Standard Size Snap-in Pushbuttons
OPTIONAL ACCESSORIES
Barriers
AT497
End
End Position
Series LB
AT498
Center
(23.5)
.925
(4.3) Typ
.169
(5.2)
.205
(19.2)
.756
Cutouts for More Than 1 Switch
A
(20.0)
.787
(15.0)
.591
(16.2)
.638
Center Position
Square
A = .752” (19.1mm) x Number of Switches + .051” (1.3mm)
(1.19)
.047
(1.19)
.047
(19.2)
.756
Material: Polyamide
Rectangular
A = .996” (25.3mm) x Number of Switches + .051” (1.3mm)
Protective Guard
AT499
Square
Protective Guard
Opens 90°
Closes manually
(10.0)
.394
(21.0)
.827
(17.0)
.669
Cap Height
When
Assembled
(20.0)
.787
(8.0)
.315
Materials:
Cover: Clear Polycarbonate
Base: Black GFR Polyamide
(14.0) Sq
.551
(17.9) Sq
.705
Protective Guards reduce depth of switch behind panel by .020” (0.5mm).
Spring Loaded Protective Guard
AT4171
Square
Protective Guard
Opens 180°
Closes automatically
(10.5)
.413
(20.5)
.807
Cap Height
When
Assembled
(17.9)
.705
(7.1)
.280
(18.4)
.724
(20.4)
.803
(7.5)
.295
(14.2)
.559
(17.9)
.705
(16.2) Sq
.638
(39.0) Min*
1.535
AT4171
(10.5)
.413
(20.5)
.807
Materials:
Cover: Clear Polycarbonate
Base: Black GFR Polyamide
Coil Spring: Stainless Steel
180°
(20.4)
.803
(20.4)
.803 (N)
* Minimum dimension allows opening of cover to 180°
(N) = Number of switches
Recommended Panel Thickness:
.039” ~ .106” (1.0mm ~ 2.7mm)
03-07
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
NKK [ NIHON KAIHEIKI INDUSTRY CO. LTD. ]
