Seadog 4208301 Thermal Breaker 30 Amp
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You have 30 days to request a return. All sale items are final sale.
The Seadog 4208301 Thermal Breaker is a 30 Amp push-to-reset AC/DC circuit breaker designed to protect marine electrical circuits from excess current. It features a panel-mounted, compact design with quick-connect, terminal-style connections and stamped brass contacts for vibration and shock resistance.
Key Features
- Thermal AC/DC push-to-reset circuit breaker protects against excess current
- Molded Bakelite construction with stamped brass contacts
- Quick-connect, terminal-style design for reliable connections
- Push-to-reset after tripping (resettable alternative to fuses)
- Panel-mounted compact design
- Optional Thermal Breaker Boot (420839) available for added protection in wet environments
Intended Use
- Marine and boat electrical circuit protection (branch circuit protection where a 30A thermal breaker is appropriate)
- AC/DC onboard systems requiring resettable circuit interruption
- Switch panels and circuit protection applications where quick-connect style breakers are used
Product Details
- Seadog 4208301 Thermal Breaker 30 Amp
- Part/MPN: 4208301 (also listed as 420830-1)
- Alternate/SKU on listing: 354-4208301
- Circuit type: Thermal AC/DC circuit breaker
- Reset: Push-to-reset (manual reset after tripping)
- Construction: Molded Bakelite with stamped brass contacts
- Connection style: Quick connect terminal style
- Electrical ratings: 30A; 125–250VAC; 32VDC
- Protection concept: Designed to protect an electrical circuit from damage caused by excess current
- Optional accessory: Thermal Breaker Boot (420839) (for additional protection in wet environments)
Parts Desk Insights
Best Use Case: Use this thermal, push-to-reset breaker for onboard branch circuit protection where vibration/shock resistance and a compact, panel-mounted breaker are desired.
Common Issues: If nuisance tripping occurs, check for overloads or downstream wiring faults (shorts/overcurrent loads). Also verify the breaker’s panel mounting and wiring connections match the quick-connect style terminals, and consider using the Thermal Breaker Boot (420839) when the installation is exposed to wet conditions.
Related Products & Accessories
- Thermal Breaker Boot (420839) - Optional accessory for added protection in wet environments.
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.