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 circuit protection combined with switching—ideal for DC marine electrical circuits where both switching and reliable breaker protection are required.
Key Features
- Medium-duty DC circuit protection for 25 to 200 amp loads (as a series).
- “Trip-free” design: cannot be held closed after trip.
- Visible reset lever shows the open condition at a glance.
- Surface mount style for straightforward panel installation.
- Drop-in replacement for Blue Sea 185-Series circuit breakers.
- Maximum operating voltage: 48 volts 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
- DC distribution and branch-circuit protection
- Switching + overcurrent protection for on-board loads
- Replacement for 185-Series circuit breakers (surface mount fitment, per diagram/panel compatibility)
Product Details
- • Product: Blue Sea Systems 285 Series DC Cirucit Breaker - Surface Mount
- • Brand/SKU (variant SKU): 661-7180
- • Type: DC circuit breaker (285-Series, surface mount)
- • Function: switching and circuit protection combined
- • 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: drop-in replacement for 185-Series circuit breakers
Parts Desk Insights
Best Use Case: Use for medium-duty DC protection where you need a breaker that also functions as a switch, plus external ignition protection and strong sealing for exposed marine environments.
Common Issues: If the breaker trips unexpectedly or won’t reset normally, confirm you’ve matched the correct breaker rating for the circuit load and that the installation matches the intended panel cutout/terminal arrangement. Also double-check the circuit wiring before repeatedly resetting after faults.
Related Products & Accessories
- Fuses - Browse related fuse and breaker protection components for coordinated DC circuit protection.
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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.