135Amp 12/24V Windlass IsolatorMaxwell circuit breaker/isolator panel, 135 Amp 12/24-volt, suitable for all 800 to 3500 Series 12V & 4000 24V windlasses.Features:For protection of the main conductor circuit for DC winches and the control circuit for hydraulic winchesMount as close as possible to the battery power source to ensure protection against short circuit and to reduce the risk of DC motor burn-out in the event of winch overloadingEnables the battery, or electrical supply, to be isolated when winch is not in useSuitable for 12V or 24V DC systems