150 Amp Circuit Breaker ,Type III , Manual Reset and Switch Button 12V-48VDC ; Housing is thermalplastic UL rated 94V0,Waterproof IP67 Interrupt Capacity : 2,500A @ 14Vdc ,1,500A @ 48Vdc,Operating Temperature:-32ºC (-25ºF) to 82ºC (180ºF) Compact and lightweight design,Meet S.A.E. J1625, J1171, UL1500 (Ignition Protected) Typically used in auxiliary and accessory circuits in truck, bus', RVs and marine applications. Others include battery charger and DC audio system.