Description: Works with 5-50vDC Stops Power Surges from Damaging Your Amps Mount on Panel or Firewall Unique Push Button Reset can also be used as a Kill Switch High Tech water resistant housing Specification: Working Voltage: 5V-50V DC Current: 150 Amp Commonly used in the automobile industry, demo products, winch, dc power supply equipment, electric vehicles, chargers, motors and other electrical products over-current protection situations. Effect: prevent excessive current, protect the electrical appliance Material: poly Size: Approx. 8*5.2*4cm/3.1*2.0*1.6 Inch Package Includes: 1 Piece Circuit Breaker Reset Fuseholder