Sea-Dog Hi-Amp Panel Mount Resettable Circuit Breaker 100A, 48 volts
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The Sea-Dog Hi-Amp panel mount resettable circuit breaker is a single-pole thermal breaker designed to protect 48VDC marine electrical circuits. It provides a visible tripped indication and features a water-resistant, sealed construction suitable for engine compartment and bilge area installations.
Key Features
- Visible indication of a tripped condition (resettable design)
- Single pole thermal type breaker
- 48VDC voltage rating
- Interrupt level of 3000 amperes
- Panel mounted for installation in a breaker panel/cutout
- Water resistant and sealed for engine compartment and bilge area applications
- Thermoset plastic construction with stainless steel studs and washers
- CE certified
Intended Use
- Marine engine compartment electrical protection
- Bilge area electrical protection
- 12V/24V systems? Not applicable—this breaker is rated for 48VDC circuits (use for 48VDC applications)
- General DC power distribution protection where a resettable single-pole thermal breaker is used
Product Details
- Sea-Dog Hi-Amp panel mount resettable circuit breaker
- SKU: 354-4208871
- Type: Single pole thermal type breaker
- Rating: 100A
- Voltage: 48 volts (48VDC)
- Interrupt level: 3000 amperes
- Visible indication: tripped condition indicator
- Construction: Thermoset plastic; stainless steel studs and washers
- Mounting: Panel mounted
- Environmental rating: water resistant and sealed (engine compartment and bilge area applications)
- Certification: CE certified
- Mounting cutout/dimensions (A–E): A 2-15/16"; B 1-15/16"; C 2-1/8"; D 2-7/16"; E 1-9/16"
Parts Desk Insights
Best Use Case: Use this breaker as a resettable overcurrent protection device for 48VDC marine branch circuits where you want a straightforward panel-mounted component with a visible tripped indicator.
Common Issues: If nuisance trips occur, confirm the load draw on the protected circuit and check for loose/crimped connections at the breaker and mating terminals. Also verify the panel cutout/fit using the listed A–E dimensions and ensure the mounting hardware seats evenly to maintain the intended sealed installation.
Related Products & Accessories
- Browse Circuit Breakers - Explore matching breakers and protection components for your 48VDC panel layout.
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.