The built-in accessories of the home split meter ready board box mainly include leakage protector, circuit breaker, overvoltage and undervoltage protector, which are introduced below.

Leakage protector: it is mainly used for leakage protection to avoid leakage accidents and protect personal safety. It is installed behind the main line switch in the home by using a guide rail.

Circuit breaker: it is mainly used for over-current or overload or short circuit protection to avoid accidents such as fire. It is also installed on the main line and branches of power distribution in the way of guide rail.

Overvoltage and undervoltage protector: it is mainly used for power supply overvoltage and undervoltage protection to prevent electrical appliances from burning out due to too high or too low voltage. It is usually installed behind the household main line switch or the branch line switches using the guide rail installation method.