Automatic 30A 40A 50A 60A 70A 80A 100A 120A 150A 200A 250A 300A AMP Circuit Breaker Fuse with Manual Reset DC 12-42V Car Marine Boat Yacht RV Auto Power Protect Fuse Holder ProtectionFeature:High current thermal trip circuit breaker with manual reset switch for auxiliary DC electrical systems. Ideal for use in harsh environments such as racing cars to provide protection against current overloads or short circuits.A protective rubber cap prevents unwanted short circuits.Switchable surface mount circuit breakers are commonly used in auxiliary and accessory circuits for truck, bus, RV and marine systems.Sealed waterproofing is available in the engine compartment and bilge area.A manual trip switch can quickly disconnect the circuit in an emergency.Attachment Stud Dimensions - M6 x 2 - Nuts come with integral lock washers to prevent loosening due to vibration.Specification:Name: Fuse circuit protectorCircuit ratings: 30A, 40A, 50A, 60A, 70A, 80A, 100A, 120A, 150A, 200A, 250A, 300A (optional)Rated voltage: 12-42V DCInterruption Rating: 30V DCOperating temperature: 3000A 32C to 82CStorage temperature: -34C - 149CNumber of poles: 2Colour: BlackProduct weight: 86gMounting Hole (Stud) Dimensions: 6mm/1/4"-28 threads/inchDimensions: 74x49x44mm/2.91"x1.92"x1.73"Applicable: RV, yacht, agricultural vehicle, camper, etc.Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement. 1* circuit breaker DC 12-42V Automatic Circuit Breaker Fuse Reset for Car Marine Boat Yacht RV