NB1-63 Miniature Circuit Breaker  

1. General of Miniature Circuit Breaker ▪ Short circuit protection  ▪ Overload protection  ▪ Switch ▪ Isolation  ▪ Contact position indicator  ▪ Advanced current-limit technology  ▪ Heat dissipation gap for better cooling  ▪ Extendable DIN-rail holder for easy installation  2. Technical Information Rated current: 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A;  Rated voltage: 220V~/230V~/240V ~ (1P, 1P+N，2P), 380V~/400V~/415V ~ (2 ~ 4P, 3P+N);  Frequency: 50/60Hz;  Thermal magnetic release: 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,10000A(2P, 220V/230V/240V);  Short-circuit breaking capacity (Ics): 6000A, 7500A(2P, 220V/230V/240V);  Rated impulse withstand voltage (Uimp): 4kV;…