Blue Sea m-Series Mini Dual Circuit Plus Battery Switch

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Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch

The m-Series Mini Dual Circuit Plus Battery Switch simultaneously switches two isolated battery banks or combines battery banks to all loads. The make before break contact design allows for switching between battery banks without power interruption. 

The case design of this battery switch allows for surface moutning, front or rear panel mounting. Features a removable knob for security and service lockout. 


  • Switch Type: Dual Circuit Plus
  • Color: Red
  • Switch Positions: 3
  • Maximum Voltage: 32V DC
  • Terminal Stud Torque: 120 in-lb.
  • Continuous Rating: 300A
  • Intermittent Rating: 450A (5 min)
  • Battery Inputs: 2
  • Cable Clearance for 4/0 AWG Cables: 1.12 in.
  • Cable Size to Meet Ratings: 4/0 AWG
  • Mounting Holes: Accepts #10 Screw
  • Terminal Stud Size: 3/8" - 16
  • Weight: 0.80 lb.

Meets all American Boat and Yacht Council (ABYC) requirements for battery switches.

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

California Residents: warning sign WARNING Cancer and Reproductive Harm -

Other Details

Google Product Type:
Battery Switch
Number of Banks:
2 Or More
Product MPN:
Product UPC:

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