Features Enhanced WiFi SIGNS Reception: Built-in WiFi antenna ensures stable SIGNS transmission, preventing contact interference and maintaining a clean appearance. Reliable Server Support: Professional server provides dependable and secure background services for peace of mind. Extended Equipment Service Life: Withstands impulse voltage up to 6000V, effectively improving the service life even under overvoltage conditions. Maintenance Safety Lock Design: Specially designed circuit maintenance safety lock ensures safe and convenient maintenance procedures. Convenient Simultaneous Pairing: Supports simultaneous pairing of multiple products, providing convenient and fast integration. Specification: Item Type: Smart Circuit Breaker Material: PA66-DSM flame retardant shell Rated Voltage: AC 220V (± 20 V) Maximum Withstand Voltage of Shell: 400V Nominal Short Circuit Breaking Capacity: Nic: 6kA, Ics: 6kA Rated Impulse Withstand Voltage: 6000V Number of Poles: 2P Working Temperature: -25℃~+65℃ Protection : IP20 Mechanical Life: ≥10000 Times Electrical Life: ≥6000 Times aneous Trip Form: Type C Control Mode: Working mode, pairing mode Start Method: WiFi mobile phone APP for Tuya 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: Please install by professional electrician, otherwise there may be dangerous contacts. Package List 1 x Smart Circuit Breaker 1 x User Manual