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Description
MRF2913-300 MARINE FUSE CERAMICCross References Brand Manufacturer Part Number Blue Sea Systems 5191 Bussmann MRBF 300, BK MRBF 300 CTO USA (Main Product) MRF2913 300 Littelfuse 0581300, 581300, 0581300. X Technical Specifications Feature Details Value Product Name Marine Rated Battery Fuse (MRBF) Ceramic Cube Fuse Product Code MRF2913 300 Amperage Rating 300 Amps (300A) Maximum Voltage Rating 58V DC Interrupt Rating 10,000A @ 14V DC 5,000A @ 32V DC 2,000A @ 58V DC Fuse Body
Cross References
| Brand / Manufacturer | Part Number |
|---|---|
| Blue Sea Systems | 5191 |
| Bussmann | MRBF-300, BK/MRBF-300 |
| CTO USA (Main Product) | MRF2913-300 |
| Littelfuse | 0581300, 581300, 0581300.X |
Technical Specifications
| Feature | Details / Value |
|---|---|
| Product Name | Marine Rated Battery Fuse (MRBF) / Ceramic Cube Fuse |
| Product Code | MRF2913-300 |
| Amperage Rating | 300 Amps (300A) |
| Maximum Voltage Rating | 58V DC |
| Interrupt Rating | 10,000A @ 14V DC / 5,000A @ 32V DC / 2,000A @ 58V DC |
| Fuse Body Material | Heavy-Duty Weatherproof Ceramic Housing |
| Terminal Material | Tin-Plated Copper Alloy Core Elements |
| Product Group | Starters / Alternators / Electrical - Components - Fuses |
| Category | Marine Fuses |
| UPC Code | 402500980224 |
| Item Gross Weight | 0.062 lbs |
| Status | Active |
Applications & Compatibility Guide
| Category | Usage & Universal Compliance Guidelines |
|---|---|
| Recommended Use | • Specially engineered for high-current protection in space-constrained marine and heavy automotive electrical environments. Ideal for primary main battery terminal branch protection, large power inverters, high-output alternators, heavy-duty windlasses, and bow thruster circuits. |
| Universal Compatibility | • Universally compatible with standard single, dual, or triple post MRBF (Marine Rated Battery Fuse) terminal blocks, holders, and mounting bars. • Widely utilized in commercial watercraft, recreational yachts, off-grid solar power battery banks, specialized fleet service trucks, RV master disconnect networks, and heavy machinery auxiliary power modules. |
| Purpose & Function | • Acts as a critical high-amperage, fast-acting circuit barrier directly at the battery source to prevent devastating main wiring harness damage or localized thermal failure loops. • Features an ignition-protected design (complying with SAE J1171 standards) that safely isolates internal electrical arcs, making it entirely safe for installation within enclosed marine engine compartments and spaces containing gasoline or diesel fuel environments. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 4
Nice earrings
Color: Silver, Size: 24 mm
These earring are beautiful. I like how they sparkle. They are very comfortable. I gave them 4 stars because I feel like the clasp closure is a bit loose. It still closes but I noticed one closure is looser than the other. I love the size of them, They are not too big but they are not small either. I feel like they are the prefect size. I like the thickness of them and make a great statement piece. I get compliments on them. I recommend.
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Reviewed in the United States on March 24, 2025
★★★★★ 3
Heavy Earrings
Color: Silver, Size: 19 mm, Color: Silver, Size: 19 mm
While quite beautiful, my wife complains that they are a bit heavy for her ears and cause her pain. The inner glass circle is removable and has helped alleviate the weight on her ears. However, that was the reason she chose these earrings. If she takes that off, she is left with plain silver hoops, which she didn’t want.
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Reviewed in the United States on April 3, 2025
★★★★★ 4
very pretty, sparkly
Color: Silver, Size: 19 mm, Color: Silver, Size: 19 mm
These actually look much nicer than I thought they would, given the price point. These ae silver plated brass, but nickel and lead free. It is kind of a bummer that they are only silver plated though. So far, they haven't been irritating my ears at all.
They open really wide with a hinge at the bottom. The little sparkly donut covers that while you're wearing them so you don't' really see the hinge. The donut can slip off very easily though. You have to be careful when opening, closing, and putting them in.
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Reviewed in the United States on March 24, 2025
★★★★★ 5
lined dress
Size: Small, Color: Skyway
love that its lined.
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Reviewed in the United States on February 17, 2026
★★★★★ 5
Comfy cute
Size: X-Small, Color: Black
I love this dress so much it is my go to
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Reviewed in the United States on September 9, 2025