Satisfies ABYC 7"" circuit protection rule by mounting on a 3/8"" battery post, battery switch, or bus bar. The holder utilizes space saving ignition protected fuses for DC systems of 30-300Amp to a maximum of 58 volts
Features:

Appropriate for DC Main, inverter, windlass, and bow thruster circuit protection

Weatherproof – suitable for small open-cockpit boats and other harsh environments

Insulating cap prevents accidental shorts

Ignition protected when used with MRBF fuses

Fuses sold separately