Feature: 1. High Breaking Capacity: Small circuit breaker has advanced structure, reliable performance, high breaking capacity, beautiful and compact appearance, etc. 2. Impact Resistant: Our interlocking changeover circuit breaker housing and parts are made of impact resistant and high flame retardant materials. 3. Leakage Protection: The circuit breaker can be used as a hand operated miniature double power conversion switch with many stage circuit breaker and interlocking mechanism to realize the main circuit and auxiliary circuit with leakage protection function simultaneously. 4. Wide Application: The circuit breaker is very suitable for places where power failure is not allowed, such as fire fight, hospitals, skyscrapers, construction markets, banks, networks, etc. 5. Convenient Installation: Reasonable and reliable design, quick operation, simple and convenient installation with standard guide rail. Specification: Item Type: Interlocking conversion circuit breaker Material: PVC Rated Voltage: AC400V Frequency: 50Hz Number of Poles: 4P+4P Segmentation Capacity: 6000A (16A, 32A), 4500A(63A) Electrical Life: Not less than 10,000 times Mechanical Life: Not less than 20,000 times Temperature and Heat Test: 2 types (temperature at 55, relative humidity 95%). Package List: 1 x Interlocking Conversion Circuit Breaker Note: When the ordinary power supply fails, the backup power supply (not included) or generator (not included) can be transferred manually to ensure the reliability and safety of the power supply.