Blue Sea Systems ML-ACR Automatic Charging Relay, 12V 500A with Manual Control

Ensure optimal battery management and system protection with the Blue Sea Systems 7622 ML-Series Heavy Duty Automatic Charging Relay. Designed for demanding marine, RV, and off-grid applications, this intelligent relay automatically combines batteries during charging and isolates them during discharge or engine start, protecting sensitive electronics. Its robust design and manual override capabilities make it an essential component for high-performance electrical systems. Upgrade your battery management for superior reliability today.

• Blue Sea Systems 7622 ML-ACR Automatic Charging Relay
• ML-Series Remote Control Contura Switch (PN 2146)

• High-Capacity Performance: Features a 500 Ampere continuous rating, with 700A intermittent and 1450A cranking ratings, ideal for supporting high-output alternators and demanding loads.
• Ultra-Low Standby Current: Magnetic Latch (ML-ACR) technology draws less than 40 mA to monitor terminal voltage in ON or OFF states, preserving battery life.
• Enhanced Safety & Control: A manual control switch provides 'Locked Off' capability for safe servicing and emergency isolation, offering control with or without power.
• Intelligent Dual Sensing: Automatically senses charging status on two battery banks, ensuring efficient combining for charging and isolation for protection.
• Configurable Isolation Modes: Features Start Isolation (SI) to protect house loads during engine cranking and Engine Isolation (EI) to safeguard engine electronics and maximize alternator output in dual-engine setups.
• Remote Status Indication: Equipped with an LED output to remotely indicate when batteries are combined, isolated, in voltage lockout, or in Start/Engine isolation.
• Superior Connectivity: Utilizes 3/8"-16 tin-plated copper studs for maximum conductivity and corrosion resistance, with a 7/8" (22mm) stud length to accept multiple cable terminals.
• Durable Construction: Features silver alloy contacts for high reliability in switching live loads and an IP66 water-resistant, ignition-protected enclosure rated for 100,000 mechanical cycles for extreme durability.

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.