NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com

03-07

Miniature Pushbuttons

Series KB

SHAPES & MOUNTING TYPES

Bushing Mounting

Square

Snap-in Mounting

R

Round

.551” x .728” (14.0mm x 18.5mm)

Rectangular

Square

N

Round

.551” x .728” (14.0mm x 18.5mm)

Rectangular

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.

Socket wrench AT108 may be used for bushing mounting. Overtightening the mounting nut may damage the switch housing.

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

(1.8)

.071

(4.9)

.193

(12.3) Dia

.484

(1.2) R

.047

(6.8)

.268

Plunger Position

( ) = Momentary

Connected Terminals

Throw & Schematics

Pole

Model

Normal

Down

Normal

Down

SP

KB15

ON

ON

(ON)

ON

2-3

2-1

SPDT

DP

KB25

ON

ON

(ON)

ON

2-3 5-6

2-1 5-4

DPDT

* 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

2

5

(COM)

2 (COM)

1

3

Note: Terminal numbers are not actually

on the switch.

Bezel or barrier is an integral part of the switch body. One mounting nut AT057 supplied with each switch.

Bezel or barrier is an integral part of the switch body.

No barrier

With barrier

No barrier

With barrier

No barrier

With barrier

No barrier

With barrier