Miniature Pushbuttons
POLES & CIRCUITS
Plunger Position
( ) = Momentary
Normal
Pole
SP
DP
Model
KB15
*KB16
KB25
*KB26
ON
ON
ON
ON
(ON)
ON
(ON)
ON
2-3
2-3 5-6
2-1
2-1 5-4
Down
Connected Terminals
Normal
Down
Series KB
Throw & Schematics
Note: Terminal numbers are not actually
on the switch.
2 (COM)
SPDT
DPDT
3
3
2
(COM)
1
6
1
5
4
*
When in latchdown position for the alternate circuit, cap position is .055” (1.4mm) above the built-in bezel.
SHAPES & MOUNTING TYPES
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
K
.551” (14.0mm)
Square
M
.551” (14.0mm)
Round
N
.551” x .728” (14.0mm x 18.5mm)
Rectangular
No barrier
With barrier
No barrier
Bezel or barrier is an integral part of the switch body.
Panel Cutouts
With barrier
Bushing Mounting
(1.8)
.071
(4.9)
.193
(12.3) Dia
.484
Snap-in Mounting
(1.2) R
.047
Without
Keyway
(12.3) Dia
.484
Panel Thickness:
.020” ~ .315”
(0.5 ~ 8.0mm)
With
Keyway
Panel Thickness:
.039” ~ .138”
(1.0 ~ 3.5mm)
(6.8)
.268
(12.3) Dia
.484
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.
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
NKK [ NIHON KAIHEIKI INDUSTRY CO. LTD. ]
