Specification of MCB / Miniature Circuit Breaker Chint NXB-63
MCB / Miniature Circuit Breaker Chint NXB-63 | Overload protection, short circuit protection and isolation. It is widely used in building power distribution, industrial power distribution, as well as control and protection for a variety of equipment with operating current not exceeding 125A.
Technical parameters
Rated current: 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A;
Rated voltage: 220V~/230V~/240V ~ (1P, 1P+N), 380V~/400V~/415V ~ (2 ~ 4P, 3P+N);
Frequency: 50;
Electromagnetic release type: B, C, D;
Number of poles: 1P, 1P+N, 2P, 3P, 3P+N, 4P;
Mechanical life: 20000 cycles;
Electrical life: 10000 cycles;
Rated short-circuit breaking capacity(Icn): 6000A;
Short-circuit breaking capacity (Ics): 6000A;
Rated impulse withstand voltage (Uimp): 4kV;
