Features Arc extinguishing: DC arc quenching is more difficult than AC The DC circuit breaker has a magnetic system for auxiliary arc extinguishing. Main Application This circuit breaker is used to protect the distribution equipment from overload and short circuit damage, it can also be used for control and insulation. Wide Application This DC circuit breaker is widely used for marine power systems, photovoltaic systems or other DC systems. Quick Trigger The electromagnetic trigger system can trigger immediately in case of short circuit to protect circuit safety. Easy Installation Due to the modular design and 35mm DIN rail installation method, the installation can be completed quickly. Specification: Item Type:DC Isolator Switch Mode: DZ47s 63Z. Material: PA66. Rated voltage: DC 500 V. Rated ultimate short circuit breaking capacity Icu: 6000A Package list: 1 circuit breaker. 1 x guide rail. 2 x screws Package List 1 x Circuit Breaker 1 x Guide Rail 2 x Screw