Description: Add safety and cost effectiveness to your electric system with this re-settable DC circuit breaker. Works on Cars, RV's, Solar Systems and more (DC current 12/24/32V). Simple reset switch and test button,fits upto a 4 Gauge Wire (8mm max). Course threaded gold plated grub screws to solidly secure wires. Gold Plated for best conduction. Specification: Material: Alloy Size: 85x42x30mm Package Includes: 1PCS 60A Fuse Holder Fuseholder Block