Blue Sea Systems MRBF Terminal Fuse - 125A
SKU BLUE-5184
- Amperage
- 125A
- Ignition Protected
- Yes
- Maximum Voltage
- 58V DC
- Interrupt Capacity
- 10000A @ 14V DC; 5000A @ 32V DC; 2000A @ 58V DC
- Weight
- 0.06lb (0.03 kg)
- Voltage
- 58V DC
- Function
- Marine Rated Battery Fuses
- Fuse Type
- MRBF
Stocked items typically ship the next business day from our US warehouse. 30-day returns on unused stocked items. Exclusions apply. Return policy · Shipping policy
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About this product
MRBF Terminal Fuse - 125A. Requires the use of Terminal Fuse Blocks PN 5191 or PN 2151—do not mount the fuse directly to the battery terminal. Interrupt rating satisfies ABYC requirements for DC Main circuit protection on large battery banks.
Key features
- Requires the use of Terminal Fuse Blocks PN 5191 or PN 2151—do not mount the fuse directly to the battery terminal
- Interrupt rating satisfies ABYC requirements for DC Main circuit protection on large battery banks
- Ignition protected—safe for installation aboard gasoline powered boats
- Clear window—visual indication of blown condition
- Color coded for each amperage
For installation planning, check the manufacturer's ratings: amperage: 125A; maximum voltage: 58V DC.
Manufacturer part 5184. Confirm the circuit rating, mounting arrangement, and required accessories against the manufacturer specifications before selecting this part.
Manufacturer specifications
- Amperage
- 125A
- Ignition Protected
- Yes
- Maximum Voltage
- 58V DC
- Interrupt Capacity
- 10000A @ 14V DC; 5000A @ 32V DC; 2000A @ 58V DC
- Weight
- 0.06lb (0.03 kg)
Product details
- Voltage
- 58V DC
- Function
- Marine Rated Battery Fuses
- Fuse Type
- MRBF
- Device Type
- Marine Rated Battery Fuses
- Manufacturer
- Blue Sea Systems
- Product Type
- Marine Rated Battery Fuses
- Voltage Rating
- 58V DC
Shipping & returns
- Stocked items typically ship the next business day from our US warehouse.
- 30-day returns on unused stocked items. Exclusions apply. See policy
- Custom and quoted items are non-returnable once production begins.
Warranty
Backed by the original manufacturer’s warranty plus our workmanship guarantee on assembled harnesses. Contact us with your invoice and we’ll coordinate any covered repair or replacement.
Read the full warranty termsTechnical support
Need help choosing the right part?
Our marine electrical team can review your setup and recommend compatible products. Send a photo, a sketch, or your circuit list and we'll come back with a parts list that fits the boat.
Certifications & training
- ABYC-aware build practices
- OEM-grade marine wire & terminals
Additional capabilities are based on hands-on experience building marine wiring systems rather than third-party certification.
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Why buy from Common Ground Marine
- 20+ years building marine wiring harnesses, panels, and shore-power systems.
- Engineers — not a phone tree — review every custom build before parts are cut.
- OEM-grade components: tinned copper, sealed connectors, marine-rated jackets.