Product Details: Outfit your truck to be ready for the journey ahead with advanced electrical system protection, with the OTR 12V 60-Hi-Amp Circuit Breaker with Expertise Built In™. With an advanced design, this replacement component works to automatically cut the power in a circuit when an excess flow of amps is detected, preventing potential damage or overheating in various devices. Manufactured with simple controls that allow for manual resetting unlike traditional fuse boxes that require new components each reset. FleetPride is your First Click in Heavy Duty®.