Datasheet

2 sensing.honeywell.com
MICRO SWITCH™ Magnetically Held Toggle Switches, ET Series
Table 1. Specifications
Characteristic Parameter
Description Military-grade toggle switch with magnetic “hold” capabilities
Sealing Sealed to SAE AS55941 specifications
Operating temperature -65 °C to 71 °C [-85 °F to 160 °F]
Lever actuator styles (metal) Standard lever, tab lever, pull-to-unlock lever, push-to-unlock lever
Lever/switch action
2 or 3 positions; maintained or mechanical momentary with electrically maintained (solenoid
energized) feature
Mounting Ø 15/32 in [Ø 0.47 in]
Circuitry 1PDT, 2PDT, 4PST, 4PDT
Termination Leadwire, solder, screw
Contact material Fine silver
Electrical rating @ 28 Vdc Up to 7 A (refer to Table 2, Electrical Ratings)
Approvals Most catalog listings qualified to SAE AS55941
Dimensions with standard lever
90,6 mm H (with screw termination) x Ø 25,4 mm [3.57 in H x Ø 1.00 in]; Refer to individual
drawings for above panel and below panel dimensions
Table 2. Electrical Ratings (Amps)
Rating Code
Supply
Voltage
Sea Level 65,000 ft
Resistive Inductive Motor Resistive Inductive Motor
A 28 Vdc 4 2.5 4 4 2 4
B 28 Vdc 4 3 4 4 2.5 4
C 28 Vdc 7 2 – 5 1.5 –
D 28 Vdc 7 4 – 7
1
2.5
1
–
1
50,000 ft for Rating Code D.² AP
TYPICAL ET SWITCH CONSTRUCTION CIRCUITRY
1
2
3
4
5
NC
Single-Pole Double-Throw
1
2
3
7
8
NC
Double-Pole Double-Throw
4
5
6
1
2
9
10
NC
Four-Pole Single-Throw
3
4
5
6
7
8
11
12
NC