Standard Size Snap-in Pushbuttons Series LB
POLES & CIRCUITS
Plunger Position
( ) = Momentary
Connected Terminals
Throw & Switch/Lamp Schematics
Normal
Down
Normal
Down
Note: Switch is marked with NC, NO, COM, L+, L–.
Pole
Model
1
COM
2
LB15
*LB16
ON
ON
(ON)
ON
SP
1-3
1-2
SPDT
DPDT
3
NC
NO
4
1
COM
COM
5
LB25
*LB26
ON
ON
(ON)
ON
DP
1-3 4-6
1-2 4-5
3
2
6
NC
NO
NC
NO
* When in latchdown position for the alternate circuit, cap position is .039” (1.0mm) above the built-in bezel.
SHAPES & PANEL CUTOUTS
.622” (15.8mm)
Square
.854” (21.7mm)
Round
.622” x .866” (15.8mm x 22.0mm)
Rectangular
S
C
R
(22.0) Dia
.866
(16.2)
.638
(11.5)
.453
(22.4)
.882
(16.2) Sq
.638
(1.5) R
.059
Cutout for 1 switch:
Cutout for 1 switch:
.638” x .638” (16.2mm x 16.2mm)
Cutout for 1 switch with barriers:
.638” x .815” (16.2mm x 20.7mm)
.638” x .882” (16.2mm x 22.4mm)
Cutout for 1 switch with barriers:
.638” x 1.059” (16.2mm x 26.9mm)
Panel Thickness for Switches & Barriers: .039” ~ .157” (1.0 ~ 4.0mm)
Panel Thickness for Protective Guards & Splash Covers: .039” ~ .138” (1.0 ~ 3.5mm)
HOUSING
K
G
Housing Colors Available:
Black
Gray
CONTACT MATERIALS, RATINGS & TERMINALS
Power Level
3A @ 125V AC & 250V AC
Solder Lug/Quick Connect
W01
Silver Contacts
Epoxy
Seal
(7.5)
.295
Logic Level
0.4VA max. @ 28V AC/DC max.
(2.0)
.079
G01
(2.8)
Gold Contacts
.110
(1.2)
.047
Thk = (0.5)
.020
Complete explanation of operating range in Supplement section.
CAPS & CAP COLORS
Color Codes:
A Black
B White
C Red
E Yellow
F Green
G Blue
H Gray
Cap Colors Available:
AT484
Square
AT4017
Round
AT4030
Rectangular
(13.2)
.520
(19.4)
.764
(19.0) Dia
.748
(3.5)
.138
(13.2) Sq
.520
(4.5)
.177
A
B
E
F
H
(5.0)
.197
(6.5)
.256
(5.5)
.217
(6.0)
.236
C
G
Material: Polycarbonate
Finish: Glossy
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. ]
