AT488 datasheet(8/33 Pages) ETC2

8 / 33 page

Accessories & Hardware

www.nkk.com

AT401A/H/S

Splashproof Boot Assembly

Hex Nut Material & Finish:

Nickel plated brass

O-ring Material:

Nitrile butadiene rubber

Series: M P S WT

AT401P

O-ring

Nitrile butadiene rubber

Color: A

Series: M MB20 TL WB WT

AT402

Splashproof Boot

Silicon rubber for A C E F

Ethylene propylene rubber for H

Colors: A C E F H

Series: M P S

AT402S

Splashproof Boot

Silicon rubber

Color: A

Series: M

AT405

Solid Color Rocker

Polycarbonate

Colors: A B C D E F G

Series: MLW

(18.0) Dia

.709

(10.4)

.409

(14.4)

.567

(18.4)

.724

M12 P1

(8.0) Dia

.315

(10.5)

.413

(15.6)

.614

(12.6)

.496

(16.0)

.630

(13.5)

.531

(1.5)

.059

(12.1) Dia

.476

(17.5) Dia

.689

(8.0) Dia

.315

M12 P1

(18.0) Dia

.709

(15.3)

.602

(19.3)

.760

(23.3)

.917

Color Codes:

A Black

B White

C Red

D Amber

E Yellow

F Green

G Blue

H Gray

J Clear

AT400s

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”) above panel.

2. Install boot over bushing and tighten with hex nut.

Non-Splashproof Switches

M, P or S Toggles with 12mm Bushings

Splashproof Switches

S1AW ~ S29AW S Toggles

WT Toggles 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.

For 12mm Bushings in M, P, S and WT Toggles

AT401A for Oil Resistance

Boot Material: Black nitrile butadiene rubber

AT401H for Dust & Ozone Resistance

Boot Material: Gray ethylene propylene rubber

AT401S for Flexibility, Resilience, and Tensile Strength over Wide

Temperature Range

Boot Material: Black silicone rubber

Boot Assembly Instructions

1. After mounting boot AT401 over toggle, press into place.

2. Be sure boot is pressed evenly and firmly down at or below height A

as shown.

(10.0)

.394

(16.0) Dia

.630

(17.0) Dia

.669

(14.0) Dia

.157

(1.5)

.059

(12.1) Dia

.476

(17.5) Dia

.689

Press Boot

Down Firmly

Around Toggle

(3.5 ~ 5.5)

.138 ~ .217

Boot

Hex Nut

O-ring

Panel

Thickness

Range

(3.5 ~ 5.5)

.138 ~ .217

Boot

Hex Nut

O-ring

Panel

Thickness

Range

(3.5 ~ 5.5)

.138 ~ .217

Boot

Hex Nut

O-ring

Panel

Thickness

Range

(17.0)

.669

(4.7)

.185

M12 P1

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