1、Built in WiFi Antenna: This smart circuit breaker has built in WiFi antenna, which enhances the stability of WiFi transmission and reception while maintaining a clean appearance and preventing contact interference. 2、Good Performance: The impulse withstand voltage of this WiFi circuit breaker is 6000V, ensuring that it can effectively improve the service life of the equipment even under overvoltage conditions, and is safe and reliable. 3、Less Interference: This circuit breaker has good anti electromagnetic interference performance, has undergone electrical fast transient pulse group immunity test, surge test, electrostatic discharge test, etc. 4、APP Remote Control: This 4P smart circuit breaker supports remote control of mobile phones, supports for Tuya APP, and a powerful cloud server to provide you with safe and reliable backend services. 5、PA66 Material: This circuit breaker is made of excellent PA66 material, which has good flame retardancy, high temperature resistance, and can be used in various environments with a long service life. Item Type: WiFi Circuit Breaker Compliant Standard: GB/T 10963.1 IEC 60898-1 Rated Frequency: 50/60Hz Pole Number: 4P Pollution Level: 2 Level Protection Level: IP20 Installation Category: II, III Designated Working Temperature: -25-65℃ Frame Rated Current: 80A, 125A Rated Current: 100A Instantaneous Release Type: C Rated Short Circuit Breaking Capacity: 6kA Mechanical Life: Over 10000 Times Electrical Life: Over 6000 Times Salt Spray Resistance: Complies with GB/T 2423.17 48h Dustproof: Complies with GB 4208 8h Maximum Wiring Capacity: 50mm² Tightening Torsion: 4-5Nm 1 x Circuit Breaker 1 x User Manual