Circuit ProtectionProtective rubber caps prevent unnecessary short circuits.This car circuit breaker is used in protecting of car audio and video system, prevent power surges from damaging your equipment. Prevent car currents from being too high and damage automotive electronic equipment. Waterproof Design Unique button reset can also be used as a close switch. High-technology waterproof case, practical and durable in use.Ideal for use in harsh environments, like motorsport, to provide protection in the event of current overload or short circuit. Wide ApplicationsWidely used for Motor Car Marine Boat with 12-48V voltage input replacement. Switchable surface mount circuit breakers typically found in auxilliary and accessory circuits in trucks, buses, motorhomes marine systems.Please kindly confirm your original circuit type before purchasing. Easy to Use Manual reset arm is easy to operate, automatic testing and manual coverage. Simple and convenient to be installed on the panel or firewall. Customer Service Please feel free to contact us if you have any question. We will give you a satisfied reply in 24 hours. Specification 100% New with High Quality Circuit rating: 50A Voltage rating: 12-48V DC Interrupt rating: 3000A@30V DC Operating temperature: -32C to 82C Storage temperature: -34C - 149C Number of Poles: 2 Weatherproof rating: IP67 Color: Black Housing is thermal plastic UL rated 94V0 High Amp Ratings. Manual Reset Switch. Features High amp thermal trip circuit breakers with a manual reset switch suitable for use on auxiliary DC electrical systems. Ideal for use in harsh environments, like motor sport, to provide protection in the event of current overload or short circuit. Protective rubber caps prevent unnecessary short circuits. Switchable surface mount circuit breakers typically found in auxilliary and accessory circuits in trucks, buses, motorhomes marine systems. Sealed, waterproof unit suitable for use in engine compartments and Bilge areas. Manual trip switch enables quick disconnecting of the circuits in case of emergency. Connection Stud Size - M6 x 2 - Nuts supplied with integral lock washers to prevent loosening due to vibration. Packing Included2*Car Circuit Breaker Note 1.As different computers display colors differently, the color of the actual item may vary slightly from the above images. 2. Please allow 1-3 CM differs due to manual measurement. Thanks for your understanding.