Battery Selector, M-750 Series, Mastor Disconnect Switches


Battery Selector, M-750 Series, Mastor Disconnect Switches
SKU: 543697
Mfg# M-750
UNIT: Each
In Stock - Ships out in 1 Business Day
  • Rating: 500A intermittent, 310A continuous, 6-36V DC Electrical ratings on UL labels are conservative. Electrical Ratings Labeled UL 707B
  • Use with either alternators or generators
  • Make before break design permits operation through the three On positions with the engines running. Engines should always be shut down before turning to Off.
  • Heavy-Duty Construction Vaporproof, weather-, dust- and corrosion-resistant.
  • Durable, fracture-resistant high temperature plastic case, knob and insulator.
  • Switches conform to USCG section 183.410 for ignition protection.
  • Heavy duty copper stud terminals, with brass hexnuts.
  • Can be surface mounted, or installed through a 3 5/16" diameter hole in the panel.
  • Dimensions: Flange: 6" (152.4mm) diameter, overall height 2 5/8" (66.7mm).
  • Terminals: 3 copper studs, 3/8" (9.5mm) diameter.

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The length of the warranty may vary by product, please refer to your product for the exact terms and conditions of the warranty for your purchase.


  • All returns must be recevied within 30 days of receipt.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine LFS Marine and Outdoor for Manufacture Defects, Returns and help with Warranties.