Auto/Diode Charging
    Blue Sea Systems m-Series Automatic Charging Relay - 12/24V DC 65A
    Blue Sea Systems

    Blue Sea Systems m-Series Automatic Charging Relay - 12/24V DC 65A

    SKU BLUE-7601

    Our Price$85.40MSRP $102.48
    Low stock · 2 left
    Nominal Voltage
    12V DC; 24V DC
    Start Isolation
    Yes
    Amperage Operating Current
    90mA (Combine); 15mA (Open)
    Terminal Stud Torque
    60 in-lb (6.78 Nm)
    Continuous Rating
    65A
    Intermittent Rating
    115A (5 min)
    Cable Size to Meet Ratings
    6 AWG
    Maximum Cable Size
    1/0 AWG

    Stocked items typically ship the next business day from our US warehouse. 30-day returns on unused stocked items. Exclusions apply. Return policy · Shipping policy

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    About this product

    m-Series Automatic Charging Relay - 12/24V DC 65A. Senses charging on two battery banks. Pull off and snap on insulating cover.

    Key features

    • Senses charging on two battery banks
    • Pull off and snap on insulating cover
    • LED indicates ACR status
    • 1 ∕4" x .032" male quick connect terminal for ground
    • 7∕ 16" (11 mm) stud length to accept multiple cable terminals
    • Waterproof – rated IP67 for temporary immersion

    For installation planning, check the manufacturer's ratings: nominal voltage: 12V DC; 24V DC; amperage operating current: 90mA (Combine); 15mA (Open); continuous rating: 65A.

    Manufacturer part 7601. Confirm the circuit rating, mounting arrangement, and required accessories against the manufacturer specifications before selecting this part.

    Manufacturer specifications

    Nominal Voltage
    12V DC; 24V DC
    Start Isolation
    Yes
    Amperage Operating Current
    90mA (Combine); 15mA (Open)
    Terminal Stud Torque
    60 in-lb (6.78 Nm)
    Continuous Rating
    65A
    Intermittent Rating
    115A (5 min)
    Cable Size to Meet Ratings
    6 AWG
    Maximum Cable Size
    1/0 AWG
    Stud Material
    Tinned Brass
    Terminal Stud Size
    1/4" - 20 (M6)
    Combine 30 sec
    13.6V DC
    Open 10 sec
    12.35V DC
    Open 30 sec
    12.75V DC
    Open High
    16.0V
    Undervoltage Lockout
    9.5V
    Weight
    0.80lb (0.36 kg)

    Product details

    Series
    M
    Voltage
    12V DC; 24V DC
    Amperage
    65 A
    Function
    Charge Relay
    Device Type
    m-ACR
    Manufacturer
    Blue Sea Systems
    Product Type
    m-ACR

    Shipping & returns

    • Stocked items typically ship the next business day from our US warehouse.
    • 30-day returns on unused stocked items. Exclusions apply. See policy
    • Custom and quoted items are non-returnable once production begins.

    Warranty

    Backed by the original manufacturer’s warranty plus our workmanship guarantee on assembled harnesses. Contact us with your invoice and we’ll coordinate any covered repair or replacement.

    Read the full warranty terms

    Technical support

    Need help choosing the right part?

    Our marine electrical team can review your setup and recommend compatible products. Send a photo, a sketch, or your circuit list and we'll come back with a parts list that fits the boat.

    Certifications & training

    • ABYC-aware build practices
    • OEM-grade marine wire & terminals

    Additional capabilities are based on hands-on experience building marine wiring systems rather than third-party certification.

    Share your project

    Have you used this product in a project? Send us photos of your install for consideration in our project gallery.

    Why buy from Common Ground Marine

    • 20+ years building marine wiring harnesses, panels, and shore-power systems.
    • Engineers — not a phone tree — review every custom build before parts are cut.
    • OEM-grade components: tinned copper, sealed connectors, marine-rated jackets.