Smart WiFi ControlTuya smart circuit breaker offers remote control and monitoring through WiFi connectivity, enabling seamless integration with smart home systems High Short-Circuit ProtectionFeatures a 6kA rated short-circuit breaking capacity, ensuring robust protection against electrical faults Durable PerformanceBoasts a mechanical life of over 10,000 operations and an electrical life exceeding 6,000 operations for long-term reliability Enhanced Safety FeaturesEquipped with a 6kV rated impulse withstand voltage and C-type instantaneous tripping for improved safety Environmental ResilienceDesigned to withstand harsh conditions, including salt spray (48h) and dust exposure (8h), ensuring consistent performance Specifications: Standard Compliance: GB/T10963.1, IEC60898-1 Rated Voltage: AC400V Rated Frequency: 50Hz Pole Configuration: 4P Pollution Degree: 2 Protection Class: IP20 Installation Category: II, III Operating Temperature: -25 to +65 Frame Size Rated Current: 80A, 125A Rated Current Options: 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A Instantaneous Tripping Type: C Rated Short-Circuit Breaking Capacity: 6kA Rated Impulse Withstand Voltage: 6kV Mechanical Life: Over 10,000 operations Electrical Life: Over 6,000 operations EMC Performance: Complies with GB/T 18449 Surge Withstand: Complies with GB/T 17626.5, 4.0KV voltage Salt Spray Resistance: Complies with GB/T2423.17, 48h Dust Resistance: Complies with GB 4208, 8h Maximum Wiring Capacity: 50mm Tightening Torque: 4-5Nm Package included: 1 x Circuit Breaker 1 x English and Chinese Manual