Blue Sea Systems 7049 187 Series DC Circuit Breaker - Panel Mount, 200 Amps
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Blue Sea Systems 7049 is a 187-Series DC circuit breaker designed for panel-mount installation, combining switching and circuit protection in a single device.
Key Features
- Combines switching and circuit protection into one breaker
- Clear single-lever operation with visible trip status
- Ignition protected—safe for installation aboard gasoline powered boats (conforming to SAE J1171)
- Weather resistant for marine environments
- Panel mount design with clean recessed mounting holes
- Trip-free design cannot be held ON during a fault current condition
- 5/16-18 (5/16 M8) terminal studs for high-torque connections
- Maximum voltage rating: 48V DC
Intended Use
- 12V/24V/48V DC marine electrical distribution (system design dependent)
- Boat switch panels requiring combined switching and overcurrent protection
- DC protection for high-current loads such as battery and inverter/charger related circuits (when properly designed for the system)
Product Details
- Manufacturer/Series: Blue Sea Systems 187-Series
- Model number: 7049
- SKU: 661-7049
- Type: DC circuit breaker (thermally responsive bi-metal blade)
- Mounting: Panel Mount
- Amperage rating: 200A
- Maximum voltage: 48V DC
- Operation/indication: Single lever operation with clear indication of trip status
- Ignition protection: Conforms to SAE J1171
- Weather resistance: Weather resistant
- Terminal studs: 5/16-18 (5/16 M8) terminal studs
- Service guidance: Confirm proper panel opening/clearance using the dimensioned drawing for this model and verify mating hardware/gasket requirements as shown in the installation materials.
Parts Desk Insights
Best Use Case: Use this breaker when you need a marine-rated, panel-mounted DC breaker that provides both switching control and overcurrent protection in one device, especially where ignition-protected components are required.
Common Issues: Common install issues include using the wrong terminal size/lug for the 5/16-18 (M8) studs, panel cutout mismatch (clearance around the terminals), and selecting a breaker for the wrong DC system voltage or load type—verify the system voltage matches the breaker’s maximum voltage rating.
Related Products & Accessories
- Fuses - Browse for complementary DC overcurrent protection and fuse hardware that pairs with your distribution layout.
- Electrical & Accessories - Explore ring terminals, battery/distribution components, and mounting/accessory items that can support breaker installation.
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.