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 overcurrent protection for DC loads. With a visible reset lever and a trip-free design, it’s built to open on an overcurrent event and won’t stay held closed after tripping.
Key Features
- Medium-duty circuit protection for DC loads when switching and circuit protection are both required.
- Trip-free design: cannot be held closed after trip.
- Visible reset lever shows the open condition.
- Drop-in replacement for 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 requiring surface-mount thermal circuit breaker protection.
- Electrical distribution protection for appropriate 48V DC circuits (select the correct breaker rating for your load).
Product Details
- Product: Blue Sea Systems 285 Series DC circuit breaker — Surface Mount.
- SKU/Part Number: 661-7186.
- Circuit protection type: Medium-duty circuit protection for DC loads when switching and circuit protection are both required.
- Trip behavior: Trip-free (cannot be held closed after trip).
- Reset indication: Visible reset lever shows open condition.
- Voltage rating: Maximum operating voltage 48 volts DC.
- Ignition protection: Meets SAE J1171 external ignition protection requirements.
- Ingrees protection: IP67-protected against immersion up to 1 meter for 30 minutes.
- Fitment note from provided description: Drop-in replacement for 185-Series circuit breakers.
Parts Desk Insights
Best Use Case: Use when you need a weather-resistant, ignition-protected DC breaker in a surface-mount location and you want clear visual indication of a tripped/open condition.
Common Issues: If the breaker won’t reset, confirm the overload/fault has been cleared and verify wiring terminations at the breaker. Also check the breaker’s mounting/connection points and mating surfaces to ensure proper installation and contact.
Related Products & Accessories
- Fuses - Browse the Fuses category for complementary protection components (as applicable to your system design).
- Electrical & Accessories - Browse the Electrical & Accessories category for related switching, wiring, and 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.