Blue Sea Systems 285 Series DC Cirucit Breaker - Surface Mount
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Blue Sea Systems 285 Series DC Circuit Breaker (Surface Mount) provides medium-duty protection for 25 to 200A DC loads when switching and circuit protection are both required. It features a trip-free design and a visible reset lever for straightforward “open” indication.
Key Features
- Trip-free design—cannot be held closed after trip.
- Visible reset lever shows open condition.
- Designed as a drop-in replacement for 185-Series circuit breakers.
- Maximum operating voltage: 48V DC.
- Meets SAE J1171 external ignition protection requirements.
- IP67-protected against immersion up to 1 meter for 30 minutes.
Intended Use
- DC electrical circuit protection on boats and marine vehicles
- Medium-duty DC power distribution where switching and breaker protection are both required
Product Details
- Product: Blue Sea Systems 285 Series DC Cirucit Breaker - Surface Mount
- SKU: 661-7185
- Type/Design: Trip-free (cannot be held closed after trip).
- Reset indication: Visible reset lever shows open condition.
- Replacement: Drop in replacement for 185-Series circuit breakers.
- Maximum operating voltage: 48 volts DC.
- External ignition protection: Meets SAE J1171 requirements.
- Environmental protection: IP67—protected against immersion up to 1 meter for 30 minutes.
Parts Desk Insights
Best Use Case: Use for DC circuit protection in marine DC power distribution where you want switchable/manual reset behavior with clear “open” indication and strong environmental sealing (IP67).
Common Issues: If it trips unexpectedly, confirm the circuit load current and that the breaker is correctly wired for the DC system voltage (up to 48V DC). When servicing, inspect for corrosion at mating surfaces and check any related mounting hardware and terminals for good contact.
Related Products & Accessories
- Browse circuit breakers & fuses - Explore additional Blue Sea Systems breakers and related protection components.
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.