Beckwith Electronics

Hamburg, Illinois 62045
(618) 232-1139

(618) 232-1172 fax

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EAO Switch

Series 11/21
Rear mounted pushbuttons and indicators

Features:
Snap Action: 250 VAC/5A, 220VDC/0.1A, 24VDC/2A
Low Level: 42VAC/0.1A, 42VDC/0.1A
Min. Panel depth:
   Series11: 1.08 in.
   Series21: 0.944 in.
Mounts in panels to 0.157 inch thick
Choice of front panel mounting nut
5-Million operations, low level
Front Panel Replaceable Lense and Lamp

To order: First select switch indicator desired, indication contact and terminal type, where applicable. Then order lens and illuminator separately.

Order Lamps Separately.

Series 11
Lighted Pushbuttons & Indicators

(Order lens, lamp, and front mounting nut Separately)
Switch element Momentary
Round
Maintained
Round
Snap
Action
1-pole Form Z 11-131.812
11-131.815
11-131.822
11-131.825
11-271.812
11-271.815
11-271.822
11-271.825
2-pole Form Z 11-132.815
11-132.825
11-272.815
11-272.825
3-pole Form Z 11-133.815
11-133.825
11-273.815
11-273.825
4-pole Form Z 11-134.815
11-134.825
11-274.815
11-274.825
Low
Level
1 N.O. contact 11-435.836 11-475.836
1 N.C. contact 11-436.836 11-476.836
2 N.O. contacts 11-431.836 11-471.836
2 N.C. contacts 11-432.836 11-472.836
1 N.O., 1 N.C. 11-433.836 11-473.836
Indicator Solder connection 11-030.805
Length to match
low level.
Universal terminations
11-031.806
Series 21
Unlighted Pushbuttons

(Order button and front and front mounting nut Separately)
Switch element Momentary
Round
Maintained
Round
Snap
Action
1-pole Form Z 21-131.8
Discontinued
for reference only
21-271.812
21-271.815
21-271.822
21-271.825
2-pole Form Z 21-132.815
21-132.825
21-272.815
21-272.825
3-pole Form Z 21-133.815
21-133.825
21-273.815
21-273.825
Low
Level
1 N.O. contact 21-435.836 21-475.836
1 N.C. contact 21-436.836 21-476.836
2 N.O. contacts 21-431.836 21-471.836
2 N.C. contacts 21-432.836 21-472.836
1 N.O., 1 N.C. 21-433.836 21-473.836

Ordering Notes: .8 Select contact and terminal type, where applicable
1st digit is always 8 (Case color is gray)
Contact material (2nd digit): 1=Silver, 2=Gold over silver
Terminal type (3rd digit): 2=0.11=" Q.C., 5=Solder

Series 11
Lenses
Description Round 0 1 2 3 4 5 6 7 8 9
Lense, with
diffuser (lamp)
11-931.0 Opaque Black
11-931.2 Red
11-931.4 Yellow
11-931.5 Green
11-931.6 Blue
11-931.9 White
X   X   X X X     X
Lens, no
diffuser (LED)
11-932.2 Red
11-932.4 Yellow
11-932.5 Green
11-932.6 Blue
11-932.7 Clear
    X   X X X X    

 Select Color: 0=Black, 1=Solar Black, 2=Red, 3=Orange, 4=Yellow, 5=Green, 6=Blue, 7=Clear, 8=Gray, 9=White. Black and Grey are Opaque.

Series 11
Mounting Nuts
Description Part Number
Rear mounting nut (included with switch) 11-934
Front mounting
nut required

(not included)
A. Knurled, open face, bright chrome, 14 mm 11-935
B. Knurled, flat face, bright chrome, 14 mm 11-936
C. Knurled, conical face, bright chrome, 14 mm 11-937
Series 21
Mounting Nuts & Buttons
Description Part Number
Rear mounting nut (included with switch) 21-934
Front mounting
nut required

(not included)
A. Knurled, open face, bright chrome, 10 mm 21-935
B. Knurled, flat face, bright chrome, 10 mm 21-936
C. Knurled, conical face, bright chrome, 10 mm 21-937
Button

Black 21-931.0
Red 21-931.2
Yellow 21-931.4
Green 21-931.5
Blue 21-931.6
White 21-931.9