Feature 1 WiFi Antenna: Built in WiFi antenna, under the premise of enhancing the stable sending and receiving of WiFi signals, keep the appearance clean and prevent contact interference 2 Cloud Server: The smart circuit breaker has a powerful professional cloud server, which can provide you with reliable and safe background services 3 Withstand Voltage 6000V: Impulse withstand voltage 6000V, to ensure that the service life of the equipment can be effectively improved even under overvoltage conditions 4 Safety Lock Design: This smart circuit breaker adopts a maintenance safety lock design, which is specially designed for circuit maintenance safety locks, which is safe and convenient 5 Simultaneous Pairing: This is a circuit breaker that supports simultaneous pairing of multiple products. All specifications support simultaneous pairing, which is convenient and fastItem Type: WiFi Smart Circuit BreakerMaterial: PA66-DSM Flame Retardant ShellRated Voltage: AC 220V ( 20 V)The Maximum Withstand Voltage of the Shell: 230VNominal Short Circuit Breaking Capacity: Nic: 6kA Ics: 6kARated Impulse Withstand Voltage: 6000VNumber of Poles: 1PWorking Temperature: -25~+65Protection Level: IP20Mechanical Life: 10000 TimesElectrical Life: 6000 TimesInstantaneous Trip Form: C Type Control Mode: Working Mode, Pairing ModeStart Method: WiFi Mobile Phone APP Remote Switch, BluetoothTrip Method: Over Current TripApplication Scope: for isolated island power supply, tower equipment, outdoor lighting, house power supply, field engineering, mountain facilities, street light control Package List1 x Smart Circuit Breaker 1 x User Manual NotePlease install by professional electrician, otherwise there may be dangerous contacts