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Blue Sea "M" Series Battery Switch - 3-Position

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List Price: $75.99
Starting At: $51.49
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Blue Sea "M" Series Battery Switch - 3-Position

This Blue Sea "M" Series Battery Switch - 3-Position is ignition protected making it safe for installation aboard gasoline powered boats. It switches a single battery to a single load group. The case design allows for surface or rear panel mounting. This 3-Position "M" series battery switch is an ideal choice among many.


  • Case Design Allows For Surface Or Rear Panel Mounting
  • Ignition Protected
  • Safe For Installation Aboard Gasoline Powered Boats
  • Switches A Single Battery To A Single Load Group


  • Maximum Voltage: 32V DC
  • Switch Positions: 3
  • Continuous Rating: 300A
  • Battery Combine: No
  • Switch Type: Selector 3 Position
  • Intermittent Rating: 500A (5 Min)
  • Color: Red
  • Alternator Field Disconnect: No
  • Cranking Rating 30 Seconds: 900A
  • Terminal Stud Torque: 120 in-lb (13.56 Nm)
  • Terminal Stud Size: 3/8" - 16 (M10)
  • Battery Inputs: 2
  • Cable Size To Meet Ratings: 4/0 AWG (120mm²), 4/0 AWG (130mm²)
  • Mounting Holes: Accept #10 Screw
  • Cable Clearance For 4/0 AWG Cables: 1.12 in (28.45 mm)

pdficon.png Click to Download Blue Sea's Battery Management Wiring Schematics

California Residents: warning sign WARNING Cancer and Reproductive Harm -



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Battery Switch
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