Blue Sea A-Series Flat Rocker Circuit Breaker, Single Pole Flat, 20 amps
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The Blue Sea A-Series Flat Rocker Circuit Breaker (Single Pole, Flat, 20A) is designed to provide reliable branch-circuit protection with a flush ON rocker that helps prevent accidental switching. The trip-free mechanism helps ensure the breaker can’t be held ON during a fault condition, while the color actuator indicates OFF position.
Key Features
- Rocker actuator is flush in the “ON” position to help reduce accidental switching
- “Trip Free” design cannot be held “ON” during fault current condition
- Magnetic hydraulic–trip free circuit breaker type
- Colored actuator indicates “OFF” position
- Rated for frequent use with 10,000 switching cycles at rated amperage and voltage
- International ON/OFF symbols support vertical or horizontal mounting
Intended Use
- Marine and RV electrical systems requiring single-pole branch circuit protection
- AC/DC branch circuit protection applications (as appropriate to the system design)
Product Details
- Circuit breaker type: Magnetic Hydraulic–trip free
- Maximum voltage: 240 Volts AC, 32 Volts DC
- Rated switch cycles: 10,000 @ rated amperage and voltage
- SKU: 661-7404
- Actuator style: Flat rocker (flush ON position)
Parts Desk Insights
Best Use Case: Ideal for DC/AC branch circuit protection where accidental switching prevention is important and a flat, flush-on actuator look is desired.
Common Issues: Common installation mistakes include choosing the wrong polarity/panel location or mixing breaker actuator styles—confirm the cutout/actuator style matches your panel opening before installation. Also verify the circuit load and wiring are sized correctly to the breaker rating and the system’s voltage.
Related Products & Accessories
- Related category: Electrical & Accessories - Browse for matching breakers, fuse holders, and related electrical 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.