASS32L02N ASS33L02N
2
NC
22
(2NO-2NC)
1
NO
ASS3L22N ASS31L22N ASS32L22N ASS33L22N
2
NO
3
NC
4
NC
40
(4NO)
1
NO
ASS3L40N ASS31L40N ASS32L40N ASS33L40N
2
NO
3
NO
4
NO
04
(4NC)
1
NC
ASS3L04N ASS31L04N ASS32L04N ASS33L04N
2
NC
3
NC
4
NC
3S
1
NO
ASS3L3SN-243
———
2
NO
3
NC
4
Dummy
30° 5-position / 45° 4-position
Contact
Code
Contact Block Operator Position Maintained Maintained
Contact Block Mounting Position
and Contact Arrangement Chart
Mounting
Position Type
12345
4S
1
NC
ASS4L4SN-407
2
NC
3
NC
4
NO
4S
1
NO
ASS4L4SN-411
2
NC
3
NC
4
NO
3S
1
NO
ASS4L3SN-461
2
NC
3
NC
4
Dummy
4S
1
NO
—ASS5L4SN-501
2
NC
3
NC
4
NO
Contact Arrangement Chart
M3.5 Terminal Screw
43 (2 blocks)
63 (4 blocks)30
37
Panel Thickness 0.8 to 6
9
22
ø30
24
L R LR
L R
C
LR
C
LR
C
L R
C
LR
2
13
4
3
1
4
5
2
LCR
1NO
2NO
3NC
4NC
Center RightLeft
Operator
Position
1
2
3
4
For more contact
arrangement chart,
see pages 26 to 28.
TOP
TWS_SS Page 22 Tuesday, June 14, 2005 10:13 AM
TWS
Series
Selector Switches
23
ø25
On the spring-returned types, the key can be released only from the maintained position. On the maintained types, the key can be released
from every position. Key retained positions are also available. See page 8.
On the 2-position selector switches marked with
above, the contact operation is reversed as follows.
On the contact arrangement marked with
in the table above, the rated current (load switching current) is reduced to a half of the rated
current of the contact block. The rated insulation voltage and the rated thermal current remain unchanged.
Key selector switches with one or three contact blocks contain a dummy block.
Cylinder cover: Black
Round bezel (Metal): Chrome-plated
Contact Block Mounting Position and Contact Arrangement Chart
Key Selector Switches
No. of Positions
Shape
ASS
K
90° 2-position
Contact
Code
Contact
Block Operator Position Maintained Spring Return
from Right
Spring Return
from Left
Mounting
Position Type
LR
10
(1NO)
1
NO
ASS2K10N ASS21K10N ASS22K10N
2
Dummy
11
(1NO-1NC)
1
NO
ASS2K11N ASS21K11N ASS22K11N
2
NC
20
(2NO)
1
NO
ASS2K20N ASS21K20N ASS22K20N
2
NO
22
(2NO-2NC)
1
NO
ASS2K22N ASS21K22N ASS22K22N
2
NC
3
NO
4
NC
2R
(1NO-1NC)
1
NO
ASS2K2RN-118
ASS21K2RN-118
2
NC
2R
(1NO-1NC)
1
NC
——ASS22K2RN-169
2
NO
45° 3-position
Contact
Code
Contact
Block Operator Position Maintained Spring Return
from Right
Spring Return
from Left
Spring Return
Two-way
Mounting
Position Type
LCR
20
(2NO)
1
NO
ASS3K20N ASS31K20N ASS32K20N ASS33K20N
2
NO
02
(2NC)
1
NC
ASS3K02N ASS31K02N ASS32K02N ASS33K02N
2
NC
22
(2NO-2NC)
1
NO
ASS3K22N ASS31K22N ASS32K22N ASS33K22N
2
NO
3
NC
4
NC
40
(4NO)
1
NO
ASS3K40N ASS31K40N ASS32K40N ASS33K40N
2
NO
3
NO
4
NO
04
(4NC)
1
NC
ASS3K04N ASS31K04N ASS32K04N ASS33K04N
2
NC
3
NC
4
NC
3S
1
NO
ASS3K3SN-243
———
2
NO
3
NC
4
Dummy
Contact Arrangement Chart
M3.5 Terminal Screw
52 (2 blocks)
72 (4 blocks)
30
37
Panel Thickness 0.8 to 6
9
15.3 22
ø30
L R LR
L R
C
LR
C
LR
C
LR
C
LR
1
2
3
4
For more contact arrangement chart, see pages 26 to 28.
LCR
1NO
2NO
3NC
4NC
Center RightLeft
Operator
Position
TOP
TWS_SS Page 23 Tuesday, June 14, 2005 10:13 AM
TWS
Series
Illuminated Selector Switches
24
ø25
90° 2-position
Color Code and Operating Voltage Code
On the selector switches marked with
above, the contact operation is reversed as follows.
Full voltage types do not contain a lamp. Order LED or incandescent lamps separately. For lamps, see page 35.
LED illuminated transformer types contain an LED lamp (LSTD-6
, rated voltage 6V AC/DC).
Incandescent illuminated transformer types contain an incandescent lamp (LS-6, rated voltage 6V AC/DC).
Round bezel (Metal): Chrome-plated
Contact Block Mounting Position and Contact Arrangement Chart
Illuminated Selector Switches
Shape
ASLS
Contact
Code
Contact
Block
Operator
Position Lamp Input Type
Maintained Spring Return
from Right
Spring Return
from Left
Mounting
Position Type
LR
11
(1NO-1NC)
1
NO Without Lamp Full Voltage ASLS29911N
ASLS219911N
ASLS229911N
2
NC LED Transformer ASLS2
11DN
ASLS21
11DN
ASLS22
11DN
Incandescent Transformer ASLS2
11N
ASLS21
11N
ASLS22
11N
20
(2NO)
1
NO Without Lamp Full Voltage ASLS29920N
ASLS219920N
ASLS229920N
2
NO LED Transformer ASLS2
20DN
ASLS21
20DN
ASLS22
20DN
Incandescent Transformer ASLS2
20N
ASLS21
20N
ASLS22
20N
22
(2NO-2NC)
1
NO Without Lamp Full Voltage ASLS29922N
ASLS219922N
ASLS229922N
2
NC
3
NO LED Transformer ASLS2
22DN
ASLS21
22DN
ASLS22
22DN
4
NC
Incandescent Transformer ASLS2
22N
ASLS21
22N
ASLS22
22N
Without Lamp / LED Illuminated Type Incandescent Illuminated Type
Operating Voltage Code
Lens/LED Color Code
Lens Color Code
Specify a lens/LED color code in place of
in the Type No.
A: amber
G: green
R: red
S: blue
W: white
Y: yellow
Specify a lens color code in place of
in the
Type No.
A: amber
G: green
R: red
S: blue
W: white
Specify an operating voltage code in place of
in the Type No.
16: 100/110V AC
156: 115V AC
136: 120V AC
26: 200/220V AC
236: 230V AC
256: 240V AC
386: 380V AC
46: 400/440V AC
486: 480V AC
Contact Arrangement Chart
87 (4 blocks)
M3.5 Terminal
Screws
B: 90 (2 blocks), 110 (4 blocks)
A: 67 (2 blocks)
ø34
30
37
ø30
Panel Thickness 0.8 to 6
9
22
ø20.5
A: Full voltage type
B: Transformer type
L R
L R
L R
LR
1NO
2NC
3NO
4NC
RightLeft
Operator
Position
1
2
3
For more contact arrangement chart, see pages 26 to 28.
TOP
4
TWS.book Page 24 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Illuminated Selector Switches
25
ø25
45° 3-position
Color Code and Operating Voltage Code
Full voltage types do not contain a lamp. Order LED or incandescent lamps separately. For lamps, see page 35.
LED illuminated transformer types contain an LED lamp (LSTD-6
, rated voltage 6V AC/DC).
Incandescent illuminated transformer types contain an incandescent lamp (LS-6, rated voltage 6V AC/DC).
Round bezel (Metal): Chrome-plated
Contact Block Mounting Position and Contact Arrangement Chart
Illuminated Selector Switches
Contact
Code
Contact
Block
Operator
Position Lamp
Input Type
Maintained Spring Return
from Right
Spring Return
from left
Spring Return
Two-way
Mounting
Position Type
LCR
20
(2NO)
1
NO Without Lamp
Full Voltage ASLS39920N
ASLS319920N
ASLS329920N
ASLS339920N
2
NO LED
Transformer ASLS3
20DN
ASLS31
20DN
ASLS32
20DN
ASLS33
20DN
Incandescent
Transformer ASLS3
20N
ASLS31
20N
ASLS32
20N
ASLS33
20N
02
(2NC)
1
NC Without Lamp
Full Voltage ASLS39902N
ASLS319902N
ASLS329902N
ASLS339902N
2
NC LED
Transformer ASLS3
02DN
ASLS31
02DN
ASLS32
02DN
ASLS33
02DN
Incandescent
Transformer ASLS3
02N
ASLS31
02N
ASLS32
02N
ASLS33
02N
22
(2NO-2NC)
1
NO Without Lamp
Full Voltage ASLS39922N
ASLS319922N
ASLS329922N
ASLS339922N
2
NO
3
NC LED
Transformer ASLS3
22DN
ASLS31
22DN
ASLS32
22DN
ASLS33
22DN
4
NC
Incandescent
Transformer ASLS3
22N
ASLS31
22N
ASLS32
22N
ASLS33
22N
40
(4NO)
1
NO Without Lamp
Full Voltage ASLS39940N
ASLS319940N
ASLS329940N
ASLS339940N
2
NO
3
NO LED
Transformer ASLS3
40DN
ASLS31
40DN
ASLS32
40DN
ASLS33
40DN
4
NO
Incandescent
Transformer ASLS3
40N
ASLS31
40N
ASLS32
40N
ASLS33
40N
04
(4NC)
1
NC Without Lamp
Full Voltage ASLS39904N
ASLS319904N
ASLS329904N
ASLS339904N
2
NC
3
NC LED
Transformer ASLS3
04DN
ASLS31
04DN
ASLS32
04DNASLS3304DN
4NC
Incandescent
Transformer ASLS304NASLS3104NASLS3204NASLS3304N
Without Lamp / LED Illuminated Type Incandescent Illuminated Type Operating Voltage Code
Lens/LED Color Code Lens Color Code
Specify a lens/LED color code in place of
in the Type No.
A: amber
G: green
R: red
S: blue
W: white
Y: yellow
Specify a lens color code in place of in the
Type No.
A: amber
G: green
R: red
S: blue
W: white
Specify an operating voltage code in place of
in the Type No.
16: 100/110V AC
156: 115V AC
136: 120V AC
26: 200/220V AC
236: 230V AC
256: 240V AC
386: 380V AC
46: 400/440V AC
486: 480V AC
C
LR
C
LR
C
LR
C
LR
LCR
1NO
2NO
3NC
4NC
Center RightLeft
Operator
Position
1
2
3
4
For more contact arrangement chart, see pages 26 to 28.
TOP
TWS.book Page 25 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Selector Switch Contact Arrangement Charts
26
ø25
90° 2-position (Maintained / Spring Return)
Positions
Maintained Spring
Return
from Right Spring Return from Left
Operator Types Knob, Lever, Key, Illuminated
Contact
Code Circuit
No. Mounting
Position Type
Operator Positions
LRLR
10
(1NO) 1NO
2Dummy
01
(1NC) 1NC
2Dummy
11
(1NO-1NC)
1NO
2NC
103 1NC
2NO
20
(2NO) 1NO
2NO
02
(2NC) 1NC
2NC
22
(2NO-2NC)
1NO
2NC
3NO
4NC
110
1NC
2NO
3NC
4NO
111
1NO
2NO
3NC
4NC
117
1NC
2NO
3NO
4NC
31
(3NO-1NC) 107
1NC
2NO
3NO
4NO
40
(4NO)
1NO
2NO
3NO
4NO
2R
118 1NO
2NC
168 1NO
2NC
119 1NC
2NO
169 1NC
2NO
4R
120
1NO
2NC
3NO
4NC
170
1NO
2NC
3NO
4NC
121
1NC
2NO
3NC
4NO
171
1NC
2NO
3NC
4NO
L R LRL R
On the contact arrangement marked with
in the table, the rated current (load
switching current) is reduced to a half of
the rated current of the contact block.
The rated insulation voltage and the rated
thermal current remain unchanged.
1
2
3
4
Contact Block Mounting Position and
Contact Arrangement Chart
ASS 2 11 N
When circuit number is not required:
Type No. Development
Contact Code (1NO-1NC)
2-position
ASS 2 11 N - 103
When circuit number is required:
Contact Code (1NO-1NC)
2-position
Circuit No.
LR
1NO
2NC
3NO
4NC
RightLeft
Operator
Position
TOP
TWS_SS Page 26 Wednesday, June 8, 2005 8:50 AM
TWS
Series
Selector Switch Contact Arrangement Charts
27
ø25
45° 3-position (Maintained / Spring Return)
Positions
Maintained Spring Return
from Right Spring Return
from Left Spring Return
Two- way
Operator Types Knob, Lever, Key, Illuminated
C
LR
C
LR
C
LR
C
LR
Contact
Code Circuit
No. Mounting
Position Type
Operator Positions
LCR
11
(1NO-1NC)
202 1NO
2NC
203 1NC
2NO
302 1NO
2NC
303 1NC
2NO
20
(2NC)
1NO
2NO
301 1NO
2NO
02
(2NC)
1NC
2NC
304 1NC
2NC
22
(2NO-2NC)
1NO
2NO
3NC
4NC
210
1NC
2NO
3NC
4NO
308
1NO
2NC
3NO
4NC
309
1NO
2NC
3NC
4NO
310
1NC
2NO
3NC
4NO
31
(3NO-1NC)
206
1NO
2NC
3NO
4NO
207
1NC
2NO
3NO
4NO
13
(1NC-3NC)
212
1NO
2NC
3NC
4NC
313
1NC
2NO
3NC
4NC
Contact
Code Circuit
No. Mounting
Position Typ e
Operator Positions
LCR
40
(4NO)
––
1NO
2NO
3NO
4NO
305
1NO
2NO
3NO
4NO
04
(4NC)
––
1NC
2NC
3NC
4NC
314
1NC
2NC
3NC
4NC
LCR
1NO
2NO
3NC
4NC
Center RightLeft
Operator
Position
2
3
4
Contact Block Mounting Position and Contact
Arrangement Chart
ASS 3 22 N
When circuit number is not required:
Type No. Development
Contact Code (2NO-2NC)
3-position
ASS 3 22 N - 210
When circuit number is required:
Contact Code (2NO-2NC)
3-position
Circuit No.
TOP
1
TWS_SS Page 27 Wednesday, June 8, 2005 8:50 AM
TWS
Series
Selector Switch Contact Arrangement Charts
28
ø25
45° 3-position (Maintained) 45° 4-position (Maintained)
Positions
Maintained
Operator Types Knob, Lever,
Illuminated
Contact
Code Circuit
No. Mounting
Position Type
Operator Positions
LCR
3S
243
1
NO
2
NO
3
NC
4
Dummy
4S
233
1
NO
2
NC
3
NO
4
NO
234
1
NO
2
NC
3
NC
4
NC
235
1
NC
2
NO
3
NC
4
NO
237
1
NO
2
NO
3
NC
4
NO
240
1
NC
2
NC
3
NC
4
NO
C
LR
Positions
Maintained
Operator Types Knob, Lever
Contact
Code Circuit
No. Mounting
Position Type
Operator Positions
1234
3S
461
1
NO
2
NC
3
NC
4
Dummy
4S
405
1
NC
2
NC
3
NC
4
NC
407
1
NC
2
NC
3
NC
4
NO
409
1
NO
2
NC
3
NC
4
NC
411
1
NO
2
NC
3
NC
4
NO
2
13
4
30° 5-position (Maintained)
Positions
Maintained
Operator Types Knob, Lever
Contact
Code Circuit
No. Mounting
Position Type
Operator Positions
12345
4S
501
1
NO
2
NC
3
NC
4
NO
3
1
4
5
2
Contact Block Mounting Position and Contact
Arrangement Chart
On the contact arrangement marked with
in the table, the rated
current (load switching current) is reduced to a half of the rated
current of the contact block. The rated insulation voltage and the
rated thermal current remain unchanged.
LCR
1NO
2NC
3NO
4NO
Center RightLeft
Operator
Position
2
4
1
3
TOP
ASS 3 4S N
When circuit number is not required:
Type No. Development
Contact Code
3-position
ASS 3 4S N - 233
When circuit number is required:
Contact Code (2NO-2NC)
3-position
Circuit No.
TWS_SS Page 28 Tuesday, June 14, 2005 10:20 AM
TWS
Series
Accessories and Replacement Parts
29
ø25
ALS AOLFS
AOLS ULOS
ALGS UOLQS
AOLGS AVLS
ALFS ATLS
Terminal Covers
TW-VLC HW-VL3 HW-VL5 APS-PVL
Use of terminal
covers increases
the depth by the
dimensions
below.
Pilot light
APS
UPQS
UPQMS
Full Voltage X +6 mm
Transformer
DC-DC Converter X +3 mm
Pushbutton
ABS
AOS
ABGS
AOGS
ABFS
AOFS
AKS
AVS
AJS
AZS
ATS
UTS
AYS
Selector switch
ASS
1 contact block
X
+3.5 mm
2 contact blocks
X
2 pieces
3 contact blocks
X
2 pieces
4 contact blocks
X
2 pieces
Illuminated pushbutton
Illuminated selector
switch
ASLS
Push-to-check pilot light
APS
Full Voltage
X +3 mm
Transformer
DC-DC Converter
X +3 mm
Ordering Terminal Covers
Te r minal covers are ordered separately.
When ordering terminal covers, specify the Type No. and required quantity.
Te r minal Cover
Control Unit 44.6H × 14.1W 37.8H × 26W 39.1H × 15.5W 36H × 29.4W
CB
Terminal Cover
CB
CB
CB CB
CB
CB CB
CB
CB
CB
CB
CB
CB Tr
TWS_Accessory Page 29 Tuesday, June 14, 2005 1:08 PM
TWS
Series
Accessories and Replacement Parts
30
ø25
NSA, NSALO, and NFSO
• Specify a legend code in place of
in the Ordering Type No.
Example of Shape and Engraving Area
The above example is when the letter is 3 mm tall.
Engraving must be made within 1.5 mm from the sides.
Nameplates
Dimensions
(mm) Legend Material Type No. Ordering Type
No.
Package
Quantity Description
NSA
Blank
Aluminium
0.8 mm thick
NSA-0
NSA-0 1
Black
NSA-0PN10 10
With Legend NSA-
NSA-
1
White letters on
black back-
ground
NSA-
PN10 10
NSALO
Blank Aluminium
0.8 mm thick NSALO
NSALO 1
Black
NSALOPN10 10
NFSO
Blank Stainless steel
0.8 mm thick NFSO
NFSO 1
Stainless steel
ground color
NFSOPN10 10
Shape Engraving Area Max. No. of
Lines
No. of Letters
on 1 Line
Height Width
Standard Type (NSA/NFSO)
4311 17
Mushroom Type (NSALO)
8312 17
ø25.5
34
36
ø25.5
34
41
ø25.5
34
36
L
egen
d
s
Code Legend
0(blank)
1ON
2OFF
3START
4STOP
31 OFF-ON
35 HAND-AUTO
53 HAND-OFF-AUTO
31
4
31
8
TWS.book Page 30 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Accessories and Replacement Parts
31
ø25
Accessories
Shape Material Type No. Ordering
Type No.
Package
Quantity Dimensions (mm)
Locking Ring Wrench
Rubber OR-12 OR-12 1
Used to tighten the round bezel when installing
the TWS control unit onto a panel.
Lamp Holder Tool
Rubber OR-55 OR-55 1
Used to install and remove LED/incandescent
lamps.
Contact Block Removal Tool
Metal/
Rubber TW-KC1 TW-KC1 1
Used to remove contact blocks, transformers,
lenses and adapters.
Nut Locking Wrench
Metal TWST-T1 TWST-T1 1
Used to tighten the locking ring on the square
control units.
Locking Ring
(For Square control units)
Pushbutton
Illuminated Pushbutton OG-RT1 OG-RT1PN02 2
Used to attach square pushbuttons and illumi-
nated pushbuttons on to the panel.
Mounting centers are the same as round con-
trol units.
Pilot Light OG-RT2 OG-RT2PN02 2
Used to attach pilot lights on to the panel.
Mounting centers are the same as round con-
trol units.
Anti-rotation Ring
Metal OGL-21 OGL-21PN10 10
Used to prevent the operator from rotating.
Generally used when using no nameplates on
selector switches.
Rubber Mounting Hole Plug
Rubber
(black) OBS-13B OBS-13BPN05 5
Used to plug unused ø25.5mm mounting holes.
ø37
ø45
ø46
90
ø34
ø30
ø29
ø26
ø22
ø30 Series
ø25 Series
59
14
ø11.6
OR-55
39
130
23
ø19
49.5
52
20.5
23.7 77
ø33
M25P1.5 5.5
ø33
8
M25P1.5
ø25.5
ø34
2.8 0.8
ø29
ø35
5
10
TWS.book Page 31 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Accessories and Replacement Parts
32
ø25
Note: Specify a button cover color code in place of
in the Ordering Type No.
Accessories
Shape Material Type No. Ordering
Type No.
Package
Quantity Dimensions (mm)
Barrier
Plastic HW-VL1 HW-VL1PN10 10
Used to prevent
contact between
adjacent lead wires
when units are
mounted closely.
Barriers should be
always used in
close mounting.
Contact Rubber
Boot
For 1 layer of
contact blocks
(2 contact
blocks)
Rubber
(nitryl)
Black
OCS-99 OCS-99 1
Dust cover boot used for pushbuttons and selec-
tor switches.
Temp erature range: -5 to +60ºC
Black
Pushbutton
Clear Boot For flush
pushbuttons
Rubber
(EPDM)
OC-221 OC-221 1
Used to cover and pro-
tect pushbuttons
where units are sub-
ject to water splash.
Not suitable for out-
door use or where the
units are subject to oil
splash.
For extended
pushbuttons OC-222 OC-222 1
Button Cover
Rubber
(nitryl) OCS-11
OCS-11
1
B (black), G (green), R (red), Y (yellow)
Metallic bezels covered with rubber boot to
enhance waterproof and oiltight characteristics.
Button is installed in the cover. Remove the but-
ton from the pushbutton before using the button
cover.
Temp erature range: –5 to +60ºC
Padlock Cover
Polyarylate
(gasket: nitryl
rubber)
OLS-KL1 OLS-KL1 1
Used to protect momentary and maintained
pushbuttons, illuminated pushbuttons, knob
selector switches, and key selector switches.
Metal Protector
Metal OLS-C OLS-C 1
Used to protect flush buttons from inadvertent
operation.
Can be easily attached under the round bezel.
45
20 1.5
2.2
14 45.538
48
21.8 (OC-222)
15.5 (OC-221)
ø32
M25P1.5
ø33
ø23
11
19
Key Hole ø8
Waterproof Rubber
Gasket 0.5t
30
70
ø50
(ID: ø44.4)
93
29.5
30
R66.5
Panel Thickness
0.8 to 3.2
82.5
ø22.2
24 (inside)
ø25.5
16.6
1.6t
R42.5
25
13
Mounting Centers
50 min.
TWS.book Page 32 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Accessories and Replacement Parts
33
ø25
Note: Specify a button color code or lens color code in place of
or
in the Ordering Type No.
Use a clear lens for white or pure white illumination.
Maintenance Parts
Shape Material Type No. Ordering Type No. Package
Quantity Color Code
Bezel Pushbutton
Pilot Light Plastic
OGP-22
OGP-22
PN02
2
B (black), G (green), R (red),
Y (yellow), W (white)
Cannot be used for control
units with half shroud or full
shroud.
Selector Switch OGP-33
OGP-33
PN02
Pushbutton
Pilot Light
Metal
(chrome-
plated)
OG-22 OG-22PN02
Cannot be used for control
units with half shroud or full
shroud.
Selector Switch OG-33 OG-33PN02
Pushbutton with Full
Shroud ABS2FN ABS2FN
1
Mushroom with Full
Shroud ABS3GN ABS3GN
Pushbutton, Illumi-
nated Pushbutton
with Half Shroud
ALS1G ALS1G
Illuminated Pushbut-
ton with Full Shroud ALS1F ALS1F
Button Flush
Plastic
ABS1BN-
ABS1BN-
PN05
5
B (black), G (green), R (red),
S (blue), Y (yellow), W (white)
Light color
Extended ABS2BN-
ABS2BN-
PN05
ø35mm Mushroom ABS3BN-
ABS3BN-
PN02 2
Square Flush UBQS1BN-
UBQS1BN-
PN02
2
B (black), G (green), R (red),
S (blue), Y (yellow)
Light color
Square Extended UBQS2BN-
UBQS2BN-
PN02
Pushlock Turn Reset AVS3BN-
AVS3BN-
PN02
R (red), Y (yellow)
Push-Pull AYS3BN-
AYS3BN-
PN02
B (black), G (green), R (red),
Y (yellow)
Lens (for illuminated
pushbuttons) Dome
Plastic
APS106L-
APS106L-
PN05
5
C (clear), G (green), R (red),
S (blue)
APS106LD-
APS106LD-
PN05
A (amber), W (white), Y (yellow)
For Square Metal
Bezel Unit
UPQS306L-
UPQS306L-
PN05
C (clear), G (green), R (red),
S (blue)
UPQS306LD-
UPQS306LD-
PN05
A (amber), Y (yellow)
Rectangular UPQS406L-
UPQS406L-
PN05
A (amber), C (clear), G (green),
R (red), S (blue)
Lens (for pilot lights
and illuminated
pushbuttons) For Square Type with
Plastic Bezel Plastic
UPQS106L-
UPQS106L-
PN05 5
C (clear), G (green), R (red),
S (blue)
UPQS106LD-
UPQS106LD-
PN05 5
A (amber), Y (yellow)
Lens
Extended
Plastic
ALS06L-
ALS06L-
PN05
5
C (clear), G (green), R (red),
S (blue)
ALS06LD-
ALS06LD-
PN05
A (amber), Y (yellow), W (white)
Mushroom
ALS3L-
ALS3L-
PN02
2
G (green), R (red), S (blue)
ALS3LD-
ALS3LD-
PN02
A (amber), W (white)
Pushlock Turn Reset AVLS3L-R AVLS3L-RPN02
TWS.book Page 33 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Accessories and Replacement Parts
34
ø25
Maintenance Parts
Shape Material Type No. Ordering Type No. Package
Quantity Remarks
Selector Operator Knob
Plastic
ASSHHY-
ASSHHY-
PN02 2
B (black), G (green),
R (red)
Lever ASSHHL-
ASSHHL-
PN02
Color Insert TWS-HC1
TWS-HC1
PN05 5
B (black), G (green),
R (red), S (blue),
Y (yellow), W (white)
Illuminated
Selector Plastic
ASLSLDY-
ASLSLDY-
1
G (green), R (red),
S (blue)
ASLSDDY-
ASLSDDY-
A (amber), W (white),
Y (yellow),
Cap for Key Selector
Plastic AKS2B-
AKS2B-
PN05 5
B (black), R (red)
Clear Button Cover
Plastic ABS1B-C ASB1B-CPN05 5
B (black), G (green),
R (red), W (white)
Y (yellow)
Used on flush pushbut-
tons to indicate a mark
or a symbol engraved on
the marking plate. The
clear button cover holds
the marking plate.
Marking Plate
Plastic TWS-0
TWS-0
PN10 10
Marking Plate For Square Pilot
Lights and Illumi-
nated Pushbuttons
Plastic
UPQS106P-W UPQS106P-WPN02
2
21.2
×
1t mm
For Square Pilot
Lights with Metal
Bezel
UPQS306N-W UPQS306N-WPN02
20
×
2t mm
Rectangular Pilot
Lights UPQS406P-W UPQS406P-WPN02
27.2
×
21.2
×
1t mm
Contact Block 1NO HW-C10HW-C10
1
Housing: Blue
Push rod: Green
1NC HW-C01HW-C01
Housing: Purple red
Push rod: Red
Early Make HW-C10R HW-C10R
Housing: Blue
Push rod: Black
Late Break HW-C01R HW-C01R
Housing: Purple red
Push rod: White
Dummy Block
TW-DB TW-DBPN10 10
Used for non-illumi-
nated units with 1NO or
1NC contact blocks.
Full Voltage Adapter
TW-DA1B TW-DA1BPN02 2
Adapter with M3.5
screws used for illumi-
nated pushbutton or illu-
minated selector switch.
Snaps on to the back of
the contact block.
Spare Key
For Key Selector
Switch Metal TW-SK-0 TW-SK-0PN02 2
Rubber Washer 3.0-mm thick
Rubber
OW-22 OW-22PN10
10
Outside diameter: ø33.8
Inside diameter: ø25.5
1.5-mm thick OW-21 OW-21PN10
TWS.book Page 34 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Accessories and Replacement Parts
35
ø25
LED Lamps (LSTD Type)
Incandescent Lamps (LS Type)
Transformer
Maintenance Parts
Operating Voltage Current Draw Type No. Ordering
Type No.
Illumination
Color Code
Package
Quantity Base
AC DC
6V AC/DC ±10%
17 mA (A, R, W, Y)
8 mA (G, PW, S)
14 mA (A, R, W, Y)
5.5 mA (G, PW, S) LSTD-6
LSTD-6
Specify a color code
in place of
in the
Ordering Type No.
A: amber
G: green
PW: pure white
R: red
S: blue
W: white
Y: yellow
1
BA9S/13
LSTD-6
PN10 10
12V AC/DC ±10%
11 mA 10 mA LSTD-1
LSTD-1
1
LSTD-1
PN10 10
24V AC/DC ±10%
11 mA 10 mA LSTD-2
LSTD-2
1
LSTD-2
PN10 10
Rated Operating Voltage Lamp Ratings Type No. Package Quantity
6V AC/DC
1W (6.3V) LS-6
1
12V AC/DC
1W (18V) LS-8
18V AC/DC
1W (24V) LS-2
24V AC/DC
1W (30V) LS-3
Shape Primary Voltage Secondary Voltage Type No.
Transformer Unit 100/110V AC
5.5V
TW-T16B
120V AC TW-T126B
200/220V AC TW-T26B
240V AC TW-T246B
TWS.book Page 35 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Instructions
36
ø25
z
Safety Precautions
Instructions
Turn off the power to the TWS series control units before
starting installation, removal, wiring, maintenance, and
inspection of the products. Failure to turn power off may
cause electrical shocks or fire hazard.
To avoid a burn on your hand, use the lamp holder tool
when replacing lamps.
For wiring, use wires of a proper size to meet the voltage
and current requirements. Tighten the M3.5 terminal
screws to a tightening torque of 1.0 to 1.3 N·m. Failure to
tighten terminal screws may cause overheat and fire.
Use HW-C type contact blocks for the TWS series. Do not
replace with or add conventional TW series contact blocks.
Using a different type of contact block may lead to malfunc-
tion.
Contact Block
HW-C Type
Rectangular
Holes
Contact Block
TW Type
Installation of Selector Operators
1. The shaft of each selector or illuminated selector switch
has a recess to identify in which direction to install the
operator. Align the operator with the recess and press in
the operator.
2. Press color insert (non-illuminated type) into the opera-
tor. The color insert retains the operator.
Standard Position
[Example]
The non-illuminated operators can be installed in positions
other than the standard position as shown above.
Removing the Operator
2-Position, 90º 3-Position, 45º 4-Position, 45º 5-Position, 30º
Color insert
Press in
Press in
Selector Switch
(non-illuminated)
Illuminated
Selector Switch
Recess
RL R
C
L3
4
2
145
3
2
1
C
LR
LC
R
L
C
R
Standard Position
Recess
Flat
screwdriver
Recess
Flat
screwdriver
1. Removing the Color
Insert
Insert a flat screwdriver
(4.5mm wide at maximum)
into the recess of the color
insert. Turn the screwdriver
to push out the insert from
the operator.
2. Removing the Operator
(Non-illuminated)
Push the operator sideways
as shown in the left photo to
remove the operator.
3. Removing the Operator
(Illuminated)
Insert a flat screwdriver into
the recess of the operator
and turn the screwdriver to
remove the operator.
Removing Contact Blocks, Transformers,
and Full Voltage Adapters
Insert the end of the contact block removal tool into the
snap-fit latch of the contact block (or transformer, full volt-
age adapter) and pull the tool as shown on the right.
TWS.book Page 36 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Instructions
37
ø25
Instructions
Installing Lenses
Lens Structure and Marking Plate
All square lens units are marking types. To engrave on the
marking plate, remove the marking plate from the lens.
Square Pilot Lens
Square Illuminated Pushbutton
Replacement of Lamps
Lamps can be replaced by using the lamp holder tool (OR-
55) from the front of the panel.
How to remove
To remove, slip the lamp holder tool onto the lamp head
lightly. Then push slightly, and turn the lamp holder tool
counterclockwise.
How to install
To install, insert the lamp head into the lamp holder tool.
Place the pins on the lamp base to the grooves in the lamp
socket. Insert the lamp and turn it clockwise.
Collective Mounting
When mounting the units closely in a horizontal row on
34mm centers, use optional barriers to prevent interconnec-
tion between adjoining terminals. The barriers can be
attached simply by pressing them onto the sides of contact
blocks.
Tightening Torque
Tighten the M3.5 terminal screws to a torque of 1.0 to 1.3
N·m.
Len
s
Markin
g
Plate (White
)
Markin
g
Plate (Transparent
)
Lens
Marking Plate (White)
Lens Holder
Marking Plate (Transparent)
OR-55
Barrier
34mm 34mm
TWS.book Page 37 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Instructions
38
ø25
Instructions
Panel Thickness and Rubber Washer
Adjust the thickness of the rubber washers according to the
panel thickness. Also, make sure to include the nameplate
thickness when using a nameplate.
Rubber Washer
Applicable Models
Momentary Type Pushbutton (Excluding Extended with Half
Shroud, Extended with Full Shroud, and Square Type)
Round Pilot Light (APS1)
Applicable Models
Momentary Type Pushbutton with Half Shroud (ABGS2)
Applicable Models
Maintained Type Extended Pushbutton with Half Shroud (AOGS2)
Momentary Type Illuminated Pushbutton with Half Shroud
(ALGS2)
Maintained Type Illuminated Pushbutton with Half Shroud
(AOLGS2)
Applicable Models
Momentary Type Extended Pushbutton with Full Shroud (ABFS2)
Applicable Models
Maintained Type Extended Pushbutton with Full Shroud (AOFS2)
Applicable Models
Other Models (Excluding Square Types)
Panel Thickness (mm) Rubber Washer
1.5 mm 3.0 mm
Supplied 2 pieces 1 piece
0.8 to 2.5 2 pieces 1 piece
2.5 to 4.0 1 piece 1 piece
4.0 to 5.5 –– 1 piece
5.5 to 6.0 1 piece ––
Panel Thickness (mm) Rubber Washer
1.5 mm 3.0 mm
Supplied 1 piece 1 piece
0.8 1 piece 1 piece
0.8 to 2.3 –– 1 piece
2.3 to 3.8 1 piece ––
Panel Thickness (mm) Rubber Washer
1.5 mm 3.0 mm
Supplied 2 pieces 1 piece
0.8 2 pieces 1 piece
0.8 to 2.3 1 piece 1 piece
2.3 to 3.8 –– 1 piece
3.8 to 5.3 1 piece ––
Panel Thickness (mm) Rubber Washer
1.5 mm 3.0 mm
Supplied 3 pieces 1 piece
0.8 to 1.5 3 pieces 1 piece
1.5 to 3 2 pieces 1 piece
3.0 to 4.5 1 piece 1 piece
4.5 to 6 –– 1 piece
Panel Thickness (mm) Rubber Washer
1.5 mm 3.0 mm
Supplied 4 pieces 1 piece
0.8 to 1.5 4 pieces 1 piece
1.5 to 3.0 3 pieces 1 piece
3.0 to 4.5 2 pieces 1 piece
4.5 to 6.0 1 piece 1 piece
Panel Thickness (mm) Rubber Washer
1.5 mm 3.0 mm
Supplied 3 pieces 1 piece
0.8 to 2.5 3 pieces 1 piece
2.5 to 4.0 2 pieces 1 piece
4.0 to 5.5 1 piece 1 piece
5.5 to 6.0 –– 1 piece
TWS.book Page 38 Tuesday, June 7, 2005 3:51 PM
TWS
Series
Instructions
39
ø25
Installation of LED Illuminated Units
1. Note the polarity for wiring when connecting to DC-DC
converter unit.
2. Transformer type units are recommended for use in areas
subjected to noise.
3. Notes for Pure White LED Lamps
Do not use the pure white LED outdoors, otherwise it will
lead to the degradation of brightness and color. Do not
remove or apply shock to the cap on the pure white LED
lamp, otherwise it may break or damage the cap.
For the pure white LED, use a white lens. The illumination
color will be dull if a different color is used.
Terminal No. Polarity
X1 Positive
X2 Negative
Notes on LED Illuminated Units
LED lamps consist of semiconductors. If the applied voltage
exceeds the rated voltage, LED elements may deteriorate
due to overheat, resulting in significant decrease in lumi-
nance, hue change, or failure of lighting. Also, if an extrane-
ous noise, transient voltage, or transient current is applied to
the circuit, similar effects may occur. When using LED
lamps, observe the following instructions.
Rated Voltage
The LED lamps are rated at 6V, 12V, or 24V AC/DC, and can
be used within ±10% the rated voltage of either AC or DC.
DC Power
1. Switching power supply
Regulated voltage from switching power supply is best
suited. Make sure to use within the rated voltage of the
LED lamp.
2. Rechargeable battery
Note that the battery voltage may exceed the rated volt-
age of the LED lamp while the battery is being charged
and immediately after the charging is complete. Be sure
to use the LED lamp on a voltage of ±10% the rated volt-
age.
3. Full-wave rectification
Since the LED lamp is AC/DC compatible, a diode bridge
for rectification is not necessary. If the LED lamp is used
on a full-wave rectification current through a diode bridge,
the rectifier diodes will reduce the voltage, resulting in
lower luminance.
4. Single-phase half-wave rectification
This is not suitable for the power source of LED lamps.
Use constant-voltage DC power.
Noise
LED elements deteriorate due to extraneous noise, resulting
in significant decrease in luminance, hue change, or failure
of lighting. When such effects are anticipated, take a protec-
tion measure shown below, such as RC elements or a surge
absorber.
[Protection Example 1] For AC circuit
[Protection Example 2] For DC circuit
Countermeasures against Dim Lighting
1. Leakage currents through the transistors or a contact
protection circuit may cause the LED lamp to illuminate
dimly even when the output is off.
2. When the LED lamp is illuminated by a transistor output,
take the following measure.
[Circuit Example]
Connect shunt resistor R in parallel with the LED lamp.
LED with
transformer LED R
C
LED
Ry
Relay
coil or
solenoid R
C
LED with
transformer
(Reference values) R:120
C: 0.1 µF
Ry LED Diode
Relay
coil or
solenoid
+
(Reference values of the diode)
Forward current: More than the Ry coil current
Reverse withstand voltage: Ry coil current × 10
R
Io
Io: Leakage current when the output is off
R: Shunt resistor
LED
TWS.book Page 39 Tuesday, June 7, 2005 3:51 PM
IDEC CORPORATION (USA)
1175 Elko Drive, Sunnyvale, CA 94089-2209, USA
Tel: +1-408-747-0550, Toll Free: (800) 262-IDEC, Fax: +1-408-744-9055
E-mail: opencontact@idec.com, www.idec.com
IDEC CANADA LIMITED
Unit 22-151, Brunel Road Mississauga, Ontario, L4Z 1X3, Canada
Tel: +1-905-890-8561, Toll Free: (888) 317-4332, Fax: +1-905-890-8562
IDEC ELECTRONICS LIMITED
Unit 2, Beechwood, Chineham Business Park, Basingstoke, Hampshire
RG24 8WA, UK
Tel: +44-1256-321000, Fax: +44-1256-327755
E-mail: idec@uk.idec.com
IDEC ELEKTROTECHNIK GmbH
Wendenstrasse 331, D-20537 Hamburg, Germany
Tel: +49-40-25 30 54 10, Fax: +49-40-25 30 54 24
E-mail: service@idec.de, www.idec.de
IDEC AUSTRALIA PTY. LTD.
2/3 Macro Court, Rowville, Victoria 3178, Australia
Toll Free: 1-800-68-4332, Fax: +61-3-9763-3255
E-mail: sales@au.idec.com
7-31, Nishi-Miyahara 1-Chome, Yodogawa-ku, Osaka 532-8550, Japan
Tel: +81-6-6398-2571, Fax: +81-6-6392-9731
www.idec.com
Specifications and other descriptions in this catalog are subject to change without notice.
Cat. No. EP1089-0 JUNE 2005 13DNP PRINTED IN JAPAN
IDEC IZUMI ASIA PTE. LTD.
No. 31, Tannery Lane #05-01, Dragon Land Building, Singapore 347788
Tel: +65-6746-1155, Fax: +65-6844-5995
E-mail: generalinfo@idecasia.com.sg
IDEC IZUMI (H.K.) CO., LTD.
Unit 1505-07, DCH Commercial Centre No. 25, Westlands Road,
Quarry Bay, Hong Kong
Tel: +852-2803-8989, Fax: +852-2565-0171
E-mail: idec@idechk.com
IDEC IZUMI (Shanghai) Co., Ltd.
Room E, 15F, Majesty Building, No. 138 Pudong Avenue,
Shanghai 200120, P.R.C.
Tel: +86-21-5887-9181, Fax: +86-21-5887-8930
E-mail: idec@cn.idec.com
IDEC TAIWAN CORPORATION
8F, No. 79, Hsin Tai Wu Road, Sec. 1, Hsi-Chih, Taipei County, Taiwan
Tel: +886-2-2698-3929, Fax: +886-2-2698-3931
E-mail: service@idectwn.com.tw
TWS.book Page 40 Tuesday, June 7, 2005 3:51 PM