Blue Sea Systems e-Series 48V On/Off Battery Switch

SKU: 9003E

Blue Sea Systems 9003E - e-series 48V On/Off Battery Switch


  • Ignition protected - safe for installation aboard gasoline/diesel-powered boats.
  • Accepts up to 4/0 AWG battery cables.
  • Studs accept 3/8 (M10) ring terminals.

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  • Manufacturer Blue Sea Systems
  • Accessory Product Type Battery Isolators & Combiners
  • Commodity Code 85365080
  • Dimensions (mm) (H x W x D) 97.7 x 97.7 x 78.6


  • 7/8 (22mm) stud length accepts multiple cable terminals.
  • Case design allows surface, rear, or front panel mounting.
  • Tin-plated copper studs for maximum conductivity and corrosion resistance.
  • Blue Sea Systems one-piece terminal stud design never loosens over time.


  • Meets UL 1500 and SAE J1171 external ignition protection requirements.
  • Meets American Boat and Yacht Council (ABYC) requirements.
  • Waterproof - IP66 rated against powerful water jets.
  • UL Listed - UL 1107 electric power switches.
  • ISO 8846

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