Huanghua Group Co.,LTD
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Price: | 800.0 USD |
Payment Terms: | T/T,L/C,WU |
Place of Origin: | Zhejiang, China (Mainland) |
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General
1.1.Application scope
A1 series air circuit breaker is suitable for the circuit of AC 50Hz/60Hz with rated service voltage 400V,690V and rated service current up to 6300A. It is mainly used to distribute electric energy and protect circuits and electric equipmetn against over-load, under-voltage, short-circuit and single-phase earthing fault. With Intelligentized and selective protection functions , the breaker can improve the reliability of power supply, and avoid unnecessary power failure. The breaker is applicable for power stations, factories, mines(for 690V) and modern high-buildings, especially for the distribution system of interlligentized building.
1.2.Standard: IEC/EN60947-2
Frame size rated current inm(A) | Rated current InA | Rated insulation voltage(v) | Rated limit short-circuit breaking capacity lcu(kA) | Rated operating short-circuit breaking capacity lcu(kA) | Rated short-time withstand current lcw kA(1s) | ||
400V | 690V | 400V | 690V | ||||
2000 | 630 | 690 | 80 | 50 | 50 | 40 | 50 |
3200 | 2000 | 100 | 65 | 65 | 50 | 65 | |
4000 | 3200 | 100 | 65 | 65 | 50 | 65/80 | |
6300 | 4000 | 120 | 80 | 80 | 70 | 85/100 |
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