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BLUE SEA Standard Battery Switches e – SERIES


Ignition protected – Safe for installation aboard gasoline powered boats



The E Series Blue Sea Battery Switch is a simple ON/OFF switch for a single circuit requiring high power output, reliability and low heat generation. It offers a 350A Continuous Rating for small inboard gasoline or diesel engines.

Features include:

  • Ignition protected – Safe for installation aboard gasoline powered boats
  • Tactile textures indicate knob position by feel only
  • Case design allows surface or rear panel mounting
  • Accepts up to 4/0 battery cables
  • Fits all Perko and Guest low amperage battery switch hole patterns
  • Luminous label for low light reading
  • 7/8 stud length to accept multiple cable terminals
  • 3/8″ M10 Tin-plated copper studs for maximum conductivity and corrosion resistance
  • Meets all American Boat and Yacht Council (ABYC) requirements for battery switches
  • Maximum 48 Volts DC
  • Approx 4″ x 4″ footprint
  • Overall Size 3.85″ sq, 3.09 deep
Specifications    9003 – 9004      9001-9002 
Cranking Rating 10 sec      2000 amp DC 2000 amp DC 
Cranking Rating 60 sec 1000 amp DC 1000 amp DC 
Intermittent Rating 5 min 600 amp DC 600 amp DC 
Continuous Rating 350 amp DC 350 amp DC 
Voltage Rating  48VDC Max 32VDC Max 

Additional information

Weight5 lbs
Dimensions6 x 6 x 6 in
MFG Part#


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