WK-4

WK-4

WK-4 Aviation & Military Micro Switch

1. Large load capacity;
2. With instantaneous action function, the action is sensitive and the parameter accuracy is high;
3. Operating Temp.: (-55～70) ℃;
4. The minimum Differential Travel range is 0.12mm max;
5. The electrical life reaches up to 20,000 times;
6. Auxiliary pressing mechanisms such as levers and rollers can be added according to user requirements, or they can be manufactured according to user-specified circuit structures.

Standard: Meet GJB150-86 military equipment environmental test method (part), GJB809A-97 micro switch general technical specification (part), WK-4 micro switch product specification (internal).

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WK-4 Micro Switch Specifications
Electrical Load Resistance 28VDC, 3mA～20mA
Pre-travel PT(mm) 0.3～0.7
Overtravel OT(mm) ≥0.4
Differential Travel DT(mm) ≤0.12
Operating Force OF(N) 5.8～9.8
Releasing Force RF(N) ≥1.96
Operating Temp.(℃) -55～70
Weight (g) ≤40
Electric Life (cycles) 20,000
Insulation Resistance (normal) MΩ ≥100
Insulation Resistance (damp heat) MΩ ≥1
Dielectric Withstand Voltage (VAC) After normal conditions and humidity resistance test 500
After the lifetime test 250
Salt Spray (h) 48

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