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Blue Sea Systems e-Series On-Off Battery Switch

Blue Sea Systems e-Series On-Off Battery Switch

  • Single Circuit ON-OFF, Switches Single Battery to Single Load Group
  • Continuous Rating: 350 Amps, Max. Voltage: 48 Volt DC
  • Ignition Protected
  • Item #: 
    Blue Sea Systems
    Model #: 


    Shipping Weight: 
    0.95 Lbs.
    List Price: 
    Our Price:
    Status:  null In Stock

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    Blue Sea® Systems e-Series On-Off Battery Switch


    • Switches a single battery to a single load group
    • Disconnects single battery bank in emergencies, or when vessel is not in use
    • 350 Amps continuous rating for inboard gasoline or diesel engines
    • Ignition protected – safe for installation aboard gasoline powered boats
    • Case design allows surface or rear panel mounting
    • Tin-plated copper studs for maximum conductivity and corrosion resistance
    • Accepts up to 4/0 AWG battery cables
    • Terminal studs accept 3/8" (M10) ring terminals
    • 7/8" stud length accepts multiple cable terminals
    • Blue Sea Systems one-piece terminal stud design never loosens over time
    • One-piece stainless steel flange nuts ensure safe and secure connections
    • Fits most standard Perko and Guest battery switch hole patterns
    • Blue Sea Systems stands behind its products for as long as you own them


    • Blue Sea Systems Model No. 9003E
    • Switch Type: Single Circuit On-Off
    • Color: Red
    • Cranking Rating (30 sec.): 1200 Amps
    • Intermittent Rating (5 min.): 600 Amps per circuit
    • Continuous Rating: 350 Amps
    • Maximum Operating Voltage: 48 Volt DC
    • Regulatory:
      • Meets UL 1500 and SAE J1171 external ignition protection requirements
      • Ingress Protection IP66 - dustproof / protected against heavy seas and jets of water from all directions
      • CE marked, ISO 8846, UL Listed - UL 1107 electric power switches
      • Meets American Boat and Yacht Council (ABYC) requirements for battery switches

    For more information see Instructions for Use

    CA Prop65 warning

    Blue Sea Systems Mini Add-A-Battery Kit
    Item #: 204917
  • m-ACR Automatic Charging Relay with m-Series Dual Circuit Plus Battery Switch
  • Continuous Rating: Up to 65 Amps, Nominal Voltage 12 / 24 Volt DC
  • Manages Switching and Charging of (2) Batteries from a Single Charge Source
  •  Include
    Model #:
    Blue Sea Systems Add-A-Battery Kit
    Item #: 204617
  • e-Series Dual Circuit Plus Battery Switch with SI-ACR Automatic Charging Relay
  • Continuous Rating: Up to 120 Amps, Nominal Voltage 12 / 24 Volt DC
  • Manages Switching and Charging of (2) Batteries from a Single Charge Source
  •  Include
    Model #:

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