Features Remote Control: Easily control the Circuit Breaker Smart WiFi Bluetooth 4P Remote Switch from anywhere using WiFi or Bluetooth connection, ensuring convenience and flexibility for users. Stable Working: Withstands voltage up to 6000V, ensuring stable and reliable operation, and an extended service life, even under overvoltage conditions, providing peace of mind to users. Great Service: Benefit from powerful and professional cloud servers, offering reliable and secure background services for a practical and efficient user experience. Easier Pairing: Simultaneously pair multiple products with quick and convenient pairing in various specifications, enhancing user convenience and compatibility. Security Lock: Equipped with a safety lock for safe and simple electric maintenance, while effectively preventing contact interference, ensuring user safety and ease of use. Specification: Item Type: Circuit Breaker Material: PA66-DSM Flame Retardant Shell Rated Voltage: AC 400V Nominal Short Circuit Breaking Capacity: nic: 6kA Ics: 6kA. Rated Impulse Withstand Voltage: 6000V Number of Poles: 4P Working Temperature: -25℃~+65℃ Protection Level: IP20 Mechanical Life: ≥10000 Times Electrical Life: ≥6000 Times Instantaneous Trip Form: Type C Control Mode: Working mode, pairing mode. Start Method: WiFi mobile phone APP remote switch, Bluetooth. Trip Method: Over current trip. Application Scope: For isolated island power supply, tower equipment, outdoor lighting, house power supply, field engineering, mountain facility, street light control. Package List: Item Type: Circuit Breaker Material: PA66-DSM Flame Retardant Shell Rated Voltage: AC 400V Nominal Short Circuit Breaking Capacity: nic: 6kA Ics: 6kA. Rated Impulse Withstand Voltage: 6000V Number of Poles: 4P Working Temperature: -25℃~+65℃ Protection Level: IP20 Mechanical Life: ≥10000 Times Electrical Life: ≥6000 Times Instantaneous Trip Form: Type C Control Mode: Working mode, pairing mode. Start Method: WiFi mobile phone APP remote switch, Bluetooth. Trip Method: Over current trip. Application Scope: For isolated island power supply, tower equipment, outdoor lighting, house power supply, field engineering, mountain facility, street light control. Note: Please install it by a professional electrician, otherwise there may be risks of electric shock. Package List 1 x Circuit Breaker 1 x User Manual