•【Smart WiFi Control】Tuya smart circuit breaker offers remote control and monitoring through WiFi connectivity, enabling seamless integration with smart home systems •【High Short-Circuit Protection】Features a 6kA rated short-circuit breaking capacity, ensuring robust protection against electrical faults •【Durable Performance】Boasts a mechanical life of over 10,000 operations and an electrical life exceeding 6,000 operations for long-term reliability •【Enhanced Safety Features】Equipped with a 6kV rated impulse withstand voltage and C-type instantaneous tripping for improved safety •【Environmental Resilience】Designed 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: 50mm² •Tightening Torque: 4-5Nm Package included: •1 x Circuit Breaker •1 x English and Chinese Manual