Blue Sea Terminal Fuse, 250 Amp, Pink
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You have 30 days to request a return. All sale items are final sale.
Blue Sea Systems MRBF Terminal Fuse (250 Amp) in Pink provides marine-grade DC main circuit protection with ignition protection and a clear window for quick visual indication of a blown fuse.
Key Features
- 250A MRBF terminal fuse for marine DC circuit protection
- Ignition protected for safer installation aboard gasoline-powered boats
- Clear window provides visual indication of blown condition
- Color coded for easy amperage identification
- Requires a compatible terminal fuse block—do not mount directly to the battery terminal
Intended Use
- Marine DC electrical systems requiring MRBF terminal fuse protection
- Primary/main DC circuit protection on large battery banks
- Applications using inverters, windlasses, and bow thrusters (with appropriate fuse block and wiring)
Product Details
- Brand: Blue Sea Systems
- Product: Terminal Fuse (MRBF)
- Amperage: 250 Amp
- Color: Pink
- Model/SKU: 661-5189
Parts Desk Insights
Best Use Case: Use this 250A MRBF terminal fuse as the replaceable protection element in a Blue Sea-style terminal fuse block setup (clean, serviceable battery-side protection) for high-current DC loads.
Common Issues: Most service calls come from improper mounting (the fuse must be installed in the correct terminal fuse block rather than directly on the battery terminal) or from mismatching the fuse rating/amperage identification. If a fuse is repeatedly opening, inspect downstream wiring and the connected load for shorts or over-current conditions.
Related Products & Accessories
- Browse Fuse Holders & Fuse Blocks - To pair this fuse correctly, select the matching MRBF terminal fuse block for your installation.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.