1.FUNCTIONS: This solar disconnect switch used to protect power distribution facilities from overload and short-circuit damage, and can also be used for control and isolation. 2.FAST TRIP: The electromagnetic trip system can trip immediately when the circuit is short-circuited to protect the safety of the circuit. 3.ARC EXTINGUISHING: DC arc extinguishing is more difficult than AC. This DC mini circuit breaker has a magnetic system to assist arc extinguishing. 4.APPLICATION: Used in DC power system, ship electric power system, solar photovoltaic system, or other DC system. 5.INSTALLATION: Screw clamp wires, 35mm DIN rail mount. This circuit breaker is used to protect power distribution facilities from overload and short-circuit damage, and can also be used for control and isolation.