Blue Sea Systems 7135 187 Series DC Circuit Breaker - Surface Mount, 25 Amps
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Blue Sea Systems 7135 187 Series DC Circuit Breaker provides switchable circuit protection in a surface-mount design. Built to meet SAE J1171 external ignition protection requirements and designed to stand up to marine environments, it features a single lever for clear on/off operation.
Key Features
- Single-lever operation is clearly visible
- Ignition protected (conforming to SAE J1171)
- Weather resistant
- Surface mount circuit breaker design
- 5/16-18 terminal studs
- Maximum voltage rating: 42 volts DC
- 25 amps (DC) circuit protection rating
Intended Use
- Marine DC electrical distribution
- Battery and battery-management circuit protection (switchable circuit breaker applications)
- Surface-mount installations requiring ignition-protected DC circuit breakers
Product Details
- Brand/Series: Blue Sea Systems 187 Series
- Product: 7135 187 Series DC Circuit Breaker
- Mounting style: Surface Mount
- Amperage: 25 Amps
- Terminal studs: 5/16-18
- Maximum voltage: 42 volts DC
- Ignition protection: Conforming to SAE J1171
- Operation: Single lever (clearly visible)
- Weather resistance: Weather resistant
Parts Desk Insights
Best Use Case: Use for marine DC circuit protection where you want a switchable, externally ignition-protected breaker in a surface-mounted configuration (for example, to protect and manually control a DC branch circuit).
Common Issues: If the breaker is being installed into an existing panel, confirm the terminal stud size (5/16-18) matches your ring terminals/lugs. Also verify the system’s DC voltage is within the breaker’s maximum rating (42V DC) and that the wiring method and enclosure sealing meet your installation requirements.
Related Products & Accessories
- Related circuit breakers & electrical protection components - Browse the Circuit Breakers section in your store for additional Blue Sea Systems breakers and matched protection accessories.
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.