TYPICAL SWITCH DIMENSIONS
Rectangular • Snap-in Mount • Built-in Side Barriers
Single & Double Pole
(0.8) x (1.6) Typ
.032 x .063
L
+
6
3
(5.08) Typ
.200
N.C.
N.C.
(12.0)
.472
2
N.O.
COM.
5
N.O.
COM
(17.8)
.701
(15.8)
.622
L
-
4
1
(0.5) Typ
.020
(17.0)
.669
(7.62) Typ
.300
(2.0) Typ
.079
(24.0)
.945
(3.9) (8.6) (5.0)
.154 .339 .197
(22.0)
.866
UB25NBKW01N-F
Single pole models do not have terminals 4, 5, & 6.
OPTIONAL ACCESSORIES
AT4001
Not for use with barrier type models (mounting code NBK)
Square
Dust Cover
(16.5)
.650
(15.0) Sq
.591
(16.5)
.650
(24.0)
.945
AT4011
Rectangular
Dust Cover
Cap Height
When
Assembled
(2.5)
.098
(22.7)
.894
(7.3)
.287
(24.0) Sq
.945
(30.2)
1.189
Materials: PVC with polyethylene gasket (PVC loses pliability below 0°C (32°F).)
Recommended Panel Thickness: .039” ~ .098” (1.0mm ~ 2.5mm)
Spring Loaded Protective Guard for Snap-in Mounting of Square PCB Model
AT4173
Square Protective Guard/
Snap-in Frame
(10.5)
.413
(15.64)
.616
Opens 180°
Closes automatically
(20.5)
.807
Materials:
Cover: Clear Polycarbonate
Base: Black Polyamide
(18.4)
.724
(6.0)
.236
(9.0)
.354
(20.4)
.803
(15.64)
.616
Coil Spring: Stainless Steel
180°
Recommended
Panel Thickness:
.039” ~ .126”
(18.2) Sq
.717
(1.0mm ~ 3.2mm)
(39.0) Min*
1.535
Protective
Guard
AT4173
Recommended
2
Panel-to-PCB Range:
.354” ~ .433”
(10.5)
.413
Panel
(9.0mm ~ 11.0mm)
(20.5)
.807
Installation
1
2
3
Install switch onto
PC board.
Snap protective
guard into panel.
Join the two
3
Switch
(20.4)
.803
1
PC Board
(20.4)
.803 (N)
(9.0) ~ (11.0)
.354 ~ .433
assemblies.
(N) = Number of switches
* Minimum dimension allows opening of cover to 180°
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. ]
