Features Built-in WiFi Antenna: Enhances WiFi SIGNS transmission and reception, minimizing contact interference while maintaining a clean appearance, ensuring optimal performance in smart home setups. Professional Server: Reliable and secure background services provided by a powerful server, ensuring seamless and efficient remote control and monitoring of the circuit breaker from anywhere. Impulse Withstand Voltage: Withstands up to 6000V impulse voltage, effectively improving equipment lifespan under overvoltage conditions, offering long-term protection and durability. Security Lock: Specially designed circuit maintenance safety lock ensures safe and convenient operation, providing peace of mind when handling maintenance tasks. Easy Mobile Control: Conveniently control the circuit breaker via mobile app using WiFi and , enabling simultaneous pairing with multiple products for hassle- management of smart home devices. Specification: 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 : IP20 Mechanical Life: ≥10000 times Electrical Life: ≥6000 times aneous Trip Form: C Type Control Mode: Working mode, pairing mode Start Method: WiFi, for Tuya mobile phone APP remote switch, 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 Package List: 1 x Smart Circuit Breaker 1 x User Manual Note: Ask a professional electrician to install it, otherwise there may be danger of contacts. Package List 1 x Smart Circuit Breaker 1 x User Manual