Electric Motion Tool Electric Motor KW4A(S) Micro Switch 125V250VAC
Model: KW4A(S)

Plunger spec illustration



The KW4A(S) micro switch - a compact and trustworthy switch that guarantees safety and reliability. Boasting a small gap and high sensitivity, this miniature switch offers precise and efficient operation with its tiny stroke characteristics. Its stable structure ensures optimal performance even in demanding working conditions, leading to an increased lifespan of the switch. With a wide range of contact terminal options available, the KW4A(S) micro switch caters to various needs and preferences.
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) |
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 | |
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 |
Electrical≥10,000 cycles | |
Weight | Approx.1.6g(No lever) |
Safety approvals | UL ,CUL ,VDE, TUV,ENEC, DEMKO, CE ,EK CQC |
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