Item Type: DC Circuit Breaker Rated Voltage: DC500V Number of Poles: 2P Breaking Capacity: 4KA Ambient Temperature: -25-60 1For Circuit Protection: The DC circuit breaker is 2P design, mainly used to provide overload protection and short circuit protection for DC circuits or equipment. 2Flame Retardant Shell: The breaker shell is made of flame retardant materials, which is fire resistant and wear resistant, with high performance and safer use. 3Breaking Capacity: This photovoltaic air switch has a high breaking capacity up to 4KA and a rated voltage of DC 500V for a wide range of applications. 4Compact Size: The photovoltaic circuit breaker has a compact size, easy to install and disassemble, takes up little space, convenient and practical. 5Wide Application: The photovoltaic circuit breaker is easy to connect, can be used for circuit protection of household appliances and industrial equipment.The circuit breaker needs to match the power of the wires and electrical equipment, otherwise it will trip or the terminal will be burned out.1 x Circuit Breaker