KB26MKW01B-FB [NKK]
General Specifications;
| 型号： | KB26MKW01B-FB |
| 厂家： | 
NIHON KAIHEIKI INDUSTRY CO. LTD. |
| 描述： | General Specifications |
| 文件： | 总14页 (文件大小：433K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Series KB
Miniature Pushbuttons
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;
D
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:
Stationary Contacts:
Silver for power circuit; copper with gold plating for logic level circuit
Silver for power circuit; copper with gold plating for logic level circuit
Polyamide (UL94V-0)
Housing Base:
Terminal Base:
Polyester
Common Terminals:
Phosphor bronze with silver flash plating for power circuit;
Phosphor bronze with gold flash plating for logic level circuit
Brass with silver flash plating for power circuit;
Brass with gold flash plating for logic level circuit
End Terminals:
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
2
Shock: 50G (490m/s ) acceleration (tested in 6 right angled directions, with 3 shocks in each direction)
Installation
Mounting Torque:
Cap Installation Force: 4.51N (1.0 lbf) maximum downward force on cap
Soldering Time & Temperature: Manual Soldering: See Profile A in Supplement section.
0.78Nm (6.9 lb•in) maximum
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.
D22
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Series KB
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.
D
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
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D23
Series KB
Miniature Pushbuttons
TYPICAL SWITCH
KB 1 5 C K W01
Poles
Shapes
Housing
Barrier Type
1
2
SPDT
Bushing Mounting
K
Black only
No
No Barrier
Code
DPDT
S
Square
D
B
With Barrier
C
R
Round
Rectangular
Contacts & Terminals
Snap-in Mounting
Circuits
Silver Contacts and
K
Square
5
ON (ON)
W01 Solder Lug Terminals
M
N
Round
1A @ 125/250V AC
( ) = Momentary
ON ON
Rectangular
Gold Contacts and
G01 Solder Lug Terminals
0.4VA @ 28V AC/DC
6
Alternate Action
with Latchdown
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.
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
KB15CKW01-12-FF
12-volt Incandescent Lamp
Solid Cap with
Green Lens and Green Filter
Round
with Bushing Mounting
Black Housing
SPDT
ON-(ON) Circuit
Silver Contacts and
Solder Lug Terminals;
Rated 1A @ 125/250V AC
D24
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Miniature Pushbuttons
Series KB
ORDERING EXAMPLE
12
FF
Lamps
Cap Types & Colors
Incandescent Lamp Used with Solid Cap
05 5-volt
12 12-volt
No Code
Nonilluminated
Solid Cap: Lens/Filter Colors
D
Black/None (Nonilluminated Only.
Available in Square and Round Only.)
A
BB
CB
White/White
Red/White
FB
FF
Green/White
Green/Green
Blue/White
CC Red/Red
GB
EB
Yellow/White GG Blue/Blue
Incandescent or Neon Used with Insert Cap
Insert Cap: Lens/Filter Colors
Clear/White
05
12
5-volt
JB
JC
12-volt
Clear/Red
01
110-volt Neon
Nonilluminated
JE
Clear/Yellow
No Code
* JF
*JG
Clear/Green
Clear/Blue
* JF & JG not suitable with neon.
Bright LED Used with Cap for LED
Colors Resistor
Red
LED Cap: Lens/Diffuser Colors
Square Spot Illuminated
Black Cap/White Window
AB
No Code
No Resistor
5-volt
5C
5D
5F
JB
JC
JD
JF
Clear/White
Clear/Red
05
12
24
Amber
Green
12-volt
Clear/Amber
Clear/Green
24-volt
Super Bright LED Used with Cap for LED
LED Cap: Lens/Diffuser Colors
6B
6F
White
Green
Blue
JB
Clear/White
6G
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D25
Series KB
Miniature Pushbuttons
POLES & CIRCUITS
Plunger Position
( ) = Momentary
Connected Terminals
Throw & Switch/Lamp Schematics
Notes: Switch is marked with “+” and “–”.
Lamp circuit is isolated and requires
external power source.
Normal
Down
Normal
Down
Pole
Model
2 (COM)
KB15
*KB16
ON
ON
(ON)
ON
L (+)
(-) L
(-) L
SP
2-3
2-1
SPDT
3
1
2
(COM)
1
5
KB25
*KB26
ON
ON
(ON)
ON
L (+)
DP
2-3 5-6
2-1 5-4
DPDT
3
6
4
* When in latchdown position for the alternate circuit, cap position is .055” (1.4mm) above the built-in bezel.
D
MOUNTING TYPES & SHAPES
Bushing Mounting
.551” (14.0mm)
Square
.551” (14.0mm)
Round
.551” x .728” (14.0mm x 18.5mm)
Rectangular
S
C
R
No barrier
With barrier
No barrier
With barrier
Bezel or barrier is an integral part of the switch body. One mounting nut AT057 supplied with each switch.
Snap-in Mounting
.551” (14.0mm)
Square
.551” (14.0mm)
Round
.551” x .728” (14.0mm x 18.5mm)
Rectangular
K
M
N
No barrier
With barrier
No barrier
With barrier
Bezel or barrier is an integral part of the switch body.
Panel Cutouts
Bushing Mounting
Panel Thickness:
.020” ~ .315”
(0.5 ~ 8.0mm)
Snap-in Mounting
(1.2) R
.047
(4.9)
.193
Panel Thickness:
.039” ~ .138”
(1.0 ~ 3.5mm)
Without
Keyway
With
Keyway
(12.3) Dia
.484
(12.3) Dia
.484
(12.3) Dia
.484
(6.8)
.268
Panel thicknesses, when using optional accessories, are shown with the accessories at the end of this KB section.
HOUSING
K
Housing available in black only. Bezel or barrier is an integral part of the switch body.
D26
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Series KB
CONTACT MATERIALS, RATINGS & TERMINALS
Power Level
W
G
01
Silver Contacts
Gold Contacts
Solder Lug
1A @ 125V AC & 250V AC
(5.0)
.197
(2.0)
.079
(1.8)
.071
Logic Level
0.4VA maximum @ 28V AC/DC
(1.0)
.039
Thk = (0.2) Com = (0.1)
.008
.005
Complete explanation of operating range in Supplement section.
AT055 Crossover Guard
(12.4) Dia
.488
(14.0) Dia
.551
A partitioned plastic guard is supplied with each switch to provide insulation between terminals.
(17.0)
.669
Installation steps:
D
1. Identify wire-to-terminal connections.
2. Thread wires through the guard.
3. Solder the connections.
4. Push the guard fully onto the switch body.
BARRIER TYPE
No Code
B
No Barrier
With Barrier
Built-in bezel
Built-in barrier only available for Square and Rectangular
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.
Incandescent & Neon Lamps
AT615
AT611
05
12
01
Incandescent
Neon
Recommended Resistors
for Neon:
33K ohms for 110V AC;
100K ohms for 220V AC
Voltage
V
5V AC
12V AC
60mA
110V AC
1.5mA
Current
I
115mA
T-1 Bi-pin
Endurance
Hours
7,000 average
10,000
No Code
No Lamp
Bright LED with Resistor
Resistor Codes
Red
Amber
Green
AT634
5C
5D
5F
05
12
24
LEDs are colored
in OFF state.
Color Codes:
Maximum Forward Current
Typical Forward Current
Forward Voltage
IFM
IF
—
25mA
5V
—
20mA
12V
8V
—
10mA
24V
16V
—
VF
Maximum Reverse Voltage
VRM
∆IF
4V
T-11⁄
Bi-pin
4
Current Reduction Rate Above 25°C
—
—
AT634
AT634
AT634
24-volt
4-element
with 2 Resistors
(+)
5-volt
12-volt
(-)
(+)
(+)
(-)
2-element
with 1 Resistor
4-element
with 2 Resistors
(-)
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D27
Series KB
Miniature Pushbuttons
LAMP COLORS & SPECIFICATIONS
Bright LED without Resistor
Red
Amber
Green
No Resistor
AT635
No Code
5C
5D
5F
Color Codes
Red
30mA
20mA
1.9V
5V
Amber
Green
30mA
20mA
2.1V
5V
LEDs are colored
in OFF state.
Maximum Forward Current
Typical Forward Current
Forward Voltage
IFM
IF
30mA
20mA
VF
2.0V
Maximum Reverse Voltage
VRM
∆IF
5V
(+)
(-)
Current Reduction Rate Above 25°C
Ambient Temperature Range
0.42mA/°C
–25° ~ +50°C
T-11⁄
Bi-pin
2
D
Super Bright Single Element LED
ATTENTION
ELECTROSTATIC
AT625G Blue
AT631B White
AT632F Green
6B
White
30mA
20mA
3.3V
7V
6F
Green
30mA
20mA
3.3V
7V
6G
Blue
SENSITIVE DEVICES
Color
IFM
Maximum Forward Current
30mA
20mA
3.3V
7V
IF
Typical Forward Current
Forward Voltage
VF
VRM
∆IF
Maximum Reverse Voltage
Current Reduction Rate Above 25°C
Ambient Temperature Range
(+)
(-)
0.40mA/°C 0.40mA/°C 0.40mA/°C
–25° ~ +50°C
T-1 Bi-pin
CAP TYPES & COLOR COMBINATIONS
Color Codes:
A Black
B White
C Red
E Yellow
F Green
G Blue
J Clear
Solid Cap for Incandescent Lamp & Nonilluminated
Lens/Filter Colors Available:
Nonilluminated Only;
Square & Round Only
A
AT486
Round
AT485
AT4021
Translucent Colored Lens
Translucent Colored Filter
Square
Rectangular
BB
CB
CC
EB
FB
FF
(11.6) Dia
.457
(4.5)
(11.6)
.457
(11.6) Sq
.457
(16.1)
.634
.177
(6.2)
.244
(4.5)
(4.5)
.177
.177
(6.2)
.244
(6.3)
.248
GB
GG
Material: Polycarbonate
Finish: Glossy
Lamp AT611
Insert Cap for Incandescent or Neon Lamp & Nonilluminated
Lens/Filter Colors Available:
AT488
Round
Transparent Clear Lens
AT487
AT4022
Rectangular
JB
JC
JE
JF
Square
(11.6) Dia
.457
(11.6)
.457
(4.5)
(11.6) Sq
.457
(16.1)
.634
JG
.177
Translucent Colored Filter
(4.5)
.177
(6.2)
.244
(4.5)
.177
(6.2)
.244
(6.3)
.248
JF and JG not suitable
with neon lamp.
Lamp AT611 Lamp AT615
Material: Polycarbonate
Finish: Glossy
D28
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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
Cap/Window Colors Available:
Opaque Black Cap with
(3.0)
.118
(11.6) Sq
.457
(1.8)
.071
(5.0)
.197
(4.6)
Translucent White Window
AT4051
Square
.181
AB
for Spot Illumination
(6.2)
.244
D
Bright LED
Bright LED
AT635
Material: Polycarbonate
Finish: Matte
AT634
Cap for Bright LED without Resistor or LED with Resistor
Lens/Diffuser Colors Available: (AT4133, 4132, 4134 white diffusers; AT4158, 4160, 4159 colored diffusers)
JB
AT4133
Square
AT4132
Round
AT4134
Transparent Clear Lens
Translucent Diffuser
Rectangular
AT4158
AT4160
AT4159
JC
JD
JF
(11.6)
.457
(11.6) Sq
.457
(11.6) Dia
.457
(16.1)
.634
(4.5)
.177
(4.5)
.177
(4.5)
.177
(6.2)
.244
(6.2)
.244
(6.3)
.248
Bright LED
AT635
Bright LED
AT634
Material: Polycarbonate
Finish: Glossy
Cap for Super Bright LED
Lens/Diffuser Colors Available:
Translucent Clear Lens
AT4133
Square
AT4132
Round
AT4134
Rectangular
JB
(11.6)
.457
(11.6) Sq
(11.6) Dia
Translucent White Diffuser
(16.1)
.634
.457
(4.5)
.177
.457
(4.5)
.177
(4.5)
.177
(6.2)
.244
(6.2)
.244
(6.3)
.248
Super Bright LEDs
AT625
AT631 AT632
Material: Polycarbonate
Finish: Glossy
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D29
Series KB
Miniature Pushbuttons
TYPICAL SWITCH DIMENSIONS
Square • Bushing Mount
Single & Double Pole
(5.0)
(1.0) x (2.0) Typ
.039 x .079
(1.8)
.071
Keyway
M12 P1
.197
(.127)
.005
(0.2) Typ
.008
6
5
3
2
(4.9)
.193
COM
L
L
4
1
(1.8) Typ
.071
(5.08)
.200
(1.7) Typ
.067
(1.4)
.055
(1.0)
.039
(14.2)
.559
(11.6) Sq
.457
(14.0) Sq
.551
(9.0)
.354
(3.5)
.138
(5.3)
.209
(24.7)
.972
(5.0)
.197
D
Latchdown Position
KB15SKW01-05-GG
Single pole models do not have terminals 4, 5, & 6.
Round • Bushing Mount
Single & Double Pole
(5.0)
.197
(1.0) x (2.0) Typ
.039 x .079
(1.8)
.071
Keyway
M12 P1
(.127)
.005
(0.2) Typ
.008
6
3
2
(4.9)
.193
5
COM
L
L
4
1
(1.8) Typ
.071
(5.08)
.200
(1.7) Typ
.067
(14.2)
.559
(1.0)
.039
(1.4)
.055
(11.6) Dia
.457
(9.0)
.354
(5.3)
.209
(3.5)
.138
(24.7)
.972
(14.0) Dia
.551
(5.0)
.197
Latchdown Position
KB25CKW01-05-GG
Single pole models do not have terminals 4, 5, & 6.
Rectangular • Bushing Mount
Single & Double Pole
(5.0)
.197
(1.0) x (2.0) Typ
.039 x .079
(1.8)
.071
Keyway
M12 P1
(.127)
.005
(0.2) Typ
.008
6
5
3
2
(4.9)
.193
(11.6)
.457
COM
L
(14.0)
.551
L
4
1
(1.8) Typ
.071
(5.08)
.200
(1.7) Typ
.067
(16.1)
.634
(14.2)
.559
(1.4)
.055
(1.0)
.039
(18.5)
.728
(9.0)
.354
(3.5)
.138
(5.3)
.209
(24.7)
.972
(5.0)
.197
Latchdown Position
KB15RKW01-05-GG
D30
Single pole models do not have terminals 4, 5, & 6.
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Miniature Pushbuttons
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TYPICAL SWITCH DIMENSIONS
Single & Double Pole
Square • Snap-in Mount
(1.0) x (2.0) Typ
.039 x .079
(1.8)
.071
Keyway
(.127)
.005
(0.2) Typ
.008
(4.9)
.193
6
5
3
2
COM
L
L
4
1
(1.8) Typ
.071
(2.3)
.090
(5.08)
.200
(1.7) Typ
.067
(11.6) Sq
.457
(1.4)
.055
(1.0)
.039
(14.0) Sq
.551
(9.0)
.354
(3.5)
.138
(24.7)
.972
(5.0)
.197
(5.3)
.209
D
Latchdown Position
Single pole models do not have terminals 4, 5, & 6.
KB16KKW01-05-CB
Single & Double Pole
Round • Snap-in Mount
(1.0) x (2.0) Typ
.039 x .079
(1.8)
.071
Keyway
(.127)
.005
(0.2) Typ
.008
(4.9)
.193
6
5
3
2
COM
L
L
4
1
(1.8) Typ
.071
(2.3)
.090
(5.08)
.200
(1.7) Typ
.067
(1.0)
.039
(11.6) Dia
.457
(14.0) Dia
.551
(1.4)
.055
(3.5)
.138
(9.0)
.354
(24.7)
.972
(5.0)
.197
(5.3)
.209
Latchdown Position
Single pole models do not have terminals 4, 5, & 6.
KB26MKW01-05-CB
Single & Double Pole
Rectangular • Snap-in Mount
(1.0) x (2.0) Typ
.039 x .079
(1.8)
.071
Keyway
(0.2) Typ
.008
(.127)
.005
6
5
3
2
(4.9)
.193
(11.6)
.457
COM
L
(14.0)
.551
L
4
1
(1.8) Typ
.071
(5.08)
.200
(1.4)
.055
(1.0)
.039
(16.1)
.634
(1.7) Typ
.067
(18.5)
.728
(3.5)
.138
(24.7)
.972
(5.0)
.197
(9.0)
.354
(5.3)
.209
Latchdown Position
Single pole models do not have terminals 4, 5, & 6.
KB16NKW01-05-CB
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D31
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Miniature Pushbuttons
TYPICAL SWITCH DIMENSIONS
Square • Barrier • Bushing Mount
Single & Double Pole
(5.0)
(1.0) x (2.0) Typ
.039 x .079
(1.8)
.071
M12 P1
.197
Keyway
(0.2) Typ
.008
(.127)
.005
6
5
3
2
(4.9)
.193
COM
L
L
4
1
(1.8) Typ
.071
(5.08)
.200
(1.7) Typ
.067
(5.3)
.209
(8.8)
.346
(14.2)
.559
(1.0)
.039
(11.6) Sq
.457
(14.0) Sq
.551
(24.7)
.972
(5.0)
.197
(9.0)
.354
D
KB15SKW01B-6G-JB
Single pole models do not have terminals 4, 5, & 6.
Square • Barrier • Snap-in Mount
Single & Double Pole
(1.8)
.071
(1.0) x (2.0) Typ
.039 x .079
Keyway
(.127)
.005
(0.2) Typ
.008
(4.9)
.193
6
5
3
2
COM
L
L
4
1
(1.8) Typ
.071
(5.08)
.200
(1.7) Typ
.067
(5.3)
.209
(8.8)
.346
(1.0)
.039
(11.6) Sq
.457
(14.0) Sq
.551
(9.0)
.354
(5.0)
.197
(24.7)
.972
KB15KKW01B-5C-JC
Single pole models do not have terminals 4, 5, & 6.
Rectangular • Barrier • Bushing Mount
Single & Double Pole
(5.0)
.197
(1.0) x (2.0) Typ
.039 x .079
(1.8)
.071
Keyway
M12 P1
(.127)
.005
(0.2) Typ
.008
6
3
2
(4.9)
.193
(11.6)
.457
5
COM
L
L
(14.0)
.551
4
1
(1.8) Typ
.071
(5.08)
.200
(1.7) Typ
.067
(5.3)
.209
(8.8)
.346
(14.2)
.559
(1.0)
.039
(16.1)
.634
(18.5)
.728
(9.0)
.354
(24.7)
.972
(5.0)
.197
KB15RKW01B-5F-JF
Single pole models do not have terminals 4, 5, & 6.
Rectangular • Barrier • Snap-in Mount
Single & Double Pole
(1.0) x (2.0) Typ
.039 x .079
(1.8)
.071
Keyway
(0.2) Typ
.008
(.127)
.005
6
5
3
(4.9)
.193
(11.6)
.457
2
COM
L
L
(14.0)
.551
4
1
(1.8) Typ
.071
(5.08)
.200
(1.7) Typ
.067
(5.3)
.209
(8.8)
.346
(1.0)
.039
(16.1)
.634
(18.5)
.728
(9.0)
.354
(24.7)
.972
(5.0)
.197
KB15NKW01B-5D-JD
Single pole models do not have terminals 4, 5, & 6.
D32
www.nkkswitches.com
Miniature Pushbuttons
Series KB
OPTIONAL ACCESSORIES
PCB Adaptors
AT701
AT702
Single Pole
Straight PC
Terminals
Double Pole
Straight PC
Terminals
Switch (2.8)
Depth .110
(0.3)
.012
Switch (2.8)
Depth .110
(0.3)
.012
(0.2) Typ
.008
(0.2) Typ
.008
Keyway
Keyway
(2.54) Typ
.100
(2.54) Typ
.100
D
3
2
1
3
2
1
6
5
4
NC
COM
NO
6
5
4
NC
COM
NO
+
+
-
-
(12.0) Dia
.472
(12.0) Dia
.472
(0.6) Typ
(0.6) Typ
(0.2) Typ
.008
(2.54) Typ
.100
(0.2) Typ
.024
.024
.008
(2.54) Typ
.100
(10.16)
.400
(10.16)
.400
(9.8)
.386
(3.1)
.122
(9.8)
.386
(3.1)
.122
(2.54) Typ
.100
(2.54) Typ
.100
(2.54) Typ
.100
(2.54) Typ
.100
3
NC
2COM
NO
6
3
NC
5
2COM
NO
4
1
1
(0.8) Dia Typ
.031
(0.8) Dia Typ
.031
(10.16)
.400
(10.16)
.400
Material: Glass fiber reinforced polyamide Note: Order adaptors separately
Dust Covers
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)
(1.2) R
.047
(7.0)
.276
(1.2) R
.047
Assembled
Cap Height
Assembled
Cap Height
(12.3) Dia
.484
(12.3) Dia
.484
(13.0) Sq
.512
(13.0) Sq
.512
(5.1)
.201
(21.0)
.827
(1.6)
.063
(6.5)
.256
(6.5)
.256
(7.0)
.276
(11.8)
.465
(21.0) Sq
.827
(25.4)
1.004
(11.8)
.465
Material: Lid: PVC PVC loses pliability below 0°C (32°F).
Base: Polyamide
www.nkkswitches.com
D33
Series KB
Miniature Pushbuttons
OPTIONAL ACCESSORIES
Protective Guards
AT494
For Square & Round
(not for Barrier type)
AT4024
For Rectangular
(not for Barrier type)
Panel Thickness
Range:
.020” ~ .268”
(0.5 ~ 6.8mm)
for Bushing Mounting
(7.0)
.276
(1.2) R
.047
(7.0)
.276
(1.2) R
.047
Assembled
Cap Height
Assembled
Cap Height
.020” ~ .091”
(0.5 ~ 2.3mm)
for Snap-in Mounting
(9.0)
.354
D
(9.0)
.354
(12.3) Dia
.484
(12.3) Dia
.484
(5.1)
.201
(19.0)
.748
(6.5)
.256
(11.5)
.453
(1.6)
.063
(19.0) Sq
.748
(6.5)
.256
(11.5)
.453
Protective Guards reduce
the depth of switch
behind panel by
(23.5)
.925
.047” (1.2mm).
Material: Cover: Polycarbonate
Base: Polyamide
ASSEMBLY INSTRUCTIONS
Cap Removal & Installation
LED Polarity & Orientation in Lamp Socket
Cap Replacement
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.
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.
Super Bright LEDs AT625,
AT631, & AT632 are
electrostatic sensitive.
ATTENTION
ELECTROSTATIC
SENSITIVE DEVICES
LEDs
AT625
AT631
AT632
LED
AT635
LED
AT634
Flat
Flat
Flat
(+)
(+)
(+)
(-)
(-)
Cap
(-)
Indentation
Round Tab
Long Tab
Slot
(+) Marking
Notch
Positive Lamp Socket
Top
View of
Switch
Negative Lamp Socket
AT108 Socket Wrench
for Bushing Mounting
AT109 Cap Extractor
AT111 Lamping Tool
Overtightening the
mounting nut
may damage the
switch housing.
D34
www.nkkswitches.com
Miniature Pushbuttons
Series KB
LEGENDS
NKK Switches can provide custom legends for caps. Contact factory for more information.
Suggested Printable Area for KB Lens
Recommended Methods: Screen Print or Pad Print on Lens.
Epoxy based ink is recommended.
(10.08) (11.6)
.397 .457
ST
AR
T
D
(10.08) Sq
.397
(0.76) Typ
.030
(10.08) Dia
.397
(0.76) Typ
.030
(0.76)Typ
.030
(14.58)
.574
(0.76) Typ
.030
(11.6) Sq
.457
(11.6) Dia
.457
(16.1)
.634
Shaded areas are printable areas.
Suggested Printable Area for Film Insert
Recommended Print Method: Laser Print
Film Insert: Clear Polyester, 4 mil max. thickness
Lens
Film
Insert
ON
(8.48) (10.0)
.334 .394
Filter or
Diffuser
(8.48) Sq
.334
(0.76) Typ
.030
(8.48) Dia (0.76) Typ
(0.76) Typ
.030
(12.98)
.511
(0.76) Typ
.030
.334
.030
Cap
Base
(10.0) Sq
.394
(10.0) Dia
.394
(14.5)
.571
Shaded areas are printable areas.
www.nkkswitches.com
D35
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