| Breaking Capacity: | Low Voltage Circuit Breakers |
|---|---|
| Operation: | Electric Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Fixed |
| Structure: | MCB |
| Samples: |
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| Customization: |
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Audited Supplier Construction and Feature
1.High short-short capacity 10KA.
2.Designed to protect circuit carrying big current up to 125A.
3.Contact position indication.
4.Used as main switch in household and similar installation.
| Standard | IEC/EN 60947-2 |
| Pole No | 1P,1P+N, 2P, 3P,3P+N,4P |
| Rated voltage | AC 230V/400V |
| Rated Current(A) | 20A,25A,32A,40A,50A,63A,80A,100A,125A |
| Tripping curve | C, D |
| Rated short-circuit capacity(lcn) | 10000A |
| Rated service short-circuit capacity(Ics) | 7500A |
| Rated frequency | 50/60Hz |
| Rated impulse withstand voltage Uimp | 6kV |
| Connection terminal | Pillar terminal with clamp |
| Electro-mechanical endurance | Ins100=10000:n125=8000 |
| Terminali Connection Height | 20mm |
| Connection capacity | Flexible conductor 35mm² |
| Rigid conductor 50mm² | |
| Installation | On symmetrical DIN rail 35mm |
| Panel mounting |
| Test | Tripping Type | Test Current | Initial State | Tripping timeor Non-tripping Time | Provisior |
| a | Time-delay | 1.05In | Cold | t≤1h(In≤63A) t≤2h(ln>63A) |
No Tripping |
| b | Time-delay | 1.30In | After test a | t<1h(In≤63A) t<2h(In>63A) |
Tripping |
| c | Time-delay | 2In | Cold | 10s<t<60s(In≤63A) 20s<t<120s(In>63A) |
Tripping |
| d | Instantaneous | 8ln | Cold | t≤0.2s | No Tripping |
| e | lnstantaneous | 12In | Cold | t<0.2s | Tripping |
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