Sierra FS84190 Marine Rated Battery Fuse, 150A, Orange
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Sierra FS84190 is a marine rated, ignition-protected battery fuse designed to mount on a positive battery stud for DC circuit protection—ideal when you need reliable high-amp protection in a compact layout.
Key Features
- Marine rated battery fuse for DC circuit protection
- Ignition protected when used with Sierra MRBF Fuses
- Bolt-down design for high-vibration applications
- Standard isolated M8 stud design supports stacking of terminals
- Includes a protective, insulating cap to help prevent accidental shorts
- Compact high-current protection for tight installations
- Engineered for DC Main, bow thruster, inverter, and windlass circuit protection
- 150A (Orange) marine rated fuse
- 300A Maximum Amperage
Intended Use
- DC main circuit protection on marine battery banks
- Bow thruster circuit protection
- Inverter circuit protection
- Windlass circuit protection
- High-vibration marine wiring installations (battery stud mount style)
Product Details
- Sierra part number: FS84190
- Fuse rating: 150A
- Color/identifier: Orange
- Mounting style: Positive battery stud mount
- Stud type: Isolated M8 (supports stacking of terminals)
- Design: Bolt-down style with protective insulating cap (helps prevent accidental shorts)
- Compatibility note: Ignition protected when used with Sierra MRBF Fuses
- Maximum amperage: 300A
- Application standard: Meets ABYC requirements for DC main circuit protection on large battery banks with high-interrupt rating
- Fault indication: Easy fault indication with clear fuse display
- SKU/variant identifier: 11-FS84190
Parts Desk Insights
Best Use Case: Use this battery fuse when you want compact, high-current DC circuit protection mounted directly at the positive battery stud for systems like DC mains, inverters, windlasses, and bow thrusters.
Common Issues: If fuse operation is unexpected, confirm correct MRBF fuse pairing and ensure the insulating cap is in place after installation; also verify the terminal stack is clean and tight on the isolated M8 stud to avoid poor contact or gaps.
Related Products & Accessories
Browse related Breakers, Fuses & Fuse Holders to complete the 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.