OPTIONAL ACCESSORIES
Spring Loaded Protective Guard for Square Snap-in Model
AT4171
Square
Protective Guard
(10.5)
.413
(17.9)
.705
Opens 180°
Closes automatically
(7.1)
.280
(20.5)
.807
Cap Height
When
(18.4)
(14.2)
.559
Assembled
.724
(7.5)
.295
(17.9)
.705
(20.4)
.803
(16.2) Sq
.638
(39.0) Min*
1.535
AT4171
180°
(10.5)
.413
Materials:
(20.5)
.807
Cover: Clear Polycarbonate
Base: Black GFR Polyamide
Coil Spring: Stainless Steel
(20.4)
.803
Recommended Panel Thickness:
.039” ~ .106” (1.0mm ~ 2.7mm)
(20.4)
.803 (N)
(N) = Number of switches
* Minimum dimension allows opening of cover to 180°
Spring Loaded Protective Guard for Snap-in Mounting of Rectangular PCB Model
AT4174
Rectangular
Protective Guard/
Snap-in Frame
(10.5)
.413
(15.64)
.616
(20.5)
.807
Opens 180°
Closes automatically
(24.6)
.969
Materials:
(26.6)
1.047
(6.0)
.236
(9.0)
.354
(20.54)
.809
Cover: Clear Polycarbonate
Base: Black Polyamide
Coil Spring: Stainless Steel
(23.4)
.921
180°
Recommended
Panel Thickness:
.039” ~ .126”
(18.2)
.717
(1.0mm ~ 3.2mm)
(39.0) Min*
1.535
Protective
Guard
AT4174
Recommended
Panel-to-PCB Range:
.354” ~ .433”
2
Panel
(10.5)
.413
Installation
(9.0mm ~ 11.0mm)
(20.5)
.807
1
2
3
Install switch onto
PC board.
Snap protective
guard into panel.
Join the two
3
Switch
(26.6)
1.047
1
PC Board
(9.0) ~ (11.0)
.354 ~ .433
(26.6)
1.047 (N)
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. ]
