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ML-ACR - front

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  • ML-ACR - front

Blue Sea 7622 ML-ACR Automatic Charging Relay w/ Manual Control - 12vDC 500A

SKU: BS-7622
Part #: 7622

12V / 500A - Continuous
12V / 700A - Intermittent (up to 5 minutes)
12V / 1450A - 30-second Cranking

Availability: In stock

Product Description


    The Blue Sea Systems 7622 ML-ACR (Magnetic Latch) Automatic Charging Relay automatically combines batteries during charging and isolates batteries when discharging and when starting the engine.

    • Includes ML-Series Remote Control Contura Switch (Part #: 2146)
    • The ML-ACR draws very low current (<40mA to monitor terminal voltage) 
    • Manual control switch provides an added level of safety allowing control with or without power, and offering "Locked Off" capability for servicing
    • 500 Ampere continuous rating for engine, inverter, house loads, and emergency battery combined
    • Silver alloy contacts provides high reliability for switching live loads
    • 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


    Cranking Rating: 30 sec. 1,450A DC
    Intermittent Rating: 5 min. 700A
    Continuous Rating 500A
    Rated Switch Cycles 100,000
    Amperage Operating Current - continuous 13mA
    Amperage Operating Current - when changing state <7.0A
    Terminal Stud Size 3/8" - 16 (M10)
    Terminal Stud Length 1.5 inch (38.1 mm)
    Terminal Ring Diameter Clearance 1.12 inch (28.45 mm)
    Cable Size 20 AWG
    Cable Size to Meet Ratings 4/0 AWG x 2
    Live Current Switching 300A @ 12V DC
Additional Information

    Additional Information

    Manufacturer Blue Sea