Blue Sea Systems 285 Series DC Cirucit Breaker - Panel Mount
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The Blue Sea Systems 285 Series DC Circuit Breaker (panel mount) is designed to provide medium-duty circuit protection for DC loads where both switching and overload protection are required. It features a trip-free design and a visible reset lever for easy status checks.
Key Features
- Medium-duty DC circuit protection for switching + circuit protection applications
- Trip-free mechanism: cannot be held closed after a trip
- Visible reset lever shows the open condition at a glance
- Drop-in replacement for 185-Series circuit breakers
- Maximum operating voltage: 48 volts DC
- Meets SAE J1171 external ignition protection requirements
- IP67-rated against immersion up to 1 meter for 30 minutes (with proper installation)
Intended Use
- DC marine electrical systems
- DC power distribution where overload protection and a manual switching function are needed
- Replacement / upgrade applications for 185-Series circuit breaker footprints (verify mating/fitment on your panel and terminals)
Product Details
- Brand/Series: Blue Sea Systems 285 Series
- Type: DC circuit breaker — panel mount
- SKU: 661-7085
- Application: DC loads requiring switching and circuit protection
- Amperage range (series-level): 25 to 200 amp loads
- Maximum operating voltage: 48 volts DC
- Trip-free design for safety (cannot be held closed after trip)
- External ignition protection: SAE J1171
- Ingress protection: IP67 against immersion up to 1 meter for 30 minutes
Parts Desk Insights
Best Use Case: Ideal for DC power distribution where you want a rugged, ignition-protected breaker that provides both manual switching and overload protection, with an easy-to-see open/reset status.
Common Issues: Most common install issues come from panel fitment and terminal mating—confirm your panel cutout and terminal type match the 185-Series drop-in requirement, and double-check sealing/positioning for IP67 performance. If a circuit trips repeatedly, inspect the load wiring and insulation as well as the connection points before resetting and returning to service.
Related Products & Accessories
- Browse Circuit Breakers - Explore additional Blue Sea circuit breakers, fuses, and power-distribution protection options in the Circuit Breakers category.
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.