Blue Sea Systems 9004E e-Series Battery Switch Single Circuit ON/OFF with Alternator Field Disconnect

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WOLF'S PRICE: $74.99


Series Battery Switch, Single Circuit ON-OFF w/AFD-Red

Switches a single battery to a single load group


  • Includes AFD (Alternator Field Disconnect)
  • Ignition protected—safe for installation aboard gasoline powered boats
  • Case design allows surface or rear panel mounting
  • Meets American Boat and Yacht Council (ABYC) requirements for battery switches
  • 3/8"-16 tin-plated copper studs for maximum conductivity and corrosion resistance, accepts 3/8" and M10 ring terminals
  • 7/8" (22.22mm) stud length to accept multiple cable terminals
  • Tactile textures indicate knob position by feel only


  • Cranking Rating: 10 sec. : 2,000 Amps 
  • Intermittent Rating: 5 min. : 600 Amps
  • Continuous Rating: 350 Amps
  • Maximum Voltage :Rating 48 Volts DC
  • Terminal Stud Size: 3/8-16 (M10) 
  • Terminal Stud Torque: 140 in-lb (15.82 N?m) max. 
  • Mounting Holes: Accept 1/4" (M6) Screw
  • Cable Size to Meet Ratings: 4/0 AWG (120mm?)
  • Cable Clearance For 4/0 AWG Cables: 1.10 (27.9mm) 
  • Weight Lb (Kg) : 1.30 (0.59)
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WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to