Feature: 1. Control the Circuit: This circuit breaker has the functions of timing for mobile phones, global remote control and time delay for circuit. 2. Safe to Use: This circuit breaker has overload, short circuit and isolation protection functions, use it with confidence 3. Wifi Connection: The circuit breaker can be controlled by voice through intelligent terminal and WiFi, making operation more convenient. 4. Wide Application: This circuit breaker can be used to remote control many electrical appliances, such as water pumps, floor heating equipment, etc. 5. PC Material: Made of PC material, this circuit breaker is flame retardant, oxidation resistant, corrosion resistant, possesses long service life. 6. Rail Installation: Adopts rail installation method, the circuit breaker is small and lightweight as well, the easy installation can be quickly completed. Specification: Item Type: Circuit Breaker Material: PC Number of Poles: 4P Rated Voltage: AC400V Pollution Level: Level 2 Protection Grade: IP20 Installation Category: Class II and III Specified Operating Temperature: - 25 ℃ to +65 ℃ Rated Current of Enclosure Class: 125A Frequency: 50HZ Instantaneous Tripping Form: C Rated Short Circuit Breaking: 6kA Rated Impulse Withstand Voltage of Capacity: 6kV Mechanical Life: More Than 10000 Times Electrical Life: More Than 6000 Times. Package List: 1 x Circuit Breaker (Appearance Silkscreen Random)1 x Manual Note: When maintaining lines and equipment, you must cut off the main power supply to prevent others from controlling your phone.