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Ask PYS - Why Should I Use Marine Rated Battery Fuses (MRBFs) on my Boat?

19. september 2020 · 2 min · 4K visninger

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Marine Rated Battery Fuses (MRBFs) provide critical protection for both electrical appliances and the entire length of the wire run by initiating the fuse at the battery terminal.1:29 Many boat owners mistakenly believe fuses only protect the appliance and can be placed anywhere along a circuit, such as near a VHF radio.0:46 This approach leaves the majority of the wiring unprotected in the event of a short circuit. Installing an MRBF directly at the battery source ensures that the entire circuit, including the wiring hidden within the vessel's chassis, remains protected from overcurrent.1:29 This configuration is particularly important for older vessels, such as a 1978 Taiwanese trawler, where the condition of existing wiring may be unknown.0:10 Placing the fuse at the start of the circuit serves as a primary safety measure for the boat's entire electrical system.

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