Feature:1. Multiple Functions: DC circuit breaker protects electrical equipments from overload and short circuit, could also control and isolate, very practical.2. 4KA Breaking Capacity: The rated ultimate short circuit breaking capacity is 4000A, the rated current is 20A, rated voltage is DC 500V.3. High Sensitivity: Built in electromagnetic system, which trips immediately when short circuit occurs, ensures circuit safety.4. Wide Usage: 2P DC circuit breaker can be used for DC power supply system, ship power system, solar photovoltaic system and other DC systems.5. DIN Rail Installation: Miniature DC circuit breaker is modular designed, adopts 35mm DIN rail installation, you can install it easily and quickly.Specification:Item Type: 2P DC Circuit BreakerMaterial: Pa66Model: DZ47 B63Rated Current: 20ARated Voltage: DC 500VRated Ultimate Short Circuit Breaking Capacity (Household Icn): 4000APurpose: Solar photovoltaic, electric motorcycle, electric vehicleMechanical Life: 20000 timesApplicable Temperature: -35 to +70Feature: Type B (more sensitive than type C circuit breaker).Package List:1 x 2P DC Circuit Breaker