EAO Switch Corporation [Series 31,31-121.012,31-121.022,31-121.015,31-121.025,31-131.012,31-131.022,31-131.015,31-131.025,31-151.012,31-151.022,31-151.015,31-151.025,31-122.015,31-122.025,31-152.015,31-152.025,31-132.015,31-132.025,31-123.015,31-123.025,31-153.015,31-153.025,31-133.015,31-133.025,31-124.015,31-124.025,31-154.015,31-154.025,31-134.015,31-134.025,31-421.036,31-451.036,31-431.036,31-422.036,31-452.036,31-432.036,31-423.036,31-453.036,31-433.036,31-425.036,31-455.036,31-435.036,31-426.036,31-456.036,31-436.036,31-261.012,31-261.022,31-261.015,31-261.025,31-281.012,31-281.022,31-281.015,31-281.025,31-271.012,31-271.022,31-271.015,31-271.025,31-262.015,31-262.025,31-282.015,31-282.025,31-272.015,31-272.025,31-263.015,31-263.025,31-283.015,31-283.025,31-273.015,31-273.025,31-264.015,31-264.025,31-284.015,31-284.025,31-274.015,31-274.025,31-461.036,31-481.036,31-471.036,31-462.036,31-482.036,31-472.036,31-463.036,31-483.036,31-473.036,31-465.036,31-485.036,31-475.036,31-466.036,31-486.036,31-476.036,31-040.002,31-050.002,31-030.002,31-040.005,31-050.005,31-030.005,31-041.006,31-051.006,31-031.006 ,31-901.0,31-901.2,31-901.3,31-901.4,31-901.5,31-901.6,31-901.8,31-901.9,31-951.0,31-951.2,31-951.3,31-951.4,31-951.5,31-951.6,31-951.8,31-951.9,31-931.0,31-931.2,31-931.3,31-931.4,31-931.5,31-931.6,31-931.8,31-931.9,31-903.1,31-903.2,31-903.3,31-903.4,31-903.5,31-903.6,31-903.7,31-953.1,31-953.2,31-953.3,31-953.4,31-953.5,31-953.6,31-953.7,31-933.1,31-933.2,31-933.3,31-933.4,31-933.5,31-933.6,31-933.7,31-905.2,31-905.4,31-905.5,31-905.7,31-955.2,31-955.4,31-955.5,31-955.7,31-935.2,31-935.4,31-935.5,31-935.7,31-902.0,31-902.2,31-902.3,31-902.4,31-902.5,31-902.6,31-902.8,31-902.9,31-952.0,31-952.2,31-952.3,31-952.4,31-952.5,31-952.6,31-952.8,31-952.9,31-906.1,31-906.2,31-906.3,31-906.4,31-906.5,31-906.6,31-954.1,31-954.2,31-954.3,31-954.4,31-954.5,31-954.6,31-906.1,31-906.2,31-906.3,31-906.4,31-906.5,31-906.6,31-956.2,31-956.4,31-956.5,31-956.7,31-201.025,31-207.025,31-213.025,31-202.025,31-208.025,31-214.0251,31-999,31F-1,31F-2,31F-3,31F-4,31F-5,31F-6.3]

Beckwith Electronics

Hamburg, Illinois 62045
(618) 232-1139
(618) 232-1172 fax

EAO Switch

Series 31 Multi-purpose 16 mm pushbuttons Features: Snap Action: 250 VAC/5A, 220VDC/0.1A, 24VDC/2A Low Level: 42VAC/0.1A, 42VDC/0.1A Min. Panel depth = 1.14 in. Front Panel Replaceable Lense and Lamp Incadescent lamp, or LED
To order: First select switch indicator desired, indication contact and terminal type, where applicable. Then order lens and illuminator separately.

Order Lamps Seperately.

Momentary
	Switch element	Rectangular	Square	Round
Snap Action	1-pole Form Z	31-121.0	31-151.0	31-131.0
	2-pole Form Z	31-122.05	31-152.05	31-132.05
	3-pole Form Z	31-123.05	31-153.05	31-133.05
	4-pole Form Z	31-124.05	31-154.05	31-134.05
Low Level	2 N.O. contacts	31-421.036	31-451.036	31-431.036
	2 N.C. contacts	31-422.036	31-452.036	31-432.036
	1 N.O., 1 N.C.	31-423.036	31-453.036	31-433.036
	1 N.O. contact	31-425.036	31-455.036	31-435.036
	1 N.C. contact	31-426.036	31-456.036	31-436.036
Maintained
Snap Action	1-pole Form Z	31-261.0	31-281.0	31-271.0
	2-pole Form Z	31-262.05	31-282.05	31-272.05
	3-pole Form Z	31-263.05	31-283.05	31-273.05
	4-pole Form Z	31-264.05	31-284.05	31-274.05
Low Level	2 N.O. contacts	31-461.036	31-481.036	31-471.036
	2 N.C. contacts	31-462.036	31-482.036	31-472.036
	1 N.O., 1 N.C.	31-463.036	31-483.036	31-473.036
	1 N.O. contact	31-465.036	31-485.036	31-475.036
	1 N.C. contact	31-466.036	31-486.036	31-476.036
Lighted Indicator
(order lens and lamp separately)	For 0.110" Q.C. terminals	31-040.002	31-050.002	31-030.002
	Solder terminals	31-040.005	31-050.005	31-030.005
	Length matches low level, universal terminals	31-041.006	31-051.006	31-031.006

Ordering Notes: .0 Select contact and terminal type, where applicable
1st digit is always 0 (Case color is black)
Contact material
(2nd digit): 1=Silver, 2=Gold over silver
Terminal type (3rd digit): 2=0.11=" Q.C., 5=Solder

Lenses
	Description	Rect.	Square	Round	0	1	2	3	4	5	6	7	8	9
Flat Lens	Translucent	31-901.	31-951.	31-931.	X		X	X	X	X	X		X	X
	Transparent	31-903.	31-953.	31-933.		X	X	X	X	X	X	X
	Transparent with clear diffuser	31-905.	31-955.	31-935.			X		X	X		X
Concave	Translucent	31-902.	31-952.		X		X	X	X	X	X		X	X
	Transparent	31-906. Discontinued for reference only Use 31-902. or 31-903.	31-954.			X	X	X	X	X	X
	Transparent with clear diffuser		31-956.				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.

Description		Part Number
Combination Lighted Pushbutton and Fuse (Order lens, lamp, and fuse seperately)
		Internal Lamp and Fuse Combination
		Lamp and fuse have seperate terninals	Lamp and fuse share 1 common terminal	Lamp and fuse paralleled to same terminals
For 6-60 V Incandescent Lamp	1 Pole Switch	31-201.025	31-207.025	31-213.025
For 6-60 V Incandescent Lamp	2 Pole Switch	31-202.025	31-208.025	31-214.025
Fuseholders are for 5 x 20 mm 250 V fuses, quick blow only, 6.3 amp maximum. Pushbuttons are maintained action. Switches are snap action, 250 V AC, 5 A, 1 or 2 pole. Overal length: 1 Pole switch : 2.2 inches 2 Pole switch : 2.5 inches		Independent lamp and fuse circuits. For general purpose and development use.	One terminal common to lamp and fuse. Saves connections where lamp is to light when fuse is energized.	Lamp and fuse internally connected in parallel. Lamp lights when fuse blows, if current is at least 2/3 of nominal lamp current.
Fuse Leger Plate	18 x 24 mm, self-adhesive		31-999
Fuse	Quick blow 5 x 20 mm 250 V	1A	31F-1
		2A	31F-2
		3A	31F-3
		4A	31F-4
		5A	31F-5
		6.3A	31F-6.3