Protects Car Audio and Video Systems: Prevents voltage spikes from damaging your equipment. Easy Installation: Simple and convenient to install on the panel or firewall. Manual Reset Arm: Easy to use, with automatic testing and manual coverage. High Sensitivity: Provides timely protection against overload or short-circuit current. Widely Used: Ideal for cars with speakers, dual battery systems, winches, and other high-current systems, offering protection against overload or short-circuit current. Features: Protects car audio and video systems, preventing voltage spikes from damaging your equipment. Easy and convenient to install on the panel or firewall. Manual reset arm is easy to use, with automatic testing and manual coverage. High sensitivity provides timely protection against overload or short-circuit current. Widely used for cars with speakers, dual battery systems, winches, and other high-current systems when using electricity, to provide protection against overload or short-circuit current. Specification: Material: Metal + Plastic Color: Black shell + Gray cover Optional Circuit Current: 50A, 100A, 200A, 250A, 300A Operating Mode: Electronic type Input Voltage: 12-42 VDC Circuit Breaker Speed: Normal circuit breaker speed Arc Extinguishing Capacity: Medium Installation: Easy to install, can be installed on any flat surface or wall Product Function: Overcurrent protection, overvoltage protection, current residual, overload protection Car audio/video system overload protection Automatic detection, manual reset Operating Temperature: -32°C-82°C Package List: 1 * Circuit Breaker