Blue Sea Systems AC Main Circuit Breaker Panel, 230V AC, Micro Voltmeter
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Overview
The Blue Sea Systems 230V AC main distribution panel range is a set of marine AC breaker panels for boats using European 230V AC service, with main circuit protection, branch circuit positions, and built-in circuit status indication. The range covers 2, 3, 8, and 11 position layouts, giving installers options for compact panels as well as larger AC branch distribution needs.
Across the confirmed configurations, these panels are built around a 230V AC system layout with illuminated circuit labeling and “ON” indicating LEDs at circuit positions. The 8509, 8174, and 8176 Traditional Metal versions include both an AC micro voltmeter rated 0 to 250V AC and an AC micro ammeter rated 0 to 50A with coil, while the 1207 360 Panel version includes an AC micro voltmeter rated 0 to 250V AC.
This type of panel is used where shore power or onboard AC generation needs organized distribution to boat AC loads such as outlets, battery chargers, water heaters, galley equipment, or other branch circuits, depending on the vessel’s wiring plan and installed breaker ratings.
Key features
- 230V AC panel configurations for European-style marine AC electrical systems.
- Main breaker plus branch circuit positions for organized AC distribution on board.
- Backlit circuit label positions help identify circuits in low-light cabin, helm, or electrical locker locations.
- “ON” indicating LEDs at circuit positions make active circuits easier to check at a glance.
- Traditional Metal 8509, 8174, and 8176 variants include hot, neutral, and safety ground buses installed and pre-wired.
- Traditional Metal 8509, 8174, and 8176 variants include a red reverse polarity indicating LED.
- Traditional Metal 8509, 8174, and 8176 variants include AC voltage and current monitoring with micro voltmeter and micro ammeter.
- 1207 uses the Blue Sea Systems 360 Panel format with an open-frame modular layout for a compact 2-position 230V AC installation.
Variants
This parent product is offered in multiple configurations that change the number of AC branch positions and, in one case, the panel system format.
The 8509, 8174, and 8176 variants are Traditional Metal AC Main + Positions panels with toggle-style A-Series breakers, reverse polarity indication, pre-wired buses, and both AC micro voltage and amperage meters. The 1207 variant is a 360 Panel System module with rocker-style A-Series breakers and an AC micro voltmeter.
- 8509: 3 positions. This configuration suits smaller 230V AC distribution layouts where the boat needs a main breaker, a small group of branch circuits, and onboard voltage and current monitoring in one panel.
- 8176: 11 positions. This configuration gives more branch circuit capacity for larger AC systems while keeping voltage and current monitoring at the main panel.
- 8174: 8 positions. This layout fits mid-size AC panels that need more branch circuits than the compact 3-position version, with the same Traditional Metal monitoring approach.
- 1207: 2 positions. This configuration uses the 360 Panel format and is the most compact option in the set, with a 230V AC main, two branch positions, and a built-in AC micro voltmeter.
Installation and setup
These panels belong in a protected electrical panel location where AC wiring can be routed cleanly, strain relieved, and serviced. The Traditional Metal variants are intended for extension of an existing AC panel or replacement of an older panel, while the 360 Panel version is suited to modular panel builds where multiple functions may be grouped in a common frame.
Final installation should match the vessel’s AC wiring plan, applicable marine electrical standards, and the ratings of the connected loads. AC shore power and generator circuits should be installed and inspected by a qualified marine electrician, especially where reverse polarity indication, neutral and safety ground handling, and main breaker protection are involved.
Compatibility and fit
Use the variant position count and panel dimensions to confirm the correct fit before ordering. The 8509 measures 7.50 in high by 5.25 in wide, the 8174 measures 11.25 in high by 5.25 in wide, the 8176 measures 7.50 in high by 10.50 in wide, and the 1207 measures 7.75 in high by 4.88 in wide by 3.00 in deep.
The best match depends on the number of AC branch circuits on the boat and the available panel space. The smaller versions work well for compact cruising boats or focused AC subpanels, while the 8 and 11 position versions are better aligned with vessels that need several protected AC branch circuits grouped in one location.
Use cases on board
These panels are a practical fit for 230V AC boats that need a clean main distribution point with clear circuit identification. They are commonly relevant for cruising sailboats, powerboats, refit projects, and electrical panel upgrades where shore power loads need to be organized and monitored from one panel face.
The integrated meters on the monitored variants help the operator keep an eye on AC supply voltage and load current from the panel, which is useful when managing shore power capacity, generator output, or multiple onboard AC loads at the dock or underway.
Shipping
We ship worldwide from the United States. Rates are calculated at checkout based on destination and package weight. Some items include free shipping, which will show automatically. Not every product is eligible for international shipping; checkout will confirm eligibility. We do not ship to PO Boxes except through USPS, and not all packages qualify.
Processing and dispatch
Most orders are verified, packed, and handed to the carrier within 1 to 2 business days. Some products may need extra handling time or ship directly from the manufacturer. For certain international orders, inventory transfers between warehouses may add time. If any delay is expected, we will let you know the dispatch date.
Delivery and tracking
Deliveries are handled by trusted carriers such as USPS, UPS, FedEx, and DHL. Estimated arrival times appear at checkout and depend on your location and the service you choose. These are estimates and can be affected by customs or carrier disruptions. A shipping confirmation with a tracking link is emailed when your order ships, and tracking may take up to 24 hours to update. You can also view tracking in your account.
Duties, taxes, and support
International customers are responsible for any customs duties, taxes, and fees charged by the destination country. If these charges are refused and a shipment returns to us, the carrier’s return cost and any re-entry customs fees will be deducted from the refund. If your order is late or you need help, contact cs@qualityboatparts.com and we will assist you.
Quality Boat Parts is a reseller. Many items include a manufacturer’s warranty, and all warranty service is handled directly by the manufacturer. We do not manage or administer warranty claims on behalf of customers.
Warranty terms, coverage, and duration are set by each manufacturer. Issues involving defects, repairs, or replacements must be addressed with the manufacturer’s support team. When available, the warranty period is listed on the product page. If it is not shown, contact us or the manufacturer for details before purchasing.
To start a claim, the customer must contact the manufacturer and follow their process. Keep your proof of purchase and original packaging, and register the product if the manufacturer requires it, as these are often needed for warranty service.
We are happy to help you find the right contact or documentation, but we cannot decide outcomes or intervene in claim resolutions. For guidance, email cs@qualityboatparts.com.