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KW4B Sensitive Micro Limit Switch Push Button Manufacturer

The KW4B micro switch uses nickel silver contact which increases switch service life and provides high reliability. The max rated current is 10(4)A250VAC 0~10A 0~36VDC. Widely used in automation equipment and electronic equipment.

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Product Features

-Safe,reliable miniature switch
-Tight configuration.Characteristic:small contact gap, quick action,high sensitivity and small operating travel.
-Long life,high reliability
-A variety of contact terminals
– A variety of levers
-Widely used in home appliance,electronic equipment,automatic machine,communication equipment,car electron,apparatus and instrument etc.

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Product Parameters

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

OF≤0.5N:≤50mΩ

(Test voltage) Between terminals of the same polarity AC1000V , 50/60Hz , 1min
(Test voltage) Between current-carrying metal parts and 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

Weight Approx.1.6g(No lever)
Life Mechanical ≥ 1,000,000 cycles

Electrical ≥ 10,000 cycles

Safety approvals UL,CUL,VDE,TUV,ENEC,DEMKO,CE,EK,CQC

Application

DONGNAN switch’s micro switches are used in a variety of devices and can be used in household appliances, electronic equipment, automation equipment, etc. Its premium quality makes it the first choice of major well-known brands. We provide competitive price for your order.

Company Advantage

DONGNAN ELECTRONIC CO.,LTD. has advanced standardization production equipment; high precision manufacturing processing equipment; German type mold manufacturing and design capabilities, world-class testing laboratory; close cooperation team. Strictly carry out quality control measures, and improve the quality of our products constantly, to provide customers with competitive products and satisfactory service, awareness of quality services to every worker.
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