About this item The 150 ampere automotive marine circuit breaker has undergone professional electrical performance testing and aging testing, which can prevent power surges from damaging your amperes when the system is over powered or short circuited. The surface Mount circuit breaker 150A combines switching and circuit protection into a single device, manual reset arm is easy to operate, automatic testing and manual coverage. Fuse Inverter 150A meets S.A.E. J1625, J1171, UL1500 (Ignition Protected) Housing is thermalplastic UL rated 94V0. “Trip Free” design cannot be held “ON” during fault current condition; Terminal Size: 5/16″-18. This Thermal Circuit Breaker 150A is made of alloy material and waterproof housing including waterproof cap, splash and dust proof, strong electrical conductivity, high temperature and pressure resistance.