Description
Product Description:
The BLUE SEA SYSTEMS ML-Series Automatic Charging Relay with Manual Control – 7622 is a heavy-duty, 500A-rated solenoid designed to automatically manage the charging of two large battery banks. This unit features manual control (MC) with three modes: Auto, On, and Off, providing flexibility for maintenance and emergency use. Engineered for 12V DC systems, it ensures optimal battery charging without overloading the alternator, making it ideal for marine and RV electrical systems.
Key Features:
Automatic Charging Relay (ACR) – combines or isolates batteries automatically based on voltage.
500 Amps continuous rating – suitable for high-current applications like engine starting.
Manual Control (MC) – allows override of automatic functions for manual combine/off modes.
Start Isolation – protects sensitive electronics by isolating house loads during engine cranking.
LED Indicators – show operational status and troubleshooting codes.
Ignition Protection – safe for installation in gasoline engine compartments.
Remote Control Ready – compatible with remote switch for convenient dashboard operation.
Specifications:
Model: 7622
Type: ML-Series ACR with Manual Control
Voltage: 12V DC
Continuous Current Rating: 500A
Intermittent Current Rating: 700A (5 min)
Terminal Stud Size: 3/8″-16 (10mm)
Mounting: Surface mount
Manual Override Positions: Auto / On (Combine) / Off (Isolate)
Start Isolation Input: Yes
Remote Control Ready: Yes (optional remote switch not included)
Ingress Protection: IP66 – dust-tight and protected against powerful water jets
Operating Temperature Range: -40°C to +85°C
Weight: Approx. 2.3 lbs (1.04 kg)
Certifications: CE, Ignition Protected per SAE J1171
Applications:
Perfect for marine, RV, emergency vehicles, and off-grid systems where high-amperage battery management with manual control is needed
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