AT4081 NKK Switches, AT4081 Datasheet - Page 32

• Manufacturer Part Number: AT4081
• Description: REPL KEY SK SER KEYSWITCH/LOCK
• Manufacturer: NKK Switches
• Type: Key, Actuatorr
• Series: ATr

Specifications of AT4081

• Accessory Type: Replacement Key - Chrome/Zinc Alloy
• Height: 1.8 mm
• Length: 23.6 mm
• Mounting Style: Through Hole
• Termination Style: Snap On
• Width: 17 mm
• For Use With/related Products: SK Series - 12mm Miniature Low and Medium Security
• For Use With: 360-1936 - SWITCH KEYLOCK SPDT LOW SEC 12MM360-1935 - SWITCH KEYLOCK SPDT LOW SEC 12MM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 360-1010

AT4179
Round Cap for Bright LED
Polycarbonate
Colors: JB JC JD JF
Series: LB Panel Seal
AT4181
Splashproof Boot Assembly
Boot Material: Black silicon rubber
Hex Nut Material & Finish:
Nickel plated brass
O-ring Material: Natural rubber
Series: M P S WT
1. Install switch bushing into mounting hole of panel from the back and
2. Install o-ring on bushing and tighten nut from above.
3. Insert boot onto nut. Be sure the boot and nut are a firm, secure fit.
Use boot, nut and o-ring as shown. Use lockwasher and hexagon nut
(from standard switch hardware) behind panel.
adjust bushing to protrude 3.5 ~ 5.5mm (.138 ~ .217”).
Color Codes:
• M Series B2 Toggles with 12mm B1 & B3 Bushings
• P Series B Toggles with 12mm Bushing
• S31 ~ 39, S41 ~ 49, S31F ~ 33F, S41F ~ S43F, S31T ~ 33T, S41T ~ 43T
• S301 ~ 309, S331 ~ 339, S301F, S331F ~ 333F, S335F, S301T ~ 309T, S331T ~ 339T
• S421 ~ 429, S421T ~ 429
• WT11S ~ 29S, WT11T ~ 29T, WT11L ~ 29L
• S1A ~ 7A, S21A, S1F ~ 7F, S21F
• S114, S116
• S1AW ~ 9AW, S21AW, S25AW ~ 29AW
M, P or S Toggles with 12mm Bushings
(19.0) Dia
.748
(3.5) ~ (5.5)
.138 ~ .217
Switch Installation Instructions
Non-Splashproof Switches
.354
(9.0)
A Black
(24.3)
.957
B White
(18.6)
.732
Boot
(14.8)
Nut
.583
O-ring
Panel
Series or Part Numbers
(12.1) Dia
.476
C Red
(21.5) Dia
.846
AT4180
Snap-on Knob
Polyamide
Knob: Black
Flange: Transparent brown
Series: FR01
(8.0) Dia
.315
M12 P1
(17.5) Dia
.689
D Amber
.378
(9.6)
.039
(1.0)
www.nkk.com
Accessories & Hardware
(3.5) ~ (5.5)
.138 ~ .217
S1AW ~ S29AW S Toggles
1. Stretch base of the boot to fit around outer edges of the nut.
2. The ridge inside of boot must be firmly seated in groove of the nut.
3. Moving all around perimeter, push (with about 10N of force) toward
Use boot, nut and o-ring as shown. Use o-ring only (from standard switch
hardware) behind panel.
center to assure boot seals tightly into groove (with no air pockets).
E Yellow
1
.083
(0.8)
.031
(2.1)
For 12mm Bushings in M, P, S & WT Toggles
1
2
F Green
Boot & Nut Assembly Instructions
Boot
Nut
O-ring
Panel
Splashproof Switches
3
Panel Thickness (Maximum)
G Blue
WT Toggles or M Toggle with B3 Bushing
3
3
5.0mm (.197”)
3.5mm (.138”)
3.0mm (.118”)
(3.5) ~ (5.5)
.138 ~ .217
H Gray
3
3
J Clear
Boot
Nut
O-ring
Panel
3
Y33
Y