Blue Sea 7610 120 Amp SI-Series Automatic Charging Relay

The 7610 120 Amp SI-Series Automatic Charging Relay is designed specifically for marine and boating applications, providing reliable battery management to keep your vessel's electrical system running smoothly. Whether you're cruising the seas or docked at harbor, this ACR ensures your batteries are efficiently charged while protecting sensitive onboard electronics from damaging power surges during engine start-up.

Key Features

• Protects sensitive electronics by temporarily isolating house loads from the engine circuit during cranking
• Automatically combines battery banks during charging cycles and isolates them under discharge conditions
• Compatible with both 12 and 24 Volt systems through auto-ranging voltage input
• Durable IP67 waterproof rating, offering temporary immersion protection for up to 30 minutes
• Ignition protected, ensuring safe operation on gasoline-powered boats
• Remote LED output for relay state indication, allowing monitoring away from the ACR unit
• LED indicators display when batteries are combined and blink during undervoltage or starting lockout scenarios
• Supports high-output alternators with capacities up to 120 Amperes
• Seamlessly integrates with any charging source, including alternators, battery chargers, and solar panels

Technical Specifications

Voltage Input	12/24 Volt Auto-Ranging
Current Rating	120 Amperes
Waterproof Rating	IP67 - Temporary immersion up to 30 minutes
LED Indicators	Remote LED output for relay state Battery combined indicator Undervoltage and starting lockout blink indicators
Compatibility	High-output alternators, battery chargers, solar panel systems
Housing	Hermetically sealed, vaporproof contacts ensure longevity and reliability
Mounting Options	Side and bottom knockouts for versatile power cable connections
Terminals	1/4" x 0.031" male quick connect for ground 1/4" x 0.031" male quick connect for remote LED Starting interrupt connection Tin-plated copper studs (7/8" / 22.22mm) for multiple cable terminals and enhanced corrosion resistance

Design and Durability

• Clip-on cover protects and insulates terminal connections, ensuring safety and reducing maintenance
• Tin-plated copper studs provide maximum corrosion resistance, ideal for marine environments

Included Accessories

• ADD A BATTERY Dual Circuit System (included with purchase)

Safety Information

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, visit P65Warnings.ca.gov.

Resources

Owner's Manual (PDF)