Application: Used in Solar System, Battery Charges, Inverter, Car Audio Video System, Boat, Marine, Bike, RV and DC Sound Amplifier System Two modes, Current overload disconnection and manual disconnection, after the circuit is repaired, the switch turns ON and the fuse holder can be used again. This Circuit Breaker Protects The Amplifier From Damage By Overload Currents Or Voltages. It Also Protects The Power Supply From Short-Circuiting And Causing The Battery To Rupture And Explode. Car Audio Circuit Breaker Voltage 12-24V DC,Ampere 60A Inline Fuse Holders Use of Alloy Materials, Waterproof Housing, Good Conductivity, Temperature and Pressure Resistance, Maximum Protection of Your Electrical Equipment.