1Feature: This series of leakage circuit breaker is mainly used for leakage, overload, short circuit and over voltage protection of rated current circuit at 50/60Hz 2Safe Use: When someone is electrocuted or the leakage current exceeds the rated value, the product can quickly cut off the current fault within 0.1s to protect safety and prevent leakage 3Avoid: Avoid equipment accidents caused by current, also used for infrequent interrupts and conversions 4Mainly Used: Mainly used for building normal operation of power distribution protection 5Functions: Overload protection, short circuit protection, leakage protection, isolation function, contact position indication function, fault trip indication