Unique Products for Your Boat

Blue Sea 7713 ML-RBS Remote Battery Switch w/Manual Control Release - 12V

$299.99 $189.99

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ML-RBS Remote Battery Switch with Manual Control Auto-Release - 12V

The Blue Sea 7713 ML-RBS is our favorite low current draw (13mA when ON) high amperage (500A continuous) battery switch. It can also be used with a LiFePO4 BMS that uses standard 12V+ NO/NC switching. Apply +12V to the red wire and it closes. Remove +12V power from the small red wire and it opens. No more fiddling around with trying to convert an NO/NC BMS output to a "pulse" for a typical ML magnetic latching switch. This 7713 also features a manual over-ride switch. Unlike a typical magnetic latching relay, if power is lost, it reverts to OFF/OPEN or fails safely. This is the safe approach for any BMS. This is, by a long shot, the lowest ON or OFF state consumption electronic switch made today.

IMPORTANT LI-ION BMS NOTE: If your BMS pulls the relay contacts to ground, top operate a relay, then you will need to invert this signal in order to use the 7713


  • Manual override knob provides an added level of safety allowing control with or without power and offering LOCKED OFF capability for servicing
  • LED output to remotely indicate switch state - requires optional LED
  • 3/ 8"-16 tin-plated copper studs for maximum conductivity and corrosion resistance
  • 7/ 8" (22mm) stud length accepts multiple cable terminals
  • Label recesses for circuit identification
  • Silver alloy contacts provide high reliability for switching live loads
Auto Releasing ML-Series Remote Battery Switch with SPST Switching Provides 500A switching and features of current ML Remote Battery Switches, but can be controlled with SPST or SPDT switch for applications where a normally open relay is desired

Control Circuit Connection:Tinned Wire
Nominal Voltage:12V DC
Coil Function: Auto releasing
Mounting: #10
Amperage Operating Current:8mA when OFF/13mA when ON
Amperage Operating Current when changing state: <7A (40 ms)
Control Circuit Voltage: 10.1 to 16.5V DC
Continuous Rating: 500A
Intermittent Rating: 700A (5 min)
Cranking Rating: 10 sec 2500A
Cranking Rating: 1 min 1100A
Minimum Operating Temperature: -10° C
Maximum Operating Temperature: 50° C
Cable Size to Meet Ratings: 2x (4/0)
Live Current Switching: 300A @ 12V DC 10,000 Cycles
Master Control Switch Capability: Yes
Mechanical Endurance: 100,000 Cycles
Switching Cycles: 100,000
Terminal Ring Diameter Clearance: 1.18" (29.97mm)
Terminal Stud Length: 0.875" (22.23mm)
Terminal Stud Size: 3/8-16 (M10)
Terminal Stud Torque: 140 in-lb (15.82 Nm)
Weight: 1.75lb (0.79 kg)