Update your semi truck with enhanced protection against overpowered or blown circuits, with the Cole Hersee MINI 30A Standard and Smart Glow Blade Fuse that ensures you're Ready for the Road Ahead. Thanks to its ability to melt when a circuit exceeds a certain power level, this replacement component is able to break the flow and prevent further damage to other locations in the circuit. Crafted with an easy to install design that quickly plugs into fuse boxes. FleetPride is your First Click in Heavy Duty.