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Blue Sea Systems ML-ACR Automatic Charging Relay with Manual Control

Blue Sea Systems ML-ACR Automatic Charging Relay with Manual Control

  • Automatically Manages the Charging of (2) Battery Banks
  • Voltage: 24 Volt DC, Amperage: 500 Amps Continuous
  • Includes ML-Series Remote Control Contura Switch and Manual Control Switch
  • Item #: 
    Blue Sea Systems
    Model #: 


    Shipping Weight: 
    1.90 Lbs.
    List Price: 
    Our Price:
    Status:    null In Stock

    Quantity : 


    NOTE: Due to a recent fire at Blue Sea's facility, the lead time on out-of-stock Blue Sea products is longer than normal. We are unable to provide exact dates for each item, but Blue Sea expects to be caught up on orders by July.

    Blue Sea Systems ML-ACR Automatic Charging Relay with Manual Control


    • Manual control switch provides an added level of safety – allows control with or without power, and offers Lock Off capability for servicing
    • Includes ML-Series Remote Control Contura Switch (Blue Sea Systems part no. 2146)
    • Automatically manages the charging of (2) large battery banks
    • Allows paralleling of battery banks for emergency starting
    • 500 Amp continuous rating supports high-output alternators
    • Magnetic Latch (ML) – ACR draws very low current in On or Off states, and draws only moderate current when changing state
    • Start Isolation (SI) – can be configured for temporary isolation of House loads from Engine circuit during engine cranking to protect sensitive electronics
    • Engine Isolation (EI) – can be configured for isolation of two engines while both are running to protect engine electronics and maximize alternator output
    • Dual Sensing – senses charge on (2) battery banks
    • LED output remotely indicates when batteries are combined, isolated, in voltage lockout, or in Start or Engine isolation
    • 3/8"-16 tin-plated copper studs for maximum conductivity and corrosion resistance
    • 7/8" stud length accepts multiple cable terminals
    • Silver alloy contacts provide high reliability for switching live loads


    • Blue Sea Systems Model No. 7623
    • Voltage: 24 Volt DC
    • Amperage: 500 Amps (continuous) / 700 Amps (intermittent)
    • Water resistant rated IP66 – protected against heavy seas
    • Meets ISO 8846 and SAE J1171 external ignition protection requirements

    For further details including dimensions and installation instructions see Data Sheet for this product

    CA Prop65 warning


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