Cole Hersee Selector / Master Disconnect Battery Switch
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Cole Hersee Selector / Master Disconnect Battery Switch

  • Switches Isolated Battery Banks or Combines Battery Banks to All Loads
  • Continuous Rating: 310 Amps, Max. Voltage: 36 Volt DC
  • Ignition Protected, Make-Before-Break Contact Design
  • Item #: 
    Cole Hersee
    Model #: 
    Shipping Weight: 
    1.35 Lbs.
    List Price: 
    Our Price:
    Status:    In Stock



    Cole Hersee Selector / Master Disconnect Battery Switch


    • Switch combines functions of Battery Selector and Master Disconnect Switch for (4) battery power options:
      • Power ON, battery 1
      • Power ON, battery 2
      • Power ON, both batteries
      • Power cut off at source
    • Make-before-break contact design allows switching between battery banks without power interruption*
    • Use with either alternators or generators
    • Vapor proof, weather-, dust- and corrosion-resistant
    • Durable fracture-resistant high temperature plastic case, knob and insulator
    • Heavy duty copper stud terminals, with brass hex nuts
    • Can be surface mounted, or installed through a 3-5/16" dia. hole in panel


    • Cole Hersee Model No. M-750-BP
    • Switch Type: Selector 4 Position
    • Continuous Rating: 310 Amps
    • Intermittent Rating (5 min.): 500 Amps
    • Max. Voltage: 36 Volt DC
    • Dimensions: 6" dia. (flange) x 2-5/8" H (overall)
    • Regulatory:
      • CE marked, Marine UL listed 707B, conforms to USCG section 183.410 for ignition protection

    For more information see Product Data Sheet

    *Make-before-break design permits operation through the (3) ON positions with engine running. Engine should always be shut down before turning to OFF.

    WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to


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