Blue Sea Ml-Series Heavy Duty Automatic Charging Relay 7623
Blue Sea Ml-Series Heavy Duty Automatic Charging Relay 7623
Blue Sea Systems
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Blue Sea Systems Ml-Series Heavy Duty Automatic Charging Relay 7623
500 amp rated ML-ACR automatically combines (2) 24 volt DC battery banks during charging & isolates batteries when they are discharging or when starting engines.
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ML-ACR automatic charging relay with manual override control -
Manual control switch provides an added level of safety allowing control with or without power -
Control switch can be locked in OFF position for safety during servicing -
Start isolation can be configured for temporary isolation of house loads from engine circuit during engine cranking to protect sensitive electronics -
Engine Isolation can be configured for isolation of two engines while both are running to protect engine electronics and maximize alternator output -
Magnetic Latch ACR draws very low current to monitor terminal voltage in the "ON" or "OFF" states -
Allows paralleling of battery banks for emergency starting -
Automatically manages the charging of two large battery banks -
Senses charging from two separate sources -
LED output to remotely indicate when batteries are combined, isolated, in voltage lockout, or in start or engine isolation -
Includes Remote Control Contura Switch PN 2146 (ON-OFF-ON action) -
24 volt DC coil voltage -
Bi-stable ML-coil function -
500 amp continuous rating -
700 amp intermittent rating -
3/8”-16 (M10) tin-plated copper terminal stud -
7/8 in. (22 mm) stud length to accept multiple cable terminals -
1 /4 in. x .032 in. male quick connect terminal for ground -
Silver alloy contacts provide high reliability for switching live loads -
One piece stainless flange nuts ensures secure connections -
Stripped wire cable end -
Label recesses for circuit identification -
Waterproof rated IP66 – protected against powerful water jets -
Meets ISO 8846 and SAE J1171 – ignition protection requirements -
CE marked

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Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
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