Datasheet
Accessories & Hardware
Y33
Indicators
Y
AccessoriesSupplement Tactiles KeylocksRotaries PushbuttonsIlluminated PBSlides Programmable
Toggles
Rockers
Touch
Tilt
www.nkk.com
Color Codes: A Black B White C Red D Amber E Yellow F Green G Blue H Gray J Clear
AT4181
Splashproof Boot Assembly
Series: M S WT
Use AT4181K, AT401N and
AT4181P
AT4181K
Splashproof Boot
Black silicone rubber
Color: A
Series: M S WT
AT4181P
O-ring
Nitrile butadiene rubber
Color: A
Series: M S WT
AT4188
Diffuser for AT4074
Square Cap
Polycarbonate
Color: B
Series: UB
AT4189
Diffuser for AT4117
Rectangular Cap
Polycarbonate
Color: B
Series: UB
Boot & Nut Assembly Instructions
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
center to assure boot seals tightly into groove (with no air pockets).
11
2
33
33
3
3
Series or Part Numbers Panel Thickness (Maximum)
• M Series B2 Toggles with 12mm B1 & B3 Bushings
• 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
5.0mm (.197”)
• WT11S ~ 29S, WT11T ~ 29T, WT11L ~ 29L 3.5mm (.138”)
• S1A ~ 7A, S21A, S1F ~ 7F, S21F
• S114, S116
• S1AW ~ 9AW, S21AW, S25AW ~ 29AW
3.0mm (.118”)
Boot
Nut
O-ring
Panel
(3.5) ~ (5.5)
.138 ~ .217
Boot
Nut
O-ring
Panel
(3.5) ~ (5.5)
.138 ~ .217
Boot
Nut
O-ring
Panel
(3.5) ~ (5.5)
.138 ~ .217
For 12mm Bushings in M, S & WT Toggles
Non-Splashproof Switches
M or S Toggles with 12mm Bushings
Splashproof Switches
S1AW ~ S29AW S Toggles WT Toggle or M Toggle with B3 Bushing
Use boot, nut and o-ring as shown. Use lockwasher and hexagon nut
(from standard switch hardware) behind panel.
Use boot, nut and o-ring as shown. Use o-ring only (from standard switch
hardware) behind panel.
(18.6)
.732
(14.8)
.583
(24.3)
.957
(21.5) Dia
.846
(8.0) Dia
.315
M12 P1
(1.0)
.039
(12.1) Dia
.476
(17.5) Dia
.689
Switch Installation Instructions
1. Install switch bushing into mounting hole of panel from the back and
adjust bushing to protrude 3.5 ~ 5.5mm (.138 ~ .217”).
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.
(10.35)
.407
(15.35)
.604
(0.5
)
.020
(10.35) Sq
.407
(0.5)
.020
(18.6)
.732
(14.8)
.583
(24.3)
.957
(21.5) Dia
.846
(8.0) Dia
.315
M12 P1
(1.0)
.039
(12.1) Dia
.476
(17.5) Dia
.689