Circuit Breaker w/Cover (Resettable)
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You have 30 days to request a return. All sale items are final sale.
LNS Sea-Dog Line inline resettable circuit breaker with manual reset button—built for marine accessory circuit protection with an included splash-proof breaker cover.
Key Features
- Inline resettable circuit breaker with manual reset button
- Ignition protected—designed for installation aboard gasoline powered boats
- May be used on 12V or 24V systems
- Injection molded nylon and polycarbonate construction
- Includes splash proof Breaker Cover (420840)
- Stamped brass #10-32 studs with nuts
- Battery/power input and protected output terminals: copper is “power in” and silver is “power out”
- Complies with SAE standard J553 and SAE J1171
Intended Use
- Marine accessory circuit protection (inline, resettable protection)
- Gasoline-powered boat electrical systems where ignition-protected protection is required
Product Details
- Inline Resettable Circuit Breaker with manual reset button
- Breaker cover included: 420840
- Terminal studs: stamped brass #10-32 studs with nuts
- Terminal identification: copper post is the battery/power in post; silver post is the auxiliary/power out protected post
- Construction: injection molded nylon and polycarbonate
- Compliance: SAE J553 and SAE J1171
- Systems: for use on 12V or 24V systems
- SKU (variant): 354-4208531
- Weight (variant): 36 GRAMS
Parts Desk Insights
Best Use Case: Use this inline resettable breaker to protect higher-amperage accessory circuits and enable quick manual reset after an overload condition, while the included cover helps protect the breaker and studs.
Common Issues: If the breaker trips repeatedly, confirm the downstream accessory current draw and inspect for short circuits or a fault at the wiring/terminal connections. Also verify correct “power in” (copper) and “power out” (silver) orientation during installation, and keep the breaker cover installed to help prevent contact with studs.
Related Products & Accessories
- Circuit Breaker Cover (420840) - Included with this resettable breaker—browse the breaker-cover category for replacements.
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.