BM-50L series small leakage circuit breakers, BM-50LG series with overvoltage protection leakage circuit breakers
BM-50L series miniature residual current circuit breaker is suitable for AC 50 Hz, rated voltage to 230 V / 400 V, rated current to 50 a power supply lines, to protect lines and electrical equipment overload and short circuit. Leakage circuit breaker is used for leakage protection, and its leakage tripping mode is electronic, which is mainly composed of zero sequence current transformer, electronic component board and circuit breaker.
BM-50LG series leakage circuit breaker with over-voltage protection, which is based on bm-50l product with over-voltage protection function of 280v.
● Model definition and labeling
GB / T 16917.1 (IEC 61009-1) residual current operated circuit breakers with over current protection for household and similar purposes (RCBO) - Part 1: General rules.
■ BM-50L series small residual current circuit breaker
■ BM-50LG series miniature circuit breaker with over current, leakage and over voltage protection