The TBC1LE series high breaking small leakage circuit breaker (hereinafter referred to as the "RCB0") is a small leakage circuit breaker with leakage , overload , and short circuit protection . It is suitable for AC 50/60Hz (60Hz) rated working voltage up to 230V/400V, and rated current up to 125A lines with leakage , overload , and short circuit protection functions . It is used for protection in building lighting and distribution systems .

It is also used for personal safety and equipment leakage protection . Advanced electronic circuit design , unique filtering device and SMT process , high antiinterference performance , can effectively prevent false actions caused by instantaneous voltage changes and surge currents