Protect your circuit: 50 ampel circuit breaker design provides strong protection. It is used as a battery disconnection and circuit breaker. Strong circuit breaker: use new design, solid durability, waterproof.50 Ampi Insurance Wire Broken Router Pack passes professional electrical performance testing and aging testing to smooth opening/closing operations and reliable quality. Manual resetting design: Unique opening/closing restoration button, installed on the panel or firewall, no need to change the fuse frequently, which can be used as a termination switch. Uses: suitable for ships, cars and DC.Used for assistance and accessories, vehicles, car, yacht batteries, ATV, trailers, bus stranders.It can also be used for battery charging DC sound system. : Waterproofing can better prevent rust of metal components.Voltage 12-48 DC power, compatible with all 12V/24 V systems.Environmental temperature: -32 to 82 (-25 to 180), the accessories include the lines of the lines and the copper pad Power Rating:30A-300A Voltage:DC 12V - 48V (Max) Stud Size:1/4inch-28 weight:126.9g/0.28lb Operating Temperature:-32 to 8 (-25 to 180) Storage Temperature:-34 to 149 (-30to 300) Colour:Black Material:Plastic Size:74mm x 49mm x 45mm Package Contents: 1 * 50 amp breaker 2 * wire lugs 4 * copper washers 2 * Screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.