Features MULTIPURPOSE This DC circuit breaker can protect the electrical equipment from overload and short circuit, also control and isolate, very convenient. High Sensitivity Our device has a built-in high-sensitivity electromagnetic system, which will trigger immediately in case of short circuit and helps to extinguish the arc effectively to ensure circuit safety. Wide application: you can use this circuit breaker in different fields, e.g. DC power systems, marine power supply systems, solar photovoltaic systems and other DC systems. Strong Breaking Capacity The rated short circuit breakdown capacity of the DC circuit breaker is 6000A, the rated current is 40A, the rated voltage is DC 750V. 35mm DIN Rail Installation The unit is easy to install in any place, with simple modular structure and DIN rail installation. Specification: Item Type:3P DC Circuit Breaker Material: PA66. Rated current: 40 A. Rated voltage: DC 750 V. Rated ultimate short circuit breaking capacity (household icn): 6000 A Purpose: solar photovoltaic, electric motorcycle, electric vehicle Mechanical life: 20000 times. Applicable temperature: -35°C to +70°C. Package list: 1 x 3P DC circuit breaker. Package List 1 x 3P DC Circuit Breaker