Comprehensive protection for 12-48 V DC systems - Broad compatibility: tailored for RVs, yachts and cars. This circuit breaker delivers reliable protection against overcharging and short circuits for a wide range of 12-48 V DC applications, from winches to solar installations. High current capacity with durable construction - Wide current ratings: available for devices from 30 A to 300 A. - Rugged performance: built with high quality materials designed to operate reliably. - Wide temperature range: rated for -30 °C to 85 °C. - Anti interference and adaptability: engineered to provide stable performance for high-power equipment. Easy operation and quick recovery - Protects the circuit by disconnecting on overload or short-circuit detection. - Manual reset button for fast restoration of power and continued circuit safety. Safety features for emergencies - Immediate disconnection: the manual trip switch enables quick separation of the circuit in sudden emergencies. - Secure mounting: M6x2 connection stud with an integrated locking ring for safe, reliable use. Use scenarios - Marine: protect winches, navigation lights, and battery charging circuits on a yacht or sailboat. - Recreational vehicle: safeguard solar charging systems, inverters, and battery banks in an RV. - Automotive: shield high-current accessories such as winches, air compressors, and other demanding loads in trucks or off-road vehicles. Notes - No alterations to original specifications, models or functions. This description reflects the stated compatibility, performance and safety features.