China OEM Mcb Miniature Circuit Breaker Exporter - Miniature Circuit Breaker (MCB) CJM2-125 – C&J
China OEM Mcb Miniature Circuit Breaker Exporter - Miniature Circuit Breaker (MCB) CJM2-125 – C&J Detail:
Construction and Feature
- High short-short capacity 10KA
- Designed to protect circuit carrying big current up to 125A
- Contact position indication
- Used as main switch in household and similar installation
- The price-quality ratio is very high
Specification
| Standard | IEC/EN 60898-1 | ||||
| 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 |
Overload Current Protection Characteristics
| 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 |
Working Principle of MCB
When an MCB is subject to continuous over-current, the bimetallic strip heats up and bends. An electromechanical latch is released when the MCB deflects the bi-metallic strip. When the user connects this electromechanical clasp to the working mechanism, it opens the microcircuit breaker contacts. Consequently, it causes the MCB to switch off and terminate the current flowing. The user should individually switch on the MCB to restore the current flow. This device guard against defects caused by excessive current, overload, and short circuits.
Product detail pictures:
Related Product Guide:
We attempt for excellence, support the customers, hopes to become the good cooperation team and dominator enterprise for staff, suppliers and shoppers, realizes worth share and continual marketing for China OEM Mcb Miniature Circuit Breaker Exporter - Miniature Circuit Breaker (MCB) CJM2-125 – C&J , The product will supply to all over the world, such as: Paraguay, Qatar, Mali, We are your reliable partner in the international markets of our products. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade products in combination with our goodpre- and after-sales service ensures strong competitiveness in an increasingly globalized market. We are willing to cooperate with business friends from at home and abroad, to create a great future. Welcome to Visit our factory. Looking forward to have win-win cooperation with you.
By Sahid Ruvalcaba from Russia - 2018.12.30 10:21
As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.
By Diana from Poland - 2017.07.07 13:00
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