Series KB

Miniature Pushbuttons

www.nkk.com

D26

D

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

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

4

6

1

3

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

Square

N

Round

.551” x .728” (14.0mm x 18.5mm)

Rectangular

HOUSING

K

Housing 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 barrier

No barrier

With barrier

(12.3) Dia

.484

(4.9)

.193