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Description
MRF2913-40 MARINE FUSE CERAMICCross References Brand Manufacturer Part Number Bussmann MRBF 40, BK MRBF 40 CTO USA (Main Product) MRF2913 40 Littelfuse 0581040, 581040, 0581040. X Technical Specifications Feature Details Value Product Name Marine Rated Battery Fuse (MRBF) Ceramic Cube Fuse Product Code MRF2913 40 Amperage Rating 40 Amps (40A) Maximum Voltage Rating 58V DC Fuse Body Material Heavy Duty Weatherproof Ceramic Housing Terminal Material Tin Plated Copper Alloy Core
Cross References
| Brand / Manufacturer | Part Number |
|---|---|
| Bussmann | MRBF-40, BK/MRBF-40 |
| CTO USA (Main Product) | MRF2913-40 |
| Littelfuse | 0581040, 581040, 0581040.X |
Technical Specifications
| Feature | Details / Value |
|---|---|
| Product Name | Marine Rated Battery Fuse (MRBF) / Ceramic Cube Fuse |
| Product Code | MRF2913-40 |
| Amperage Rating | 40 Amps (40A) |
| Maximum Voltage Rating | 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 | 402500980217 |
| Item Gross Weight | 0.062 lbs |
| Status | Active |
Applications & Compatibility Guide
| Category | Usage & Universal Compliance Guidelines |
|---|---|
| Recommended Use | • Specially engineered for space-constrained marine and heavy automotive electrical environments. Ideal for primary battery terminal branch protection, main alternator outputs, accessory wiring loops, electronics distribution blocks, and DC power input circuits. |
| Universal Compatibility | • Universally compatible with all standard single, dual, or triple post MRBF (Marine Rated Battery Fuse) terminal blocks and mounting bars. • Widely utilized in commercial watercraft, recreational yachts, off-grid solar battery banks, specialized fleet service trucks, RV electrical networks, and heavy-duty auxiliary power units. |
| Purpose & Function | • Acts as a critical high-amperage, fast-acting barrier directly at the battery source to prevent devastating wiring harness damage or localized thermal failure loops. • Features an ignition-protected design (complying with SAE J1171 standards) that isolates internal electrical arcs, making it entirely safe for installation within enclosed marine engine compartments and 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
4.2 ★★★★★
Based on 1913 reviews
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Product Reviews
★★★★★ 5
A lovely and inexpensive touch for formal events.
Color: Navy Blue
Beautiful navy blue color, and well made! Nice to be able to carry it over the shoulder or by hand, with the strap tucked inside the bag.
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Reviewed in the United States on February 27, 2026
★★★★★ 5
Not Too Big or Too Small; Perfect Size
First of all, the picture shown on Amazon does not do this purse justice. The colour is beautiful and it pops. I love the design of this purse as it is not too big and not too small; it's is just the perfect size for any occasion. The styling of the outer layer is just perfect and not too over the top. Normally, when purses have rhinestones on them, it often gives off a rough feel but not this purse so no need to worry about that. Lastly and my favourite part is the small pocket that is inside. I'm a girl who loves to bring her ID and debit cards wherever she goes plus her little cash so that small pocket will be perfect to store these. This is definitely worth it.
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Reviewed in the United States on August 21, 2025
★★★★★ 3
Cute bag, cheap chain
Color: Stain Navy Blue1
Very cute, very spacious. I was able to keep my phone and a mini sewing kit with me but the chain broke 10 minutes into the reception while standing in line for the buffet. The whole point in buying this was so I could keep my stuff with me and not risk putting it on a table to the side of the dance floor after dinner. The bag itself is cute and I can get a replacement chain but it's unfortunate that I have to spend more money to make it work.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Stylish and size
Color: Black
Super cute and perfect size for evening outings
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Trendy and great quality
Color: Brown
Super nice quality for price, holds more than looks like and comes with lovely zip pouch for stray things or could work as wallet. Recommend tying scarf around handle for color!
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Reviewed in the United States on October 28, 2025