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MRBF Fuse 12-48v - 250A
MRBF Fuse 12-48v - 250A
SKU:CVB-MRBF-250
In stock
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MRBF Fuse 12-48v - 250A
📝 MRBF Fuse 12–48v – 250A
The MRBF Fuse 12–48v – 250A is a marine-rated battery terminal fuse designed to protect high-current battery circuits such as inverter feeds, main distribution lines, and auxiliary battery interconnects. Mounted directly at the battery terminal, it delivers fast, reliable protection against short circuits and overloads in 12v, 24v, and 48v systems.
Its compact terminal-mounted design and ceramic insulating body make it ideal for marine, RV, motorhome, and off-grid power installations where space, safety, and reliability are essential.
⭐ Essential Benefits
• 250A current rating – ideal for high-draw inverter and distribution circuits.
• Direct battery terminal protection – protects wiring at the source and reduces voltage drop.
• Wide system compatibility – suitable for 12v, 24v, and 48v systems (rated up to 58v).
• Compact footprint – perfect for tight battery compartments.
• Ceramic insulating body – excellent thermal stability and electrical isolation.
• M8 terminal stud – supports clean terminal stacking and secure connections.
⚙️ Functionality
This MRBF fuse installs directly onto the battery terminal to protect downstream wiring and connected equipment. If current exceeds 250 amps, the fuse safely opens the circuit to prevent cable damage, battery faults, or electrical hazards.
Mounting the fuse at the battery helps maintain a clean, professional layout while improving overall system safety.
🔌 Compatibility
• 12v, 24v, and 48v DC electrical systems
• Marine battery systems
• RVs, motorhomes, and caravans
• Off-grid and auxiliary battery banks
• High-current inverter and distribution circuits
🧰 Installation Difficulty
🟢 2/5 (Easy)
Installs directly onto battery terminals using standard M8 hardware.
🔍 Features
• Marine rated MRBF design
• 250 amp current rating
• Ceramic insulating body
• Isolated stud construction
• Standard M8 (5/16") terminal stud
• Compact, space-efficient form factor
📊 Specifications
| Specification | Value |
|---|---|
| Fuse type | MRBF (Marine Rated Battery Fuse) |
| Rated current | 250A |
| Voltage rating | Up to 58v DC |
| System compatibility | 12v / 24v / 48v |
| Terminal stud | M8 (5/16") |
| Insulating body material | Ceramic |
| Weight | 0.07kg |
| Mounting | Battery terminal |
| Compliances | ISO 8820-6, DIN 72581-5 |
📦 What’s Included
• 1 × MRBF battery terminal fuse (250A)
🙌 Why Choose This Product
This 250A MRBF fuse provides dependable protection for high-current battery circuits while maintaining a compact, professional battery layout. Its ceramic insulation and marine-rated design make it well suited to demanding electrical systems.
🚀 Our Promise
Order today for same-day dispatch and protect your battery system with reliable, marine-rated circuit protection.

Our Commitment
At Campervan Builders, our commitment is simple: we only supply quality campervan, caravan, motorhome, and RV parts that we’ve personally tested in real off-grid conditions. From interior LED lighting to Starlink 12V conversion kits, every product is chosen for reliability, durability, and ease of installation. We back this with fast shipping Australia-wide, friendly support, and honest advice to help DIY builders and professionals alike. When you shop with us, you’re choosing proven gear that keeps you connected and comfortable on every adventure.
















