Features: With mechanical / electronic double locking function. Work status is indicated by LED. Can be matching with RCCB,remote switching and splitting of RCCB. With manual / automatic selectors switches. Automatic switches on distribution board when electric trip happen. Built-in 3 reclosing time, continuous closing failure within 15 minutes can send alarm through auxiliaries contact. Can be widely used in power grids terminals line, such as meter box, new energies circuit management, solar control box, intelligent electricity, intelligent home, new energies vehicle charging pile, and so on. Specifications: Materials: Plastic Remaining current: 30mA/100mA/300mA (optional) Voltages: 230V Current: 40Amp Polars Number: 2P Package Includes: 1pc Circuit Breaker note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.