Features Remote Control: Enjoy the convenience of controlling your circuit breaker switch through both WiFi and connections, ensuring seamless operation even in the event of WiFi interference. Stable Working: With an impulse withstand voltage of 6000V, this 4P circuit breaker promises stable operation and a long service life, even under overvoltage conditions, providing reliable protection for your home. Professional Services: Benefit from powerful and professional servers that offer reliable and safe background services, ensuring practical and efficient performance for your peace of mind. Easier Pairing: Easily pair multiple products with different specifications simultaneously, enabling quick and convenient setup for your specific needs. Security Lock: Equipped with a safety lock, this circuit breaker ensures safe and simple electric maintenance, while also preventing contact interference for added security. 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 : 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 remote switch, . 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: 1 x Circuit Breaker 1 x User Manual Note: Please install it by a professional electrician, otherwise there may be s of electric shock. Package List 1 x Circuit Breaker 1 x User Manual