South Bend Components Class T Fuse Holder 225A–400A Heavy-Duty OEM Replacement for RV, Marine & Solar

South Bend Components Class T Fuse Holder is a heavy-duty OEM replacement designed to secure Class T fuses rated between 225A and 400A for automotive, RV, marine, and solar power systems.

This Class T fuse holder from South Bend Components is built to accept large-format fuses and to integrate with existing OEM installations. It’s compatible with a wide range of manufacturers and systems, making it a practical choice when you need a reliable holder that matches factory fitment and common aftermarket layouts. The unit is used by major RV builders and suits high-current DC applications where space, connection integrity, and heat management matter.

What kind of fuses and current ratings does this holder support?

The holder accepts Class T fuses sized for heavy-current protection and is specified for fuse ratings from 225 amps up to 400 amps. It works with standard Class T fuse dimensions and secures the fuse in place to maintain firm electrical contact under vibration and temperature changes. Use it wherever a Class T fuse is the recommended protective device.

• Compatible fuse type: Class T (large-format high-current fuses)
• Supported ratings: 225A, 250A, 300A, 350A, 400A
• Designed for high-current DC systems in vehicles and fixed installations

How does this holder integrate with other brands and OEM systems?

This part is an OEM-style replacement made to fit common factory and aftermarket layouts. It’s sized and terminated to match applications found in Blue Sea, Go Power, Bussman, and Mersen equipment, reducing the need for adapter hardware. That compatibility streamlines swaps and repairs in systems originally specified with those manufacturers.

• Original OEM replacement for South Bend Components
• Fits Blue Sea, Go Power, Bussman, and Mersen corresponding sizes
• Direct fit option for many factory-installed panels in RVs and boats

Where is this fuse holder typically used and what environments can it handle?

The holder is intended for automotive, RV, marine, and solar applications where high-current protection is required. It’s commonly used as OEM material in RVs built by manufacturers such as Thor and Forest River. The design prioritizes secure connections and tolerance to vibration and operational heat found in mobile and outdoor power systems.

• Common uses: RV distribution panels, marine power banks, off-grid solar arrays, automotive heavy-current circuits
• Installed as OEM component in Thor and Forest River RVs
• Built to resist vibration and maintain contact integrity under load

What should I check before replacing an existing fuse holder with this one?

Verify the physical dimensions, terminal style, and the Class T fuse size used in your system to ensure a proper fit. Confirm that the electrical rating matches or exceeds the circuit’s required protection level. If the original holder came from a specific brand, check mechanical mounting points and wire termination to avoid fitment issues.

• Measure mounting hole spacing and terminal types against the old holder
• Confirm fuse amperage and Class T physical size before ordering
• Inspect nearby components for heat exposure or corrosion during replacement

Who this is for: installers, RV owners, marine technicians, and solar system builders who need a rugged, OEM-compatible Class T fuse holder for 225A–400A fuses. It’s particularly useful when restoring factory layouts or upgrading protection in high-current DC circuits where compatibility with Blue Sea, Go Power, Bussman, or Mersen equipment matters.