300 AMP MRBF Terminal Block Fuse Holder Single Stud 5/16" (M8)

This 300 AMP MRBF Terminal Block Fuse Holder provides reliable overcurrent protection for high-capacity DC circuits. Designed with a compact single stud configuration, this fuse holder mounts directly to battery terminals or busbars, offering a waterproof and dustproof solution for inverters, battery banks, RVs, marine vessels, and other high-current DC power systems.

Key Features & Benefits

300 Amp Current Rating: Ideal for protecting high-capacity DC circuits, including inverters, large battery banks, windlasses, bow thrusters, and charging piles.

MRBF (Marine Rated Battery Fuse) Design: Compact, single stud design mounts directly to battery terminals or busbars, saving valuable space in tight electrical compartments.

IP66 Waterproof & Dustproof: Insulating cap prevents accidental short circuits and reduces the influence of environmental conditions on fuse holder performance, making it suitable for marine, RV, and outdoor applications.

High-Quality Materials: Constructed with a ceramic fuse body, PA66-RG303 thermoplastic holder, and tin-plated ring terminal surface for excellent protection, durability, and safety performance.

5/16" (M8) Single Stud: Compatible with standard battery terminals and busbar connections, simplifying installation in existing systems.

Max 58VDC Rating: Suitable for 12V, 24V, and 48V battery systems commonly found in solar installations, RVs, marine applications, and electric vehicles.

Wide Range of Applications: Used in new energy vehicles, RVs, cruise ships, cranes, batteries, charging piles, and other DC main power circuits requiring reliable circuit protection.

Technical Specifications

Please Note: Max voltage is 58VDC — suitable for 12V, 24V, and 48V systems. Always verify that the fuse rating matches your circuit requirements. Fuse is included. Suitable for DC applications only.