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Blue Sea Systems SI-ACR Automatic Charging Relay with Start Isolation

Blue Sea Systems SI-ACR Automatic Charging Relay with Start Isolation

  • Combines Batteries During Charging, Isolates Batteries When Discharging
  • Voltage: 12 / 24 Volt DC, Amperage: 120 Amps Continuous
  • Temporarily Isolates House Loads from Engine Circuit During Engine Cranking
  • Item #: 
    Blue Sea Systems
    Model #: 


    Shipping Weight: 
    1.25 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 SI-ACR Automatic Charging Relay with Start Isolation


    • Automatically combines batteries during charging, isolates batteries when discharging and when starting engines
    • Allows temporary isolation of house loads from engine circuit during engine cranking to protect sensitive electronics – start isolation (SI) indicated by blinking LED
    • Supports high-output alternators up to 120 Amps
    • Ignition protected – safe for installation aboard gasoline powered boats
    • LED light is On when batteries are combined
    • Under voltage lockout – will not close when lower battery is below 9.5 Volt @ 12 Volt System or 19 Volt @ 24 Volt System – lockout indicated by blinking LED
    • Hermetically sealed contacts, vapor-proof
    • Dual Sensingsenses charge source on either battery bank
    • Designed for 12 or 24 Volt systems – 12 / 24 Volt auto-ranging voltage input
    • Remote LED output indicates relay state away from ACR unit


    • Blue Sea Systems Model No. 7610
    • Voltage: 12 / 24 Volt DC
    • Amperage: 120 Amps (continuous) / 210 Amps (intermittent)
    • Max. Cable Size: 1/0 AWG
    • Waterproof rated IP67 – temporary immersion for 30 minutes
    • Meets ISO 8846, UL 1500 and SAE J1171 external ignition protection requirements

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

    CA Prop65 warning

    Blue Sea Systems Mini Add-A-Battery Kit
    Item #: 204917
  • m-ACR Automatic Charging Relay with m-Series Dual Circuit Plus Battery Switch
  • Continuous Rating: Up to 65 Amps, Nominal Voltage 12 / 24 Volt DC
  • Manages Switching and Charging of (2) Batteries from a Single Charge Source
  •  Include
    Model #:
    Blue Sea Systems LED Indicator Light
    Item #: 201330
  • Color: Green, Nominal Voltage: 12 / 24 Volt DC
  • Current: 1.5 mA @ 12 Volt DC, 3.0 mA @ 24 Volt DC
  • Power Consumption: 19 mW @ 12 Volt DC, 73 mW @ 24 Volt DC
  •  Include
    Model #:
    Blue Sea Systems LED Indicator Light
    Item #: 200803
  • Color: Red, Nominal Voltage: 12 / 24 Volt DC
  • Current: 1.5 mA @ 12 Volt DC, 3.2 mA @ 24 Volt DC
  • Power Consumption: 19 mW @ 12 Volt DC, 77 mW @ 24 Volt DC
  •  Include
    Model #:
    Blue Sea Systems WeatherDeck Toggle Switch
    Item #: 201328
  • Pole / Throw: SPST, Action: OFF - ON
  • Max. Operating Amperage: 15 Amps @ 12 Volt DC, (2) Quick Connect Tab Terminals
  • Manufactured for Use In Blue Sea Systems WeatherDeck Waterproof Panels
  •  Include
    Model #:
    Ancor Marine Battery Cable - 50' Spool
    Item #: 201363
  • Size: 6 AWG, Material: Tinned Copper Strands with Vinyl Insulation
  • Length: 50 Feet, Select Color
  • Resists Salt Water, Battery Acid, Oil, Gasoline and UV Radiation
    Reg. Price

    Sale Price

    Model #:
    Multiple Colors Available

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