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Description
BTF2901-300 BATTERY FUSE CERAMICTechnical Specifications Part Type Battery Terminal Fuse (Fusible de Terminal de Batera) Amperage 300 Amps Voltage Rating 58V DC (Standard max for MRBF) Mounting Style Stud Mount (Montaje de Perno) Requiere portafusible MRBF Materials Body: Ceramic & PC (Cermica y Policarbonato) Element: Zinc Protection Type Ignition Protected (Seguro contra ignicin SAE J1171) Features & Benefits Maximum Protection: Typically the highest amperage available in the MRBF
Technical Specifications
| Part Type | Battery Terminal Fuse (Fusible de Terminal de Batería) |
| Amperage | 300 Amps |
| Voltage Rating | 58V DC (Standard max for MRBF) |
| Mounting Style | Stud Mount (Montaje de Perno) - Requiere portafusible MRBF |
| Materials |
Body: Ceramic & PC (Cerámica y Policarbonato) Element: Zinc |
| Protection Type | Ignition Protected (Seguro contra ignición / SAE J1171) |
Features & Benefits
- Maximum Protection: Typically the highest amperage available in the MRBF form factor, offering protection for the most demanding DC circuits found in marine and RV applications.
- Thermal Safety: The ceramic housing is critical at 300A, ensuring the fuse body does not melt or deform under the intense heat generated during a high-current event.
- Space Saving: Replaces bulky Class-T or ANL fuse blocks for main battery protection, mounting directly on the battery terminal to save space and reduce cable connections.
Common Applications
| Heavy Duty Marine | Large Bow Thrusters, Heavy Windlasses, Main DC Bus Feeds on large yachts. |
| Power Conversion | Inverters rated 3000W and above, Lithium Battery Bank main output protection. |
⚠️ CRITICAL NOTE:
At 300 Amps, correct cable sizing (typically 2/0 AWG or 4/0 AWG) and tight connections are vital to prevent overheating. Requires a specific MRBF Terminal Fuse Holder.
At 300 Amps, correct cable sizing (typically 2/0 AWG or 4/0 AWG) and tight connections are vital to prevent overheating. Requires a specific MRBF Terminal Fuse Holder.
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
4.6 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Quality all copper wire
Size: 16 AWG-100 ft
True16 Gauge pure copper wire
Quality wire with a high strand count
Nice insulation not overly stiff or too soft
Expect I will be buying more as it is a good value for the $
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 1, 2025
★★★★★ 5
Wire works as specified, no issues and good price
Size: 16 AWG-100 ft
Wire is as specified. Works great, no issues. Good price when I purchased. The wire insulation is not overly stiff and can handle manipulation well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 5, 2025
★★★★★ 4
Not the sorry copper coated aluminum.
Size: 16 AWG-100 ft
The wire is 16 gauge plenty big for my system. Heck, the wires supplied with my stereo, copomonet speakers, and amplifiers are about 20 or 24 gauge. I'm quite sure the wire will be more than suffeceint. I, m installing a mono sub amplifier a four-way amplifier to the sub amp outputs and the front of lines of the stereo. I'm gonna be pushing 20 speakers all except the sub woofer only pushing 100 watts a channel and the sub will push 150 watts. That makes 21 altogether. Not much just good clean sound. I've been working on the project going on 5 years now. Been bargain hunting, besides the work I've only got about $650 in the project. Can't wait to get it completed here around the end of July.
Hopefully, it will sound great didn't want to pay anyone. Seen too many "professional" jobs that were subpar. I've seen some nightmares. Figured if l did the job then who could I blame at least I can only blame myself and didn't pay $1,000 for it. 😁🤔
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Reviewed in the United States on June 30, 2021
★★★★★ 5
It's a good one, buy it.
Size: 16 AWG-100 ft
Actual 5 stars!
OFC, copper stranded wire, takes solder nicely when tinned, stiff and pliable enough to stay bent.
covering melts INTO wire as expected.
I was hoping for a good deal and got one.
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Reviewed in the United States on August 15, 2025
★★★★★ 5
good product
Size: 16 AWG-100 ft
good product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2025
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