Process Sealed Subminiature Pushbuttons Series AB
POLES & CIRCUITS
Plunger Position
( ) = Momentary
Connected Terminals
Throw & Schematics
Normal
Down
Normal
Down
Note: Terminal numbers are not
actually on the switch.
Pole
Model
AB11
INTERNAL
CONNECTION
SP
OFF
ON
ON
(ON)
(ON)
(ON)
OPEN
2-3
3-1
2-1
SPST
1
3
2 (COM)
3
SP
AB15
AB25
SPDT
DPDT
1
(COM)
2
5
DP
2-3 5-6
2-1 5-4
1
3
4
6
PLUNGERS
(2.8) Dia
.110
.213” (5.4mm)
Long
.183” (4.6mm)
.080” (2.03mm)
Long
(on SP only)
(2.8) Dia
.110
A
B
C
(2.8) Dia
.110
Long
(on SP only)
(4.6)
.183
(5.4)
.213
(2.03)
.080
Standard Plunger Color: White
Contact factory for red or black options.
PC TERMINALS
Straight
with Bracket
Right Angle
with Bracket
Vertical
with Bracket
P
B
H
V
Straight
(10.16)
.400
(5.08)
(0.6) Dia Typ
.024
(0.5) Typ
.020
.200
(2.54) Typ
(2.54) Typ
.100
(5.08)
.200
(2.54) Typ
.100
.100
(0.6) Dia Typ
.024
(5.08)
(2.54) Typ
.100
(0.6) Dia Typ
.024
.200
(0.3) Typ
.012
(5.08) Typ
.200
(2.54) Typ
.100
(0.7) Typ
.028
(0.6) Dia Typ
.024
(5.08)
.200
(5.08)
(0.3)
.012
.200
(0.3)
.012
(0.7)
(0.8)
.031
.028
(0.5)
.020
(0.7)
.028
(9.0)
.354
(9.0)
.354
(8.8)
.346
(8.8)
.346
(9.0)
.354
(8.8)
.346
(9.0)
.354
(8.8)
.346
Use of a support bracket is recommended to increase PCB mounting strength and stability.
B1 & V1 terminal dimensions appear on the pushbutton drawings which follow.
SLIP-ON CAPS
AT475
.201” (5.1mm) Diameter Cap
AT496
F
H
.295” (7.5mm) Diameter Cap
(2.8) Dia
.110
(2.8) Di
.110
(5.1) Dia
.201
(7.5) Dia
.295
Material: Polyamide
Material: Polyamide
(4.0)
.157
(4.0)
.157
(6.3)
(6.3) (5.4)
.248 .213
(5.4)
.213
.248
For use with
plungers A & B only.
For use with
plungers A & B only.
A
B
C
Black
White
Red
Colors Available:
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. ]
