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- Email: service@dongnanswitches.com
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DONGNAN KW4A Mini Micro Switch Push Button Manufacturers
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Product Features
-Safe,reliable miniature switch
-Nice 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.
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
One of the main application areas of the KW4A micro switch is household appliances, especially washing machines. It is usually used to control the state of the washing machine door to ensure that the door can be firmly closed when the washing machine is running to ensure the safety of the user and the normal operation of the washing machine. In addition, the KW4A micro switch can also be used in other household appliances, such as electric kettles, microwave ovens, etc.
In general, KW4A micro switch is a kind of stable performance, and strong vibration resistance, suitable for household appliances medium-sized microswitches.
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