The JUER Electric® Low Voltage Ac Miniature Circuit Breaker is mainly used in the line of AC 50/60Hz, rated working voltage to 240V/415V, and rated current to 63A as protection against overload and short-circuit. It can be used as infrequent on-and-off operation and changeover.
KNB1-63 Miniature Circuit Breaker MCB It complies with standard of GB10963 and IEC/EN60898.
Model | MINI CIRCUIT BREAKER | ||
Code | ZCB1-63 | ||
Standard | IEC60898-1 | ||
Electrical features |
Rated current in | A | 1 2 3 4 6 10 16 20 25 32 40 50 63 |
Poles | 1P,1P+N, 2P, 3P,3P+N, 4P | ||
Rated voltage Ue | V | 240/415 | |
Insulation coltage Ui | V | 500 | |
Rated frequency | Hz | 50/60 | |
Rated breaking capacity | A | 6000 | |
Rated impulse withstand voltage (1.2/50)Uipm | V | 4000 | |
Dielectric test voltage at and ind.Freq.for 1min | KV | 2 | |
Pollution degree | 2 | ||
Themo-magnetic release characteristic | B(3-5In) , C(5-10In) , D(10-20In) | ||
Mechanical features |
Electrical life | 4000 | |
Machanical life | 20000 | ||
Protection degree | IP 20 | ||
Reference temperature of setting of thermal element | °C | 30 | |
Ambient temperature(with daily average≤35°C) | °C | -5~+40 | |
Storage temperature | °C | -25...+70 | |
Installation | Terminal connection type | Cable/Pin-type busbar | |
Terminal size top/bottom for cable | mm² | 25 | |
Terminal size top/bottom for busbar | mm² | 25 | |
Tightening torque | N*m | 2.0 | |
Mounting | 35mm DIN rail | ||
Connection | From top and bottom |