Common Ground MarineCommon Ground Marine

    Fused distribution · Built to your circuit list

    Fuse Panels & Blocks

    Blade, ANL, MRBF and Class T fuse panels built on Blue Sea Systems fuse blocks: electronics sub-panels, battery and inverter protection and high-amperage feeds, sized per ABYC E-11 and labeled to your circuit list. Any circuit count.

    Shop Fuses
    Blue Sea Systems 12-circuit blade fuse block with labeled circuits and negative bus

    Custom Panel Pricing

    What does your panel need to protect?

    Every fuse panel is custom built to the circuits it protects: loads, wire sizes, fuse types and where it mounts. Tell us what it has to feed; we size, label, quote and build it.

    Load list, drawing or photos (optional)Drop files here or browsePDF, JPG, PNG, GIF, WebP or AVIF · up to 6 files, 10 MB each

    Typical reply: We typically respond within one business day.

    • Blue Sea Systems fuse blocks
    • ABYC E-11 fuse sizing
    • Ignition protected
    • Blown-fuse indication
    • Engraved & labeled

    Blade fuse panels, high-amperage fuse panels and breaker panels

    Pick the protection that fits the circuit. Fuses for electronics, accessories and the battery side; breakers where the crew needs to switch and reset.

    • Blade fuse sub-panels

      ATO/ATC blade fuses on Blue Sea Systems ST Blade blocks, 6 to 24 circuits, with blown-fuse LEDs, a negative bus and engraved circuit labels. The standard for electronics and accessory distribution.

      Request a Blade Fuse Panel

    • High-amperage fuse panels

      ANL, MRBF terminal and Class T fuse blocks for battery banks, inverters, windlasses and thrusters, with insulating covers and busbars sized to the feed.

      Request a High-Amperage Panel

    • Breaker panels

      When a circuit needs to be switched and reset by the crew, it belongs on a UL489 breaker panel. AC, DC and combined panels for main distribution.

      Marine Breaker Panels

    Prefabricated fuse panels

    Stock panels in the most-requested circuit counts, built on the same Blue Sea Systems fuse blocks, engraved labels and pre-wired buses as our custom work.

    Need One Now? Request a Custom Build
    • Coming soon
      Common Ground

      6-Circuit Blade Fuse Panel

      Six ATO/ATC circuits with negative bus, blown-fuse LEDs and engraved labels.

      Prefabricated · Blue Sea Systems fuse blocks

      Pricing coming soon
    • Coming soon
      Common Ground

      12-Circuit Blade Fuse Panel

      Twelve ATO/ATC circuits with negative bus, blown-fuse LEDs and engraved labels.

      Prefabricated · Blue Sea Systems fuse blocks

      Pricing coming soon
    • Coming soon
      Common Ground

      24-Circuit Blade Fuse Panel

      Two 12-circuit blocks on one engraved face with a shared negative bus.

      Prefabricated · Blue Sea Systems fuse blocks

      Pricing coming soon
    • Coming soon
      Common Ground

      4-Way High-Amperage Fuse Panel

      Four ANL or MRBF positions with insulating covers for battery and inverter feeds.

      Prefabricated · Blue Sea Systems fuse blocks

      Pricing coming soon

    There is no limit on circuit count. These are the popular sizes; any count, blade or high-amperage, is built to order from your circuit list.

    How a custom panel comes together

    Prefer to talk it through first? Contact engineering.

    1. Send the load or circuit list

      Circuits, amperages, AC or DC, where the panel mounts and any standard it has to meet. Photos and drawings help.

    2. We draw the face and quote it

      Layout, breaker, switch or fuse selection, metering and enclosure, priced as one line so there are no surprises.

    3. Build, bench test, photograph

      Wired and labeled to your list, tested under load and photographed before it leaves the shop.

    4. Ship with documentation

      Wiring diagram and labeling schedule included; 46 CFR documentation package on request.

    Fuse panels for every circuit that doesn't need a breaker.

    From a six-circuit electronics sub-panel behind the helm to Class T protection on a lithium bank, each panel is sized to the conductor, labeled to the circuit list and documented.

    • Electronics & helm sub-panels

      Blade-fuse panels for plotters, radios, radar, autopilot and accessories, fed from one breaker on the main panel and labeled circuit by circuit.

    • Lithium & inverter protection

      Class T and MRBF fusing for battery banks, inverters and chargers, with the busbars and cable lugs to match the bank you specify.

    • Windlass, thrusters & high-amperage feeds

      ANL and MRBF fuse panels for the big DC loads, mounted close to the battery and sized to the cable run.

    • Commercial & inspected vessels

      Fuse panels with a fuse schedule and labeling that let a surveyor verify each circuit against the drawing.

    • Refits & repowers

      Replace a corroded glass-fuse block or an unlabeled tangle with a clean, labeled panel that matches the existing circuits.

    • Builders & dealers

      Repeatable fuse-panel assemblies for production boats, with dealer pricing and a fuse schedule for every hull.

    What goes into every fuse panel

    Built, labeled and tested on the same bench as our breaker panels and engine harnesses.

    Send Your Load List
    • Blue Sea Systems ST Blade, MAXI, ANL, MRBF or Class T fuse blocks
    • Fuses sized to protect the conductor per ABYC E-11
    • Blown-fuse indication on blade panels
    • Negative bus and busbars so each circuit lands in one place
    • Engraved labeling that matches your circuit list
    • Ignition-protected hardware for engine rooms
    • Fuse schedule and photographs shipped with the panel

    Questions we get asked

    What is the difference between a fuse panel and a breaker panel?
    A fuse panel protects each circuit with a replaceable fuse; a breaker panel uses resettable circuit breakers. Fuse panels are smaller and less expensive per circuit, which makes them the usual choice for electronics and accessory sub-panels and for high-amperage feeds where a fuse (ANL, MRBF or Class T) is the right protection. Breaker panels are the better fit for main distribution and anything a crew needs to switch and reset. Most boats use both, and we build both.
    What fuse types do you build panels around?
    ATO/ATC blade fuses for branch circuits up to 30 A, MAXI fuses up to 80 A, and ANL, MRBF terminal fuses and Class T fuses for battery banks, inverters, windlasses and other high-amperage feeds. Blade panels can include blown-fuse indication and a negative bus so each circuit lands in one place.
    Are your fuse panels ignition protected?
    We build on Blue Sea Systems fuse blocks, which are ignition protected, so the panels are suitable for engine rooms and other spaces where gasoline fumes may collect. Tell us where the panel mounts and we specify the enclosure and fuse types accordingly.
    Can you size the fuses for my circuits?
    Yes. Send the circuit list with wire sizes and loads and we size each fuse to protect the conductor per ABYC E-11, label the panel to match and include a fuse schedule with the panel.
    Do you build fuse panels for lithium batteries and inverters?
    Yes. Lithium banks and large inverters need high interrupt-capacity protection, which is where Class T and MRBF fuses come in. We build the fuse panel or battery-side protection to the bank and inverter you specify, with the busbars and labeling to match.
    Do you sell prefabricated fuse panels?
    Prefabricated fuse panels in the most popular circuit counts are coming soon. There is no limit on circuit count: every panel is built to order from your circuit list today, usually quoted within one business day.

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