Blue Sea Systems 285 Series DC Cirucit Breaker - Surface Mount
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You have 30 days to request a return. All sale items are final sale.
The Blue Sea Systems 285 Series DC Circuit Breaker (Surface Mount) provides medium-duty DC circuit protection with built-in switching—ideal for marine electrical systems that need both disconnect/switching and circuit protection in one device.
Key Features
- Provides medium-duty circuit protection for DC loads (25 to 200A) when switching and circuit protection are both required.
- "Trip-free" design—cannot be held closed after trip.
- Visible reset lever shows open (tripped) condition.
- Surface mount style.
- 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
- Marine DC electrical systems requiring switchable circuit protection
- Boat/watercraft DC distribution circuits
- Accessory DC circuits where a surface-mount breaker is preferred
Product Details
- Brand: Blue Sea Systems
- Series: 285 Series
- Type: DC Circuit Breaker
- Mounting: Surface Mount
- SKU: 661-7187
- Circuit Protection / Switching: required together for 25 to 200A loads
- Trip-free: cannot be held closed after trip
- Reset indicator: visible reset lever shows open condition
- Maximum operating voltage: 48V DC
- External ignition protection: meets SAE J1171
- Ingress protection: IP67 (immersion up to 1 meter for 30 minutes)
- Replacement note: drop-in replacement for 185-Series circuit breakers
Parts Desk Insights
Best Use Case: Use this breaker to protect and switch DC circuits where you want a clear visual trip/open indication and a rugged, immersion-resistant surface-mount breaker.
Common Issues: If nuisance tripping occurs, verify that the load current and wire sizing match the circuit, and confirm proper connections at the breaker terminals. Also check the mating surfaces and any adjacent components/gaskets used with the 285-series installation to maintain the intended weather resistance.
Related Products & Accessories
- Browse circuit breakers & fuses - Use the collection filters to match the correct series and current rating (e.g., companion accessories and covers if needed).
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.