Feature: 1. BUILT IN WIFI ANTENNA: Enhances WiFi transmission stability while maintaining a simple appearance, the circuit breaker prevents interference from contact. 2. EXCELLENT PERFORMANCE: Withstands voltage shock up to 6000V, the circuit breaker ensures extended lifespan even under overvoltage conditions. 3. DURABLE AND INTERFERENCE FREE: Tested for electromagnetic interference resistance, electrical transients, surges, and electrostatic discharges, ensuring exceptional durability and interference resistance. 4. FIREPROOF PA66 MATERIAL: Made from flame retardant PA66 material, the circuit breaker ensures enhanced safety and peace of mind. 5. EASY TO INSTALL: Comes with a small and compact size, the smart circuit breaker is easy to install for convenient use. Specification: Item Type: 1P Circuit Breaker Material: PA66 Flame Retardant Compliance: For GB T 10963.1 IEC 60898 1 Rated Frequency: 50 60Hz Poles: 1P Pollution Degree: 2 Protection Level: IP20 Installation Category: II, III Specified Operating Temperature: -25℃ to +65℃ Frame Rated Current: 80A, 125A Rated Current: 125A Instantaneous Trip Type: C Rated Breaking Capacity: 6kA Rated Withstand Impulse Voltage: 6kV Mechanical Life: Over 10,000 cycles Electrical Life: Over 6,000 cycles EMC Performance: Complies with for GB T 18449 Surge Withstand Capability: Complies with for GB T 17626.5 Voltage 4.0KV Salt Spray Resistance: Complies with for GB T 2423.17, 48h Dustproof Rating: Complies with for GB 4208, 8h Maximum Wire Connection Capacity: 50mm² Tightening Torsion: 4 to 5 Nm . Package List: 1 x Circuit Breaker 1 x User Manual