1Integrated structure, made of flame retardant material which can protect chip 2All copper contacts have excellent conductivity and load more current 3Widening handle with isolation function, it is user-friendly design 4Installation method can be horizontal and vertical, easy to install 5It is used to distribute power and protection lines and power equipment from damage caused by overload, short circuit, under voltage, etc. It can also perform infrequent line switching and infrequent starting of the motor as well as overload, short circu
