Blue Sea Systems A-Series Flat Rocker Circuit Breaker, Double Pole, 120/240V AC, 32V DC

Overview

The Blue Sea Systems A-Series Flat Rocker Circuit Breaker is a double-pole magnetic hydraulic breaker for marine electrical panels, combining manual switching and circuit protection in one panel-mounted unit. This version family uses a flat rocker actuator, supports both AC and DC systems, and is rated up to 120V AC, 240V AC, and 32V DC.

The double-pole format is commonly used where two conductors need to be opened together, such as AC main circuit protection on a boat. Its trip-free mechanism means the breaker cannot be held in the ON position during a fault condition, which helps protect wiring and connected equipment when current rises beyond the selected rating.

The actuator shows the OFF position clearly, and international ON/OFF symbols allow the breaker to be mounted vertically or horizontally. It is built for panel installations using #6-32 stainless steel mounting screws and #10-32 stainless steel terminal screws, with an operating temperature range from minus 40°C to 85°C.

Key features

• Double-pole A-Series breaker for circuits where two poles must switch and trip together.
• Magnetic hydraulic, trip-free circuit breaker type for switching and circuit protection in one device.
• Maximum voltage ratings of 120V AC, 240V AC, and 32V DC for use across common marine electrical systems.
• Interrupt capacity of 3000A at 240V AC, 1500A at 240V AC TUV, and 5000A at 32V DC.
• Flat rocker actuator sits flush in the ON position to help reduce accidental switching at the panel.
• Color actuator indicates the OFF position for quick status checks at the helm, nav station, or electrical panel.
• International ON/OFF symbols support either vertical or horizontal mounting.
• Meets ABYC standards and carries UL 1077 recognition, TUV certification, CE marking, and CSA certification.
• Rated for 10,000 switching cycles for repeated use as both a breaker and a switch.

Variants

This A-Series double-pole flat rocker breaker range varies by amperage. The available configurations cover ratings from 10A to 50A, allowing the breaker size to be matched to the circuit load and the ampacity of the installed wire.

The core format remains the same across the range: double pole, flat rocker actuator, magnetic hydraulic trip-free operation, and support for 120V AC, 240V AC, and 32V DC systems. Select the amperage rating as part of the vessel’s circuit protection plan, making sure it is appropriate for the wire size, load type, and applicable marine electrical standards.

Electrical and system integration

This breaker is a practical match for marine electrical panels where the breaker also needs to serve as the circuit switch. On AC panels, the double-pole layout is useful for main circuit protection or other circuits where both conductors must be disconnected together. On DC systems, it can be used where the circuit design calls for double-pole protection and the selected amperage matches the wiring and load.

For loads with startup surge, such as motors or inductive equipment, breaker sizing should account for inrush current as well as normal running current. The breaker rating should be high enough for the expected operating load while still being low enough to protect the wire in the circuit.

Installation and fit

The flat rocker actuator gives the panel a low-profile control surface, which is helpful around helm panels, cabin electrical panels, and other tight locations where hands, gear, or clothing may brush against switches. The breaker can be mounted in either vertical or horizontal orientation, so the panel layout can follow the available space instead of forcing a single orientation.

Terminal and mounting torque should be followed carefully during installation. The mounting screw torque is 6 in-lb, and the screw terminal torque is 14 in-lb. Correct torque helps maintain a secure electrical connection on a boat, where vibration and repeated heating cycles can loosen poorly installed hardware over time.

Use cases on board

This breaker family is suited to refits, panel replacements, and new marine electrical builds that use Blue Sea Systems A-Series panel components. It fits boats that need clean panel switching, clear breaker status, and circuit protection that can handle the vibration, temperature swings, and service access limits found in real onboard installations.

It is a good fit for owners, installers, and technicians working on AC or DC distribution panels where the exact amperage needs to be selected circuit by circuit rather than treated as a one-size-fits-all part.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Orders of $100 or more qualify for free shipping when eligible. For orders under $100, shipping costs are calculated at checkout based on destination, package weight, and selected service. International shipping is available for eligible products, and certain items may require additional handling, warehouse transfers, or may ship directly from the manufacturer, which can affect processing time.

Deliveries are handled by preferred carriers such as USPS, UPS, FedEx, DHL, and others depending on your location and selected service. Estimated delivery times are displayed at checkout and may vary due to customs processing, carrier delays, weather, postal disruptions, or other circumstances beyond our control. Once your order ships, you'll receive a confirmation email with tracking information. Tracking may take up to 24 hours to update on the carrier's website and is also available through your account when applicable.

We ship throughout the United States and to most international destinations for products eligible for international shipping. International orders may be subject to customs duties, taxes, brokerage charges, or other import fees, which are the customer's responsibility and are not included in the product or shipping price. PO Boxes are accepted only when shipping through USPS, and not all packages qualify for this option. If your order does not arrive within the estimated delivery window, please contact us at info@apollolighting.com or +1 (954) 375-0100 so we can assist with locating your package.

Learn more.

Returns may be requested within 30 days of receiving your order. Items must be unused, uninstalled, unaltered, and returned in their original packaging with all tags, packing materials, blank warranty cards, manuals, instructions, accessories, and included items. Certain products, including installed or used electronics, electrical components, lighting, consumables, custom or special-order items, cut-to-length products, safety equipment, and merchandise exposed to water or marine conditions, may not be eligible for return.

To request a return, sign in to your account and select the applicable order and items, and submit your request for review. Eligible unfulfilled items may also be submitted for cancellation within 1 hour of placing the order. Returns or cancellations are not considered approved until you receive confirmation from Apollo Lighting. Please do not ship or drop off merchandise before receiving return approval and instructions.

Customers are responsible for arranging and paying for return shipping unless the return is due to an error by Apollo Lighting or the item is verified as defective, damaged, or incorrect. Missing, damaged, defective, or incorrect items must be reported within 2 business days of delivery, and photos or other documentation may be required for review. If the issue is verified, Apollo Lighting may provide or reimburse return shipping and issue a replacement or refund depending on the circumstances. International customers are responsible for return shipping, duties, taxes, customs charges, brokerage fees, and other costs associated with an international return.

After your return is received and inspected, approved refunds are issued to the original payment method and may take 5-7 business days to appear after processing. Original shipping and handling charges are nonrefundable, and the value of any included free items that are not returned may be deducted from the refund. Apollo Lighting does not charge a standard restocking fee on eligible returns. Returns that are incomplete, damaged, installed, used, altered, improperly packaged, or otherwise do not meet the eligibility requirements may be refused. We recommend using a trackable and appropriately insured shipping service for all customer-arranged returns.

For assistance, contact info@apollolighting.com or call +1 (954) 375-0100.

Learn more.

Many products sold by Apollo Lighting include a manufacturer's warranty covering defects in materials or workmanship. Warranty terms vary by brand, product category, and model, so eligibility, coverage duration, exclusions, and available remedies are determined by the applicable manufacturer. We recommend reviewing the warranty information provided with your product before installation or use, especially for marine electronics, navigation equipment, lighting, electrical systems, pumps, safety equipment, and other specialized marine products.

If you need warranty service, the claim must follow the process established by the manufacturer, authorized service center, or designated warranty provider. You may be asked for proof of purchase, a serial number, product registration, photos, maintenance or installation records, or other documentation. Apollo Lighting does not determine or modify a manufacturer's warranty coverage or final claim decision, but we are happy to help provide purchase information and direct you to the appropriate manufacturer or warranty resource.

Keep your receipt, product documentation, serial number information, and original packaging when practical. Damage caused by normal wear, misuse, improper installation, insufficient maintenance, corrosion, impact, unauthorized modifications, electrical issues, or operation outside the manufacturer's specifications may not be covered. Warranty claims are separate from standard returns, so a product that has been installed, used, or exposed to marine conditions may no longer qualify for return while still remaining eligible for evaluation under the manufacturer's applicable warranty.

Learn more.