Alarm KW3A micro switch can be customized| Dongnan
Alarm KW3A micro switch can be customized
Model: KW3A
Plunger spec illustration
Internal configuration drawing
Internal structure diagram of light operating force
Internal structure diagram of DC large gap
With KW3A micro switch, you can choose from a wide range of customizable levers to meet your specific needs. Its thermosetting plastic construction ensures durability and excellent heat resistance. DONGNAN switch can be used to trigger the operation of an alarm. When an alarm needs to be activated under specific conditions, the microswitch can be used to trigger the alarm to work by sensing an external signal or physical movement that connects or disconnects the circuit of the alarm. For example, when a door or window is opened illegally, the microswitch is triggered, causing the alarm to begin sounding.
| Item | Value |
| Operating speed | 0.1mm-1m/s(Related with actuator forms) |
| Operating Frequency | Mechanical 60 cycle/min; Electrical 25 cycles/min |
| Insulation resistance | ≥ 100MΩ(500VDC) |
| Contact resistance | OF>0.75N:≤30mΩ |
| OF≤0.75N:≤100mΩ(initial value) | |
| (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-cueeent-carrying metal parts. | AC3750V,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:400m/s2(approx.40G)max | |
| Malfunction:OF>0.5N:200m/s2(approx.20G)max | |
| OF≤0.5N:100m/s2(approx.10G)max | |
| Life | Mechanical≥2,000,000 cycles |
| Electrical≥50,000 cycles | |
| Weight | Approx.6.2g(No lever) |
| Safety approvals | UL,CUL,VDE,ENEC,SEMKO,DEMKO,NEMKO,FLMKO,CE,EK,CQC |
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