Specification 30 Amp Circuit Breaker 12v Operating Voltage DC 12V 48V Waterproof IP 67 Meet SAE J1625 J1171 UL1500 Ignition Protected Widely used in marine and automotive circuits suitable for Boat Yacht Kayak RV Trailer Bus Truck Winches ATV solar system etc Protect the System from Electrical Damage These 12 volt circuit breakers are designed for protecting your boat trolling motor or vehicles from overload and shortcircuit damage prevents excessive current between battery and device for the great amp protection Manual Reset Function Unique disconnect button long handle resettable lever make the fuse circuit breaker become reusable and controllable This 30A DC breaker will trip when the system is overcurrent by reset lever automatically pop out to terminate the power and reset by pushing the reset bar back for reuse Can be used as a Kill Switch Made with Reliable Material Durable heatresistant plastic housing and silicone insulating cap for safer use Pure copper washers for expanding the contact area of the wire lugs increase the conductivity and better performance Easy SurfaceMount Bolipoeq 12v dc circuit breaker is surfacemount design simply mount them on panel or firewall hasslefree installation What you get 2 x auto 30 amp Breaker 4 x Wire Lugs 8 x Washers 6 x Mounting Screws