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Over 50 years of Trusted Marine Service

Circuit Breaker Aa1 30 Amp Black

Original price $51.99 - Original price $51.99
Original price
$51.99
$51.99 - $51.99
Current price $51.99
Item locally warehoused

Free returns on all eligible orders

You have 30 days to request a return. All sale items are final sale.

Blue Sea Systems A-Series AA1 single-pole circuit breaker (black) combines switching and circuit protection in one compact device. It’s a magnetic-hydraulic, trip-free breaker designed for reliable protection of DC and AC marine electrical circuits.

Key Features

  • Single pole circuit breaker for both DC and AC loads
  • Magnetic-hydraulic with “trip free” design
  • Combines switching and circuit protection into a single device
  • Black finish
  • Rated for 65 Volts DC and 250 Volts AC
  • Includes mounting screws

Intended Use

  • Marine DC electrical distribution (single-pole protection)
  • Marine AC electrical distribution (single-pole protection)
  • Replacement/upgrade for compatible Blue Sea Systems A-Series electrical panel circuits
  • General 12V/24V/regulated DC or AC branch protection (verify panel compatibility)

Product Details

  • • Single pole, magnetic-hydraulic, trip free circuit breaker
  • • Combines switching and circuit protection into a single device
  • • Rated for 65 Volts DC and 250 Volts AC
  • • Color: Black
  • • Includes mounting screws
  • • SKU: 661-7220

Parts Desk Insights

Best Use Case: Use for branch circuit protection where you need a single-pole breaker that provides both switching and overcurrent protection (DC and AC) in a compact breaker footprint.

Common Issues: Ensure the breaker type matches your panel cutout/actuator style and that the wiring terminals and mating surfaces are correct for the specific panel/breaker system. If a breaker appears to trip quickly, verify load draw and polarity/wiring before resetting.

Related Products & 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.

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