Seamless Smart Home IntegrationThis Zigbee-enabled smart circuit breaker allows for effortless integration with your IoT smart home system. Controlled via a mobile app, it supports real-time monitoring and remote operation, providing unparalleled convenience and safety Comprehensive Safety FeaturesBuilt with safety in mind, this circuit breaker features advanced short-circuit and surge protection capabilities, complying with GB/T 17626.5 standards for 4.0KV surge resistance Durable and Versatile DesignWith a rated current of up to 125A and adjustable instantaneous tripping forms (C type and D type), this circuit breaker is suitable for a wide range of applications User-Friendly InstallationDesigned for hassle-free installation, the circuit breaker is compatible with a variety of mounting configurations (II, III installation categories) Smart Notifications and AlertsReceive real-time alerts for abnormal conditions via the connected app. From detecting short circuits to monitoring operation logs, you can track and manage your electrical system effortlessly Specifications: Comply with standards: GB/T10963.1 NB/T 42149 Rated voltage: AC400V Rated frequency: 60Hz Number of poles: 4P Pollution level: Level 2 Protection level: IP20 Installation category: II, III Specified operating temperature: -25~+65 Rated current: 125A Instantaneous tripping form: Type C, Type D (special case) Rated short-circuit breaking capacity: 3kA Rated impulse withstand voltage: 3kV Mechanical life: more than 10,000 times Electrical life: more than 6,000 times EMC performance: in accordance with GB/T 18449 Surge withstand: in accordance with GB/T 17626.5 Voltage 4.0KV Salt spray withstand: in accordance with GB/T 2423.17 48h Dust withstand: in accordance with GB 4208 8h Package included: 1 x Circuit Breaker 1 x English and Chinese User Manual Other items not include