3P Smart Circuit Breaker WIFI Bluetooth Remote Control Leakage Protection Switch AC 400V20A Item Type: Smart Circuit Breaker Material: PA66 flame retardant shell Rated Voltage: AC 400V Nominal Short Circuit Breaking Capacity: Nic: 6kA, Ics: 6kA Rated Impulse Withstand Voltage: 6000V Number of Poles: 3P Working Temperature: -25℃-+65℃ Protection Level: IP20 Mechanical Life: ≥10000 times Electrical Life: ≥6000 times Instantaneous Trip Form: C Type Control Mode: Working mode, pairing mode Start Method: WiFi, for Tuya mobile phone APP remote switch, Bluetooth Trip Method: Over current trip Application Scope: Isolated island power supply, tower equipment, outdoor lighting, house power supply, field engineering, mountain facilities, street light control