Blue Sea - 6011 m-Series Battery Switch Dual Circuit Plus, Red

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Authentic Blue Sea Systems product.

M-Series Battery Switches


  • Simultaneously switches two isolated battery banks or combines battery banks to all loads.
  • Make before break contact design allows switching between battery banks without power interruption.
  • 300 Amps continuous rating for outboards and small gasoline or diesel engines.

  • Battery management is central to the safe operation of a boat or vehicle.

    All boats and vehicles with an engine have at least one battery with the primary purpose of starting the engine and providing power for loads such as lights, pumps, and electronics. The safe switching between batteries, loads, and charge sources is achieved using products like the m-series battery switches.

    An innovative snap-together design increases reliability and longevity without the use of internal fasteners. The back cover is one-piece with break-out-sides, for easier installation. Every stud is pressed into a copper reinforced bus for added support.

    • Meets American Boat and Yacht Council (ABYC) requirements
    • Tin-plated Copper studs for maximum conductivity and corrosion resistance
    • 7/8" (22 mm) stud length accepts multiple cable terminals
    • Blue Sea System's one-piece terminal stud design never loosens over time
    • Accepts up to 4/0 AWG (120 mm²) battery cables
    • Tactile indicator conveys knob position by feel
    • Case design offers multiple mounting options
    Meets the following Regulatory Specifications

    • CE
    • Ignition Protected
    • IP66
    • ISO 8846 Marine
    • SAE J1171 Marine
    • UL 1107
    • UL1500
    • 6011B Bulk version
    ***Does not come in a plastic clam shell case. This comes directly from the manufacturer loosely packed in bulk boxes.