Series KB Miniature Pushbuttons
D22
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Illuminated PB
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General Specifications
Electrical Capacity (Resistive Load)
Power Level (silver): 1A @ 125/250V AC or 1A @ 30V DC
Logic Level (gold): 0.4VA maximum @ 28V AC/DC maximum (Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)
Note: Find additional explanation of operating range in Supplement section.
Other Ratings
Contact Resistance: 50 milliohms maximum
Insulation Resistance: 1,000 megohms minimum @ 500V DC
Dielectric Strength: For Silver: 1,000V AC minimum between contacts for 1 minute minimum &
1,500V AC minimum between contacts & case for 1 minute minimum;
For Gold: 750V AC minimum between contacts for 1 minute minimum &
1,500V AC minimum between contacts & case for 1 minute minimum
Mechanical Life: 100,000 operations minimum
Electrical Life: 50,000 operations minimum for silver; 100,000 operations minimum for gold
Nominal Operating Force: Single pole 0.98 ~ 2.45N for maintained & 0.98 ~ 1.96N for momentary;
Double pole 1.47 ~ 3.43N for maintained & 1.47 ~ 2.94N for momentary
Contact Timing: Nonshorting (break-before-make)
Travel: Pretravel .087” (2.2mm); Overtravel .031” (0.8mm); Total Travel .118” (3.0mm)
Materials & Finishes
Housing: Polyamide (UL94V-0)
Movable Contactor: Silver for power circuit; copper with gold plating for logic level circuit
Stationary Contacts: Silver for power circuit; copper with gold plating for logic level circuit
Housing Base: Polyamide (UL94V-0)
Terminal Base: Polyester
Common Terminals: Phosphor bronze with silver flash plating for power circuit;
Phosphor bronze with gold flash plating for logic level circuit
End Terminals: Brass with silver flash plating for power circuit;
Brass with gold flash plating for logic level circuit
Lamp Terminals: Phosphor bronze with nickel flash plating
Environmental Data
Operating Temperature Range: –25°C through +50°C (–13°F through +122°F) for Illuminated
–25°C through +70°C (–13°F through +158°F) for Nonilluminated
Humidity: 90 ~ 95% humidity for 96 hours @ 40°C (104°F)
Vibration: 10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning
in 1 minute; 3 right angled directions for 2 hours
Shock: 50G (490m/s2) acceleration (tested in 6 right angled directions, with 3 shocks in each direction)
Installation
Mounting Torque: 0.78Nm (6.9 lb•in) maximum
Cap Installation Force: 4.51N (1.0 lbf) maximum downward force on cap
Soldering Time & Temperature: Manual Soldering: See Profile A in Supplement section.
Standards & Certifications
Flammability Standards: UL94V-0 housing & housing base
UL: File No. E44145 - Recognized only when ordered with marking on switch.
Add “/U” or “/CUL” before first dash in part number to order UL recognized switch.
Single & double pole models recognized at 1A @ 125/250V AC, 1A @ 30V DC, & 0.4VA @ 28V DC.
CSA: File No. 023535_0_000 - Certified only when ordered with marking on switch.
Add “/C” before first dash in part number to order CSA certified switch.
Single & double pole models recognized at 1A @ 125/250V AC, 1A @ 30V DC, & 0.4VA @ 28V DC.
Series KB
Miniature Pushbuttons
D23
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Illuminated PBSlides Programmable Toggles
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Distinctive Characteristics
Bright illumination with numerous color variations. Spot illumination available.
Square, rectangular, and round shaped caps.
Front panel relamping.
Choice of bright or super bright LEDs in red, amber, green,
white, and blue.
Latchdown feature gives indication of circuit status. Audible
and tactile feedback with smooth and responsive operation.
Snap-action mechanism for long life.
Stainless steel frame on snap-in models has a specially
designed projection, which prevents rotation and correctly
orients switch in panel.
12mm body diameter.
Molded-in terminals lock out flux, dust, and other contaminants.
8mm panel thickness capability. Rear panel bushing or
snap-in mounting.
Optional PCB adaptors in straight and right angle types.
Matching indicators available.
Actual Size
Series KB Miniature Pushbuttons
D24
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AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
D
Illuminated PB
Slides Programmable Rockers
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Housing
KBlack only
Shapes
Bushing Mounting
SSquare
CRound
RRectangular
Snap-in Mounting
KSquare
MRound
NRectangular
Poles
1SPDT
2DPDT
1 C K W01KB
Solid Cap with
Green Lens and Green Filter
Black Housing
Silver Contacts and
Solder Lug Terminals;
Rated 1A @ 125/250V AC
12-volt Incandescent Lamp
Round
with Bushing Mounting
SPDT
ON-(ON) Circuit
Circuits
5ON (ON)
( ) = Momentary
6ON ON
Alternate Action
with Latchdown
Contacts & Terminals
W01
Silver Contacts and
Solder Lug Terminals
1A @ 125/250V AC
G01
Gold Contacts and
Solder Lug Terminals
0.4VA @ 28V AC/DC
5
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
KB15CKW01-12-FF
TYPICAL SWITCH ORDERING EXAMPLE
Barrier Type
No
Code No Barrier
BWith Barrier
IMPORTANT:
Switches are supplied without UL, cULus & CSA marking unless specified.
UL, cULus & CSA recognized only when ordered with marking on the switch.
Specific models, ratings, & ordering instructions are noted on the General
Specifications page.
Series KB
Miniature Pushbuttons
D25
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
D
Illuminated PBSlides Programmable Toggles
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TYPICAL SWITCH ORDERING EXAMPLE
Solid Cap: Lens/Filter Colors
ABlack/None (Nonilluminated Only.
Available in Square and Round Only.)
BB White/White FB Green/White
CB Red/White FF Green/Green
CC Red/Red GB Blue/White
EB Yellow/White GG Blue/Blue
12
Incandescent Lamp Used with Solid Cap
05 5-volt
12 12-volt
No Code Nonilluminated
FF
Incandescent or Neon Used with Insert Cap
05 5-volt
12 12-volt
01 110-volt Neon
No Code Nonilluminated
LED Cap: Lens/Diffuser Colors
AB Square Spot Illuminated
Black Cap/White Window
JB Clear/White
JC Clear/Red
JD Clear/Amber
JF Clear/Green
LED Cap: Lens/Diffuser Colors
JB Clear/White
Super Bright LED Used with Cap for LED
6B White
6F Green
6G Blue
Bright LED Used with Cap for LED
Colors Resistor
No Code No Resistor
05 5-volt
12 12-volt
24 24-volt
5C Red
5D Amber
5F Green
Insert Cap: Lens/Filter Colors
JB Clear/White
JC Clear/Red
JE Clear/Yellow
*JF Clear/Green
*JG Clear/Blue
* JF & JG not suitable with neon.
Lamps Cap Types & Colors
Series KB Miniature Pushbuttons
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Illuminated PB
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MOUNTING TYPES & SHAPES
Plunger Position
( ) = Momentary Connected Terminals Throw & Switch/Lamp Schematics
Pole Model Normal Down Normal Down Notes: Switch is marked with “+” and “–”.
Lamp circuit is isolated and requires
external power source.
SP KB15
*KB16
ON
ON
(ON)
ON 2-3 2-1 SPDT
DP KB25
*KB26
ON
ON
(ON)
ON 2-3 5-6 2-1 5-4 DPDT
Bushing Mounting
S.551” (14.0mm)
Square
Bezel or barrier is an integral part of the switch body. One mounting nut AT057 supplied with each switch.
Snap-in Mounting
R
* When in latchdown position for the alternate circuit, cap position is .055” (1.4mm) above the built-in bezel.
POLES & CIRCUITS
4613
25(COM)
L (+) (-) L
L (+) (-) L
2 (COM)
1
3
C
Bezel or barrier is an integral part of the switch body.
.551” (14.0mm)
Round
.551” x .728” (14.0mm x 18.5mm)
Rectangular
K.551” (14.0mm)
Square NM .551” (14.0mm)
Round
.551” x .728” (14.0mm x 18.5mm)
Rectangular
HOUSING
KHousing available in black only. Bezel or barrier is an integral part of the switch body.
Panel Cutouts
Bushing Mounting Snap-in Mounting
Panel thicknesses, when using optional accessories, are shown with the accessories at the end of this KB section.
Without
Keyway
With
Keyway
Panel Thickness:
.020” ~ .315”
(0.5 ~ 8.0mm)
Panel Thickness:
.039” ~ .138”
(1.0 ~ 3.5mm)
(12.3) Dia
.484
(12.3) Dia
.484
(1.2) R
.047
(6.8)
.268
No barrier With barrier No barrier With barrier
No barrier With barrierNo barrier With barrier
(12.3) Dia
.484
(4.9)
.193
Series KB
Miniature Pushbuttons
D27
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AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
D
Illuminated PBSlides Programmable Toggles
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Touch Tilt
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CONTACT MATERIALS, RATINGS & TERMINALS
Silver Contacts
Gold Contacts
Complete explanation of operating range in Supplement section.
W
G
LAMP COLORS & SPECIFICATIONS
The electrical specifications shown are determined at a basic temperature of 25°C.
LED circuit is isolated and requires external power source. Polarity marks are on the bottom of the switch.
If the source voltage exceeds the rated voltage, a ballast resistor is required.
The resistor value can be calculated by using the formula in the Supplement section.
Ambient Temperature Range for lamps below: –25°C ~ +50°C.
Power Level
1A @ 125V AC & 250V AC
Logic Level
0.4VA maximum @ 28V AC/DC
01 Solder Lug (5.0)
.197
(1.8)
.071
(1.0)
.039
(2.0)
.079
Thk = (0.2)
.008
Com = (0.1)
.005
A partitioned plastic guard is supplied with each switch to provide insulation between terminals.
Installation steps:
1. Identify wire-to-terminal connections. 3. Solder the connections.
2. Thread wires through the guard. 4. Push the guard fully onto the switch body.
(17.0)
.669
(14.0) Dia
.551
(12.4) Dia
.488
Voltage V5V AC 12V AC 110V AC
Current I115mA 60mA 1.5mA
Endurance Hours 7,000 average 10,000
05 12 01 Recommended Resistors
for Neon:
33K ohms for 110V AC;
100K ohms for 220V AC
T-1 Bi-pin
AT611
Incandescent AT615
Neon
Incandescent & Neon Lamps
Resistor Codes
Color Codes:
Maximum Forward Current IFM — — —
Typical Forward Current IF25mA 20mA 10mA
Forward Voltage VF5V 12V 24V
Maximum Reverse Voltage VRM 4V 8V 16V
Current Reduction Rate Above 25°C ∆IF— — —
5C 5D 5F 12 2405
Red Amber Green
AT634
LEDs are colored
in OFF state.
T-11⁄4 Bi-pin
Bright LED with Resistor
(-)
(+
)
(+) (-)
(+
)
(-)
AT634
5-volt
2-element
with 1 Resistor
AT634
12-volt
4-element
with 2 Resistors
AT634
24-volt
4-element
with 2 Resistors
BARRIER TYPE
No Code No Barrier
Built-in bezel
BWith Barrier
Built-in barrier only available for Square and Rectangular
No Code No Lamp
AT055 Crossover Guard
Series KB Miniature Pushbuttons
D28
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AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
D
Illuminated PB
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LAMP COLORS & SPECIFICATIONS
Color White Green Blue
Maximum Forward Current IFM 30mA 30mA 30mA
Typical Forward Current IF20mA 20mA 20mA
Forward Voltage VF3.3V 3.3V 3.3V
Maximum Reverse Voltage VRM 7V 7V 7V
Current Reduction Rate Above 25°C ∆IF0.40mA/°C 0.40mA/°C 0.40mA/°C
Ambient Temperature Range –25° ~ +50°C
6F 6G6B
AT625G Blue
AT631B White
AT632F Green
T-1 Bi-pin
Super Bright Single Element LED
(+) (-)
CAP TYPES & COLOR COMBINATIONS
BB
Solid Cap for Incandescent Lamp & Nonilluminated
Lens/Filter Colors Available:
CB
CC
EB
AT485
Square
JF and JG not suitable
with neon lamp.
FB
FF
GB
GG
Color Codes: A Black B White C Red E Yellow F Green G Blue J Clear
Material: Polycarbonate Finish: Glossy
AT486
Round AT4021
Rectangular
Material: Polycarbonate Finish: Glossy
(11.6) Sq
.457
(6.2)
.244
(4.5)
.177
(11.6) Dia
.457
(6.2)
.244
(4.5)
.177
(11.6) Sq
.457
(6.2)
.244
(4.5)
.177
(11.6) Dia
.457
(6.2)
.244
(4.5)
.177
AT487
Square
AT488
Round AT4022
Rectangular
Insert Cap for Incandescent or Neon Lamp & Nonilluminated
JB
JC
JE
JF
JG
Lens/Filter Colors Available:
(6.3)
.248
(4.5)
.177
(16.1)
.634
(11.6)
.457
(11.6)
.457
(6.3)
.248
(4.5)
.177
(16.1)
.634
Translucent Colored Lens
Translucent Colored Filter
Lamp AT611
Transparent Clear Lens
Translucent Colored Filter
Lamp AT611 Lamp AT615
Color Codes Red Amber Green
Maximum Forward Current IFM 30mA 30mA 30mA
Typical Forward Current IF20mA 20mA 20mA
Forward Voltage VF1.9V 2.0V 2.1V
Maximum Reverse Voltage VRM 5V 5V 5V
Current Reduction Rate Above 25°C ∆IF0.42mA/°C
Ambient Temperature Range –25° ~ +50°C
5C 5D 5F No Code
Red Amber Green No Resistor
(+) (-)
T-11⁄2 Bi-pin
AT635
LEDs are colored
in OFF state.
Bright LED without Resistor
ATTENTION
ELECTROSTATIC
SENSITIVE DEVICES
ANonilluminated Only;
Square & Round Only
Series KB
Miniature Pushbuttons
D29
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
D
Illuminated PBSlides Programmable Toggles
Rockers
Touch Tilt
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Cap for Bright LED without Resistor or LED with Resistor
Lens/Diffuser Colors Available: (AT4133, 4132, 4134 white diffusers; AT4158, 4160, 4159 colored diffusers)
Square
Material: Polycarbonate Finish: Glossy
Round Rectangular
Material: Polycarbonate Finish: Glossy
(11.6) Sq
.457
(6.2)
.244
(4.5)
.177
(11.6) Dia
.457
(6.2)
.244
(4.5)
.177
AT4133
Square AT4132
Round AT4134
Rectangular
Cap for Super Bright LED
JB
Lens/Diffuser Colors Available:
(11.6)
.457
(6.3)
.248
(4.5)
.177
(16.1)
.634
Transparent Clear Lens
Translucent Diffuser
Translucent Clear Lens
Translucent White Diffuser
CAP TYPES & COLOR COMBINATIONS
Color Codes: A Black B White C Red D Amber E Yellow F Green G Blue J Clear
Spot Illuminated Cap for Bright LED without Resistor or with Resistor
Opaque Black Cap with
Translucent White Window
for Spot Illumination
AB
Cap/Window Colors Available:
AT4051
Square
Material: Polycarbonate Finish: Matte
Bright LED
AT635
Bright LED
AT634
(3.0)
.118
(1.8)
.071
(5.0)
.197
(11.6) Sq
.457
(4.6)
.181
(6.2)
.244
JB
JC
JD
JF
AT4133 AT4132 AT4134
AT4158 AT4160 AT4159
Bright LED
AT635
Bright LED
AT634
(11.6)
.457
(6.3)
.248
(4.5)
.177
(16.1)
.634
(11.6) Dia
.457
(6.2)
.244
(4.5)
.177
(11.6) Sq
.457
(6.2)
.244
(4.5)
.177
Super Bright LEDs
AT625
AT631 AT632
Series KB Miniature Pushbuttons
D30
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
D
Illuminated PB
Slides Programmable Rockers
Touch Tilt Toggles
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TYPICAL SWITCH DIMENSIONS
Square • Bushing Mount Single & Double Pole
Rectangular • Bushing Mount Single & Double Pole
Round • Bushing Mount Single & Double Pole
KB15SKW01-05-GG Single pole models do not have terminals 4, 5, & 6.
KB25CKW01-05-GG Single pole models do not have terminals 4, 5, & 6.
KB15RKW01-05-GG Single pole models do not have terminals 4, 5, & 6.
(11.6) Sq
.457
(14.0) Sq
.551
(5.0)
.197
(1.0)
.039
(14.2)
.559
(24.7)
.972
(5.3)
.209
(5.0)
.197
M12 P1
(1.0) x (2.0) Typ
.039 x .079
(0.2) Typ
.008
(1.8) Typ
.071
(3.5)
.138
Latchdown Position
(1.4)
.055
63
52
14
LL
COM
(4.9)
.193
(1.8)
.071 Keyway
(.127)
.005
(5.08)
.200
(9.0)
.354
(1.7) Typ
.067
(11.6) Dia
.457
(14.0) Dia
.551
(5.0)
.197
(1.0)
.039
(14.2)
.559
(24.7)
.972
(5.3)
.209 (5.0)
.197
M12 P1
(1.0) x (2.0) Typ
.039 x .079
(0.2) Typ
.008
(1.8) Typ
.071
(3.5)
.138
Latchdown Position
(1.4)
.055
63
52
14
LL
COM
(4.9)
.193
(1.8)
.071 Keyway
(.127)
.005
(5.08)
.200
(9.0)
.354
(1.7) Typ
.067
(11.6)
.457
(16.1)
.634
(18.5)
.728
(14.0)
.551
(5.0)
.197
(1.0)
.039
(14.2)
.559
(24.7)
.972
(5.3)
.209
(3.5)
.138
(5.0)
.197
M12 P1
(1.0) x (2.0) Typ
.039 x .079
(0.2) Typ
.008
(1.8) Typ
.071
Latchdown Position
(1.4)
.055
63
52
14
LL
COM
(4.9)
.193
(1.8)
.071 Keyway
(.127)
.005
(5.08)
.200
(9.0)
.354
(1.7) Typ
.067
Series KB
Miniature Pushbuttons
D31
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
D
Illuminated PBSlides Programmable Toggles
Rockers
Touch Tilt
www.nkkswitches.com
TYPICAL SWITCH DIMENSIONS
Single & Double Pole Square • Snap-in Mount
Single & Double Pole Rectangular • Snap-in Mount
Single & Double Pole Round • Snap-in Mount
Single pole models do not have terminals 4, 5, & 6. KB16KKW01-05-CB
Single pole models do not have terminals 4, 5, & 6. KB26MKW01-05-CB
Single pole models do not have terminals 4, 5, & 6. KB16NKW01-05-CB
(2.3)
.090
(11.6) Sq
.457
(14.0) Sq
.551
(1.0)
.039
(24.7)
.972
(5.3)
.209
(5.0)
.197
(1.0) x (2.0) Typ
.039 x .079
(0.2) Typ
.008
(1.8) Typ
.071
(3.5)
.138
Latchdown Position
(1.4)
.055
63
52
14
LL
COM
(4.9)
.193
(1.8)
.071 Keyway
(.127)
.005
(5.08)
.200
(9.0)
.354
(1.7) Typ
.067
63
52
14
LL
COM
(4.9)
.193
(1.8)
.071 Keyway
(.127)
.005
(5.08)
.200
(9.0)
.354
(1.7) Typ
.067
(1.0)
.039
(24.7)
.972
(5.3)
.209
(5.0)
.197
(1.0) x (2.0) Typ
.039 x .079
(0.2) Typ
.008
(1.8) Typ
.071
(3.5)
.138
Latchdown Position
(1.4)
.055
(11.6) Dia
.457
(14.0) Dia
.551
(2.3)
.090
(11.6)
.457
(16.1)
.634
(18.5)
.728
(14.0)
.551
(1.0)
.039
(24.7)
.972
(5.3)
.209
(5.0)
.197
(1.0) x (2.0) Typ
.039 x .079
(0.2) Typ
.008
(1.8) Typ
.071
(3.5)
.138
Latchdown Position
(1.4)
.055
63
52
14
LL
COM
(4.9)
.193
(1.8)
.071 Keyway
(.127)
.005
(5.08)
.200
(9.0)
.354
(1.7) Typ
.067
Series KB Miniature Pushbuttons
D32
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
D
Illuminated PB
Slides Programmable Rockers
Touch Tilt Toggles
www.nkkswitches.com
TYPICAL SWITCH DIMENSIONS
Square • Barrier • Bushing Mount Single & Double Pole
Rectangular • Barrier • Bushing Mount Single & Double Pole
Square • Barrier • Snap-in Mount Single & Double Pole
KB15SKW01B-6G-JB Single pole models do not have terminals 4, 5, & 6.
KB15KKW01B-5C-JC Single pole models do not have terminals 4, 5, & 6.
KB15RKW01B-5F-JF Single pole models do not have terminals 4, 5, & 6.
63
52
14
LL
COM
(4.9)
.193
(1.8)
.071 Keyway
(.127)
.005
(5.08)
.200
(9.0)
.354
(1.7) Typ
.067
63
52
14
LL
COM
(4.9)
.193
(1.8)
.071 Keyway
(.127)
.005
(5.08)
.200
(9.0)
.354
(1.7) Typ
.067
63
52
14
LL
COM
(4.9)
.193
(1.8)
.071 Keyway
(.127)
.005
(5.08)
.200
(9.0)
.354
(1.7) Typ
.067
63
52
14
LL
COM
(4.9)
.193
(1.8)
.071 Keyway
(.127)
.005
(5.08)
.200
(9.0)
.354
(1.7) Typ
.067
Rectangular • Barrier • Snap-in Mount Single & Double Pole
KB15NKW01B-5D-JD Single pole models do not have terminals 4, 5, & 6.
(5.0)
.197
(1.0)
.039
(14.2)
.559
(24.7)
.972
(5.3)
.209
(5.0)
.197
M12 P1
(1.0) x (2.0) Typ
.039 x .079
(0.2) Typ
.008
(1.8) Typ
.071
(8.8)
.346
(11.6) Sq
.457
(14.0) Sq
.551
(11.6) Sq
.457
(14.0) Sq
.551
(1.0)
.039
(24.7)
.972
(5.0)
.197
(1.0) x (2.0) Typ
.039 x .079
(0.2) Typ
.008
(1.8) Typ
.071
(5.3)
.209
(8.8)
.346
(11.6)
.457
(16.1)
.634
(18.5)
.728
(14.0)
.551
(5.0)
.197
(1.0)
.039
(14.2)
.559
(24.7)
.972
(5.3)
.209
(5.0)
.197
M12 P1
(1.0) x (2.0) Typ
.039 x .079
(0.2) Typ
.008
(1.8) Typ
.071
(8.8)
.346
(11.6)
.457
(16.1)
.634
(18.5)
.728
(14.0)
.551
(1.0)
.039
(24.7)
.972
(5.0)
.197
(1.0) x (2.0) Typ
.039 x .079
(0.2) Typ
.008
(1.8) Typ
.071
(5.3)
.209
(8.8)
.346
Series KB
Miniature Pushbuttons
D33
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
D
Illuminated PBSlides Programmable Toggles
Rockers
Touch Tilt
www.nkkswitches.com
OPTIONAL ACCESSORIES
PCB Adaptors
Dust Covers
AT701
Single Pole
Straight PC
Terminals
AT702
Double Pole
Straight PC
Terminals
Material: Glass fiber reinforced polyamide Note: Order adaptors separately
+-
6
5
41
2
3
NC
COM
NO
(0.2) Typ
.008
(2.54) Typ
.100
(10.16)
.400
(2.54) Ty
p
.100
(0.2) Typ
.008
Keyway
(12.0) Dia
.472
Switch
Depth
(2.8)
.110
(0.3)
.012
(9.8)
.386
(3.1)
.122
(0.6) Ty
p
.024
+-
6
5
41
2
3
NC
COM
NO
(0.2) Typ
.008
(2.54) Typ
.100
(10.16)
.400
(2.54) Ty
p
.100
(0.2) Typ
.008
Keyway
(12.0) Dia
.472
Switch
Depth
(2.8)
.110
(0.3)
.012
(9.8)
.386
(3.1)
.122
(0.6) Ty
p
.024
3NC
1
2COM
(2.54) Typ
.100 (2.54) Typ
.100
(0.8) Dia Ty
p
.031
(10.16)
.400
NO
3NC
1
2COM
(2.54) Typ
.100 (2.54) Typ
.100
(0.8) Dia Ty
p
.031
(10.16)
.400
NO
6
5
4
Material: Lid: PVC PVC loses pliability below 0°C (32°F). Base: Polyamide
Panel Thickness Range: .020 ~ .268” (0.5 ~ 6.8mm) for Bushing Mounting; .020 ~ .079” (0.5 ~ 2.0mm) for Snap-in Mounting
Dust Covers reduce the depth of switch behind panel by .047” (1.2mm).
AT495
For Square & Round
(not for Barrier type)
AT4025
For Rectangular
(not for Barrier type)
(12.3) Dia
.484
(5.1)
.201
(21.0) Sq
.827
(7.0)
.276
(1.2) R
.047
(1.6)
.063
(25.4)
1.004
(1.2) R
.047
(21.0)
.827
(12.3) Dia
.484
(7.0)
.276
(11.8)
.465
Assembled
Cap Height
(13.0) Sq
.512
(6.5)
.256
Assembled
Cap Height
(13.0) Sq
.512
(6.5)
.256
(11.8)
.465
Series KB Miniature Pushbuttons
D34
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
D
Illuminated PB
Slides Programmable Rockers
Touch Tilt Toggles
www.nkkswitches.com
Indentation
Long Tab
Notch Slot
Round Ta
b
Cap
OPTIONAL ACCESSORIES
Protective Guards
AT494
For Square & Round
(not for Barrier type)
Material: Cover: Polycarbonate Base: Polyamide
AT4024
For Rectangular
(not for Barrier type)
ASSEMBLY INSTRUCTIONS
Panel Thickness
Range:
.020” ~ .268”
(0.5 ~ 6.8mm)
for Bushing Mounting
.020” ~ .091”
(0.5 ~ 2.3mm)
for Snap-in Mounting
Protective Guards reduce
the depth of switch
behind panel by
.047” (1.2mm).
(6.5)
.256
(11.5)
.453
Assembled
Cap Height
(5.1)
.201
(12.3) Dia
.484
(9.0)
.354
(19.0) Sq
.748
(7.0)
.276
(1.2) R
.047
(1.6)
.063 (6.5)
.256
(11.5)
.453
Assembled
Cap Height
(23.5)
.925
(9.0)
.354 (12.3) Dia
.484
(7.0)
.276
(1.2) R
.047
(19.0)
.748
Cap Removal & Installation
For alternate action models
cap must be in UP position
for cap removal. Indentations
on opposite sides of the cap
provide an easy way to lift
the cap out of the holder,
using either the finger nails,
or cap extractor AT109.
LED Polarity & Orientation in Lamp Socket Cap Replacement
Note that the cap has a pair of
round tabs and a pair of long tabs
which should be used for correctly
replacing the cap in its holder.
Using the long tabs as guides, slide
the cap with the long tabs moving
into the slots on opposite sides of
the cap holder. Then, the round
tabs will snap into notches on the
other two sides of the holder.
AT108 Socket Wrench
for Bushing Mounting
AT109 Cap Extractor AT111 Lamping Tool
Super Bright LEDs AT625,
AT631, & AT632 are
electrostatic sensitive.
LED
AT635
LEDs
AT625
AT631
AT632
LED
AT634
Overtightening the
mounting nut
may damage the
switch housing.
Flat
(-) (+)
Flat
(-) (+)
(+) Marking
Positive Lamp Socket
Negative Lamp Socket
To
p
View of
Switch
Flat
(+)
(-)
ATTENTION
ELECTROSTATIC
SENSITIVE DEVICES
Series KB
Miniature Pushbuttons
D35
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
D
Illuminated PBSlides Programmable Toggles
Rockers
Touch Tilt
www.nkkswitches.com
LEGENDS
Shaded areas are printable areas.
Shaded areas are printable areas.
Recommended Print Method: Laser Print
Film Insert: Clear Polyester, 4 mil max. thickness
Suggested Printable Area for KB Lens
Suggested Printable Area for Film Insert
(10.08) Sq
.397
(11.6) Sq
.457
(0.76) Ty
p
.030 (10.08) Dia
.397
(11.6) Dia
.457
(0.76) Ty
p
.030 (14.58)
.574
(16.1)
.634
(0.76) Ty
p
.030
(10.08)
.397
(11.6)
.457
(0.76)T
yp
.030
(12.98)
.511
(14.5)
.571
(0.76)
Typ
.030
(8.48)
.334
(10.0)
.394
(0.76) Ty
p
.030
(8.48) Dia
.334
(10.0) Dia
.394
(0.76) Ty
p
.030
(8.48) Sq
.334
(10.0) Sq
.394
(0.76) Ty
p
.030
START
Recommended Methods: Screen Print or Pad Print on Lens.
Epoxy based ink is recommended.
NKK Switches can provide custom legends for caps. Contact factory for more information.
Cap
Base
Filter or
Diffuser
Film
Insert
Lens
ON
