Features： 1、Overload and Short Circuit Protection: Our 4P circuit breaker is applied to defend power distribution facilities from overload and short circuit damage, and also for control and isolation. 2、Tripping: This circuit breaker's electromagnetic tripping system can be tripped immediately when the circuit is short circuited to ensure circuit safety. 3、Arc Extinguishing: Usually DC arc extinguishing is more difficult than AC. However, our DC circuit breaker has a magnetic system to assist in arc extinguishing. 4、Installation Method: This 4P miniature circuit breaker has a modular structure, screw clamp wire, and can be installed on 35mm(1.4in) DIN rail. 5、Wide Range of Application: The 4P miniature circuit breaker is used for DC power systems, marine power systems, solar photovoltaic systems or other DC systems. Specification： Item Type: Circuit Breaker Model: DZ47s 63Z Material: Pa66 Rated Current: 50A Rated Voltage: DC1000V Rated Limit Short Circuit Breaking Capacity (Household Icn): 6000A Use: Solar photovoltaic special, electric motorcycle, electric car special. Mechanical Life: 20000 times Applicable Temperature: -35℃ to +70℃ Package List： 1 x Circuit Breaker