???Seamless Smart Home Integration??This 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 Features??Built 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 Design??With 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 Installation??Designed for hassle-free installation, the circuit breaker is compatible with a variety of mounting configurations (II, III installation categories) ???Smart Notifications and Alerts??Receive 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