K
Rotary
K–8
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ck-components.com
RTA Series
1–4 Poles Coded Rotary Switches
Features/Benefits
•
PCB or hand soldering versions
•
Bushing mounting
•
Multiple poles
•
Decimal and hexadecimal codes
•
Screwdriver slot or extended actuator
•
RoHS Compliant
Typical Applications
•
Appliances
•
Electronic alarm systems
•
Medical
•
Building automation
•
HVAC air conditioning
Electrical Data
Silver Gold
SWITCHING MODE: BBM BBM
MAX. SWITCHING POWER 5 VA 0.5 VA
MAX. SWITCHING CURRENT: 150 mA 20 mA
MAX. CARRYING CURRENT: 5 A 1 A
NOMINAL VOLTAGE AT 50 Hz 60 V 25 V
CONTACT RESISTANCE: < 150 mΩ< 150 mΩ
DIELECTRIC STRENGTH AT 50 Hz
BETWEEN CONTACTS AND
GROUND TERMINALS: 500 V r 500 V r
INSULATION RESISTANCE BETWEEN
CONTACTS OR CONTACTS
AND FRAME (500 V =): 10
9
Ω10
9
Ω
NO. OF OPERATIONS: 10,000 10,000
BOUNCE: < 5 ms < 5 ms
Environmental Data
OPERATING TEMPERATURE: –20ºC to + 70ºC –20ºC to + 70ºC
STORAGE TEMPERATURE: –40ºC to + 85ºC –40ºC to + 85ºC
NOTE: Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Mechanical Data
MAX. NO. OF BANKS: 1.
OPERATING TORQUE: 5 Ncm±20%.
END STOP TORQUE: < 60 Ncm.
STOP: With/without or adjustable
MOUNTING: By fixed index 9.5 mm (0.374) of center, for
bushing mount only
Materials
BUSHING/HOUSING: PETP Thermoplastic
STATIONARY CONTACTS & TERMINALS: Nickel Plated Brass
with additional plating of Gold or Silver.
ROTOR: Gold or Silver plated Brass or PCB.
CODING PLATE: PA thermoplastic
ACTUATOR: Polysulfon thermoplastic
HARDWARE: Stop pin: Aluminum. Ball & Spring: Stainless steel.
Washer: PA. Nut: Brass.
Build-A-Switch
To order, simply select desired option from each category and place in the appropriate box. Available options are shown and
described on pages K-9 thru K-12. For additional options not shown in catalog, consult Customer Service Center.
Designation
RTA Indexing
222.5 index (coded only)
330°index (12 positions max.)
436° index (10 positions max.)
Termination
PWith PC Thru-hole
CWith Solder Lugs
HHorizontal with
PC Thru-hole
Switch Function
1W12 SP,30° Index, 12 pos. no stop
1W10 SP, 36° Index, 10 pos. no stop
1S02 SP,30°/36°Index, 2 pos.
1S03 SP, 30° /36° Index, 3 pos.
1S04 SP, 30° /36° Index, 4 pos.
1S05 SP,30°/36° Index, 5 pos.
1S06 SP, 30° /36° Index, 6 pos.
1S07 SP, 30° /36° Index, 7 pos.
1S08 SP,30° /36° Index, 8 pos.
1S09 SP, 30° /36° Index, 9 pos.
1S10 SP, 30° /36° Index, 10 pos.
1S11 SP, 30° Index, 11 pos.
1S12 SP,30° Index, 12 pos.
2S02 DP, 30° /36° Index, 2 pos.
2S03 DP, 30° /36° Index, 3 pos.
2S04 DP, 30° /36° Index, 4 pos.
2S05 DP, 30° /36° Index, 5 pos.
2S06 DP, 30° Index, 6 pos.
3S02 3P, 30° /36° Index, 2 pos.
Contact Material
SSilver plated, matte-tin terminal
PGold plated, matte-tin terminal
Actuator (max.)
25N .984 (25,0) with screwdriver slot
50N 1.97 (50,0) with screwdriver slot
FLS Flush shaft with screwdriver slot
and position indicator
25F .984 (25,0) Shaft with flat
06F .236 (6,0) Shaft with flat
Mounting Style
WWithout bushing
R3/8-32 Threaded Bushing
MM10x.75 Metric Threaded Bushing
A3/8-32 Threaded Bushing
with Offset Bracket
BM10x.75 Metric Threaded
Bushing with Offset Bracket
3S03 3P, 30° /36° Index, 3 pos.
4S02 4P, 30° /36° Index, 2 pos.
EW10 Direct + complement, 36º
Index, no stop
EW12 Direct + complement, 30º
Index, no stop
DW16 Direct, 22.5º Index, no stop
ES—— Direct + complement, 30º/36º
Index, with stop
(specify stop position)
DS—— Direct, 22.5º Index, with stop
(specify stop position)
C3/8-32 Threaded Bushing
with Straight Bracket
DM10x.75 Metric Threaded
Bushing with Straight Bracket
Third Angle
Projection
RTA Series
1-4 Poles Coded Rotary Switches
DESIGNATION
TERMINATION
INDEXING
.866
(22,0)
1.016
(25,8)
.152
(3,9)
.238
(6,1)
.100
(2,5)
1.000
(25,4)
.094
(2,4) .079
(2,0)
.100 TYP.
(2,5)
.600
(15,2)
.047
(1,2)
.866
(22,0)
1.016
(25,8)
.150
(3,8)
1.000
(25,4)
.016
(0,4) .028 TYP.
(0,7)
.600
(15,2)
.100 TYP.
(2,5)
C
WITH SOLDER LUGS
P
WITH PC PINS
RTA
4
36 index, 10 positions max.
Both commons must be connected by user to ground.
3
30 index, 12 positions max.
2
22.5 index, 16 positions max.
H
Horizontal with PC Thru-hole
Note: “H” termination only available with the following options:
1. With A or B mounting styles
2. 36º degree indexing
3. Up to 5 positions max
.302
7,67()
6X .100
2,54()
.600
15,24()
7X .028
0,7()
.618
15,7()
K–9
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ck-components.com
K
Rotary
Third Angle
Projection
RTA Series
1-4 Poles Coded Rotary Switches
SWITCH FUNCTION
BCD ONLY
1 POLE 2 POLES 3 POLES 4 POLES BCD + COMPLEMENTS
1 POLE 2 POLES 3 POLES 4 POLES BCD + COMPLEMENTS
4P MODELS SCHEMATIC
Pos. 1 121 1222 1323 1424
C1 C2 C3 C4
DP MODELS SCHEMATIC
Pos. 1
12131415161122232425262
C1 C2
SP MODELS SCHEMATIC
C0
Pos.
••••••••
8
—IC
•••• ••••
4
—B A
•• •• •• ••
2
—KH
••••••••
1
—CK
••••••••
8
B J J
•••• ••••
4
A,N A I
•• •• •• ••
2
D,K D B
•••••• •
1
F,I H D
••••••••••••••••
C
E,J M,N L,N
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16Pos.
22.5º 30º 36º
Term. Term. Term.
NOTE: Layout view from
component side.
Common terminals that are in locations
A-G are not connected to common termi-
nals that are in locations H-N. For 7-12
position output customer must tie these
commons together.
Indexing Option Code 3, 30 INDEXING ANGLE PCB LAYOUT
Indexing Option Code 4, 36 INDEXING ANGLE PCB LAYOUT
NO.
POLES
MODEL
NO.
1W12
1W10
1S02
1S03
1S05
1S06
1S08
1S09
1S10
1S11
1S12
SWITCH
FUNCTION
12 Positions
No Stop
INDEX
SP
10 Positions
No Stop
3 Positions
5 Positions
6 Positions
9 Positions
10 Positions
11 Positions
12 Positions
30º
36º
30º/36º
30º/36º
30º/36º
30º/36º
30º/36º
30º
30º
NO.
POLES MODEL
NO.
2W05
2W06
2S02
2S03
2S04
2S05
2S06
3S02
3S03
4S02
SWITCH
FUNCTION
5 Positions
No Stop
INDEX
DP
6 Positions
No Stop
2 Positions
3 Positions
4 Positions
5 Positions
6 Positions
3 Positions
2 Positions
30º/36º
30º
30º/36º
30º/36º
30º/36º
30º/36º
30º
30º/36º
30º/36º
3P
4P
EW10
EW12
DW16
ES——
DS——
Direct + complement, No stop
Direct + complement, No stop
Direct, No stop
Direct + complement, with stop (specify stop position)
Direct, with stop (specify stop position)
Indexing Option Code 2, 22.5
INDEXING ANGLE PCB LAYOUT
8 Positions 30º/36º
2 Positions 30º/36º
2 Positions 30º/36º
INDEX
MODEL
NO. SWITCH FUNCTION
36º
30º
22.5º
30º & 36º
22.5º
K
Rotary
K–10
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ck-components.com
Third Angle
Projection
RTA Series
1-4 Poles Coded Rotary Switches
.874
22,2()
.338
8,59()
3/8 - 32 UNEF
.374
(9.5)
.385 DIA
(9.8 Ø) .134
(3.4Ø)
PANEL MOUNTING
.874
22,2()
.071
1,8() .600
15,2()
.618
15,7()
.188
4,8()
.031
0,8()
.338
8,59()
M10
METRIC
.732
(18,6)
PANEL MOUNTING
.134 DIA.
(3,4ø)
.374
(9,5)
.402 DIA.
(10,2ø)
.495
(12,6)
MOUNTING STYLE
M
M10 x .75 MERTIC THREADED BUSHING
W
WITHOUT BUSHING
B
M10 x .75 METRIC THREADED BUSHING WITH BRACKET
D
M10 x .75 METRIC THREADED BUSHING WITH STRAIGHT BRACKET
C
3/8-32 THREADED BUSHING WITH STRAIGHT BRACKET
R
3/8-32 THREADED BUSHING
Note: A mounting style only available with H termination.
Note: B mounting style only available with H termination.
Note: W mounting style not available with H termination.
Note: R mounting style not available with H termination.
Note: M mounting style not available with H termination.
.618
(15,7)
.600
(15,24)
.071
(1,8) .031
(0,8)
.188
(4,77)
.735
(18,67)
PANEL MOUNTING
.385 DIA
(9.8 Ø)
PANEL MOUNTING
.600
15,24()
.071
1,8()
.618
15,7()
.874
22,2()
.031
0,8() .318
8,07()
.600
15,24()
.071
1,8() .031
0,8 ()
.735
18,67()
.318
8,07()
.618
15,7()
.385 DIA
(9.8 Ø)
PANEL MOUNTING
.60
15,2()
.32
8,1()
2X ø
.08
2()
6X .10
2,5()
.30
7,6()
7X ø
.04
0,9()
A
B
C
D
E
F
G
.60
15,2()
.32
8,1()
2X ø
.08
2()
6X .10
2,5()
.30
7,6()
7X ø
.04
0,9()
A
B
C
D
E
F
G
PANEL MOUNTING
.60
15,2()
.19
4,8()
.30
7,6()
6X .10
2,5()
2X ø
.08
2,1
()
7X ø
.04
0,9()
A
B
C
D
E
F
G
.60
15,2()
.19
4,8()
.30
7,6()
6X .10
2,5()
2X ø
.08
2,1()
7X ø
.04
0,9()
A
B
C
D
E
F
G
1.00
25,4()
.60
15,2()
6X .10
2,5
()
14X ø
.04
0,9
()
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1.00
25,4()
.60
15,2()
6X .10
2,5()
14X ø
.04
0,9()
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1.00
25,4()
.60
15,2()
6X .10
2,5()
14X ø
.04
0,9()
A
B
C
D
E
F
G
H
I
J
K
L
M
N
A
3/8-32 THREADED BUSHING WITH BRACKET
K–11
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ck-components.com
K
Rotary
RTA Series
1-4 Poles Coded Rotary Switches
Third Angle
Projection
CONTACT MATERIAL
* Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications.
Stop pins
PART NO.
Y200300200P
AVAILABLE HARDWARE
CONTACT AND
OPTION
CODE TERMINAL MATERIAL RATING
SSWITCH: 150 mA MAXIMUM, 60 V NOMINAL.
LOW LEVEL/DRY CIRCUIT
OR POWER
P
SILVER LOW LEVEL/DRY CIRCUIT
GOLD
POWER: 5 VA MAXIMUM. CARRY-5 AMPS MAXIMUM.
SWITCH: 20 mA MAXIMUM, 25 V NOMINAL.
POWER: 0.5 VA MAXIMUM. CARRY: 1 AMP MAXIMUM.
ACTUATOR
.236
( 6,0 )
.197
5,0()
.157
4,0
()
06F
.236 (6,0) SHAFT WITH FLAT
.157
(4,0)
.984
(25,0)
.945
(24,0)
25F
.984 (25,0) SHAFT WITH FLAT
.091
(2,3)
.220
(5,6Ø)
DIA.
.039
(1,0)
30
FLS
FLUSH SHAFT WITH SCREWDRIVER SLOT AND POSITION INDICATOR
25N
.984 (25,0) WITH SCREWDRIVER SLOT
50N
1.97 (50,0) WITH SCREWDRIVER SLOT
.984
( 25 )
Ø
.236
6()
.039
1()
.177
4,5
()
1.969
( 50 )
Ø
.236
6
()
.039
1()
.177
4,5()
Mounting Nuts Lockwasher
PART NO.
472800202
PART NO.
472706201
Standard
PART NO.
495100201
Metric
Note: only available with “W” Mounting Style Note: only available with “W” Mounting Style
Note: only available with “W” Mounting Style
K
Rotary
K–12
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ck-components.com
NOTE: Additional nuts and lockwashers available separately, see section “Technical Data and Additional Hardware”.