U.S. Customers: Orders shipped from Canada may be subject to U.S. import duties, taxes, and/or tariffs as assessed by U.S. Customs and your carrier. These charges are not included in our product prices or shipping rates. You are responsible for any duties/tariffs/fees due on delivery or prior to delivery.
Canadian Based. Customer Focused.

Premium Marine Quality Parts

Blue Sea Systems

Blue Sea 11003 HD-Series Battery Switch w/Alternator Field Disconnect - 3-Position

LSN 34970 MPN 11003 UPC 632085110031 MFR Blue Sea Systems
Special Order
BC, Warehouse

"Special Order" items will take longer to process and ship then "Express" items.
Typically takes no more then 14 days for delivery.

For next day parts. Visit our express parts catalog Here.
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$216.83
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11003

Features:
  • Meets American Boat and Yacht Council (ABYC) requirements for battery switches
  • Ignition protected safe for installation aboard gasoline powered boats
  • Case design allows surface or rear panel mounting
  • Accepts two 4/0 AWG (95mm) battery cables
  • M12 tin-plated copper studs for maximum conductivity and corrosion resistance, accepts 1/2" and M12 ring terminals
  • 7/8" (22.22mm) stud length to accept multiple cable terminals
  • Tactile textures indicate knob position by feel only
  • Case design allows surface or rear panel mounting
Switch Ratings:
    10 Sec: 2750A
    60 Sec: 1150A
    5 Min: 700A
    Continuous: 500A
    Max Voltage: 32V DC

    WarningWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

    Documentation

    BrochureDownload PDF

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Northern Marine Canada
Proudly Canadian Owned & Operated!
Serving customers across Canada & the USA with marine parts and accessories.
Canadian Head Office:
Kingston, Ontario, Canada
Warehouse Locations:
Toronto, Ontario, Canada
New Jersey, USA
Florida, USA

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.