Blue Sea Systems 7040 187 Series DC Circuit Breaker - Panel Mount, 60 Amps
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You have 30 days to request a return. All sale items are final sale.
The Blue Sea Systems 7040 187 Series DC Circuit Breaker is a panel-mount breaker that combines switching and circuit protection in one rugged device. It features a visible single-lever operation and is ignition protected for safe installation aboard gasoline-powered boats.
Key Features
- Single-lever operation is clearly visible
- Combines switching and circuit protection into a single device
- Ignition protected (conforming to SAE J1171) for installation aboard gasoline-powered boats
- Weather resistant
- Panel mount design for DC circuit protection
- 5/16-18 terminal studs
- Maximum voltage: 42V DC
Intended Use
- Marine DC electrical distribution
- Boat wiring circuits requiring switchable thermal DC protection
- Panels requiring ignition-protected breaker hardware (per SAE J1171)
Product Details
- Brand/Series: Blue Sea Systems 7040 187 Series
- Product type: DC circuit breaker (panel mount)
- Circuit protection & switching: combined function
- Rating: 60 amps
- Terminal studs: 5/16-18
- Maximum voltage: 42 volts DC
- Ignition protection: conforming to SAE J1171
- Notes for installation: Use proper panel mounting hardware and torque the 5/16-18 studs to the manufacturer’s specifications; check the breaker’s mating surfaces and any required panel components in your system layout.
Parts Desk Insights
Best Use Case: Ideal for marine DC panels where you need a switchable breaker that also provides reliable circuit protection—especially in compartments where ignition protection is required.
Common Issues: Most common install problems are improper panel cut/fitment and loose/incorrectly torqued terminal connections. Also confirm you’re using the correct DC max voltage for your system (42V DC max on this unit) and that the breaker position and wiring gauge match the intended load.
Related Products & Accessories
- Circuit Breakers - Browse the collection for additional breaker sizes and configurations.
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.