Features Remote Control: Enjoy the convenience of remote control with WiFi and Bluetooth connectivity, ensuring seamless operation even in the event of WiFi interference. Stable Working: Withstands 6000V impulse voltage, ensuring stable operation and a long service life, even under overvoltage conditions. Great Service: Benefit from powerful and professional cloud servers, providing reliable and secure background services for practical and efficient use. Easier Pairing: Quickly and conveniently pair multiple products in various specifications simultaneously, enhancing ease of use. Security Lock: Equipped with a safe lock, ensuring safe and simple electric maintenance while preventing contact interference for added safety. 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