Blue Sea Systems 7038 187 Series DC Circuit Breaker - Panel Mount, 40 Amps
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The Blue Sea Systems 7038 187 Series DC Circuit Breaker provides dependable panel-mounted DC protection for boat and marine electrical systems—combining switch-style operation with circuit protection in a weather resistant design.
Key Features
- Panel mount DC circuit breaker with clearly visible single-lever operation
- Ignition protected (conforming to SAE J1171) for safe installation aboard gas-powered boats
- Weather resistant construction for marine environments
- 5/16-18 terminal studs for durable, serviceable connections
- Maximum voltage: 42 volts DC
Intended Use
- Marine DC power distribution panels
- Boat battery and DC load protection
- Any DC switching and circuit protection application where a panel-mount breaker is required
Product Details
- Brand/Series: Blue Sea Systems 187 Series (DC)
- Model/Part: 7038
- Mounting: Panel Mount
- Amps: 40 Amps
- SKU/Variant SKU: 661-7038
- Terminal Studs: 5/16-18
- Maximum Voltage: 42 volts DC
- Ignition Protection: SAE J1171
Parts Desk Insights
Best Use Case: Ideal for DC distribution where you want a breaker that also functions with straightforward, single-lever switching you can visually confirm at a glance—especially in ignition-protected marine installations.
Common Issues: Common install oversights include mismatched stud hardware/wire termination for the 5/16-18 studs and overlooking the system’s maximum DC voltage requirement. Confirm your panel opening and verify related wiring/gasket interfaces during installation.
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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.