Name: Lightning Arrester KW4A(S) Miniature Micro Switch 25T125
Brand: GETM
Availability: InStock
Rating: 4.8 (65 reviews)

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Lightning Arrester KW4A(S) Miniature Micro Switch 25T125

Lightning Arrester KW4A(S) Miniature Micro Switch 25T125

Model: KW4A(S)

1.Small gap, high sensitivity,tiny stroke
2.Miniature size

Lightning Arrester KW4A(S) Miniature Micro Switch 25T125

Micro switches play an significant role in sensing, controlling and monitoring in lightning arrester. Microswitches are also compact, flexible and reliable, making their use in lightning protectors easier and more dependable. Their compact size and reliable triggering mechanism allow the micro switches to function properly in complex circuit environments and withstand high-frequency switching operations.It provides a variety of levers and contact terminals according to your requirements.

Circuit illustration

Plunger spec illustration

Item	Value
Operating speed	0.1mm-1m/s(Related with actuator forms)
Operating frequency	Mechanical 60 cycles/min; electrical 25 cycles/min
Insulation resistance	≥100mΩ(500VDC)
Contact resistance	OF>0.5N:≤30mΩ(see note)
Contact resistance	OF≤0.5N:≤50mΩ(see note)
(Test voltage) Between terminals of the same polarity	AC1000V,50/60Hz,1min
(Test voltage) Between current-carrying metal parts and	AC1500V,50/60Hz，1min
ground (case),and between each terminal and non-current-carrying metal parts	AC1500V,50/60Hz，1min
Vibration resistance	10-55Hz , 1.5mm Double amplitude
Shock resistance	Destruction :OF>0.5N: 1000m/s2(approx.100G)max
	OF≤0.5N: 500m/s2(approx.50G)max
	Malfunction :OF>0.5N: 300m/s2(approx.30G)max
	OF≤0.5N: 200m/s2(approx.20G)max
Life	Mechanical ≥ 1,000,000 cycles
Life	Electrical≥10,000 cycles
Weight	Approx.1.6g(No lever)
Safety approvals	UL ,CUL ,VDE, TUV,ENEC, DEMKO, CE ,EK CQC