Blue Sea 7622100 ML ACR Charging Relay 12V 500A w/Manual Control Deutsch Connector

The 7622100 ML ACR Charging Relay is a robust and reliable solution designed specifically for marine and boating applications. It ensures seamless power management between multiple battery banks, providing optimal performance and safety for your vessel’s electrical system. With its high current rating and manual control features, this relay is essential for maintaining consistent power supply and protecting your marine electronics.

Product Overview

Engineered for demanding marine environments, the 7622100 ML ACR Charging Relay automatically combines batteries during charging and isolates them during discharging or engine start-up. Its magnetic latching technology ensures energy efficiency and longevity, making it an indispensable component for boaters who require dependable power management.

Key Features

• Manual Control Switch: Provides an added level of safety, allowing control with or without power, and offers LOCK OFF capability for servicing.
• Automatic Battery Management: Seamlessly manages the charging of two large battery banks, ensuring optimal battery health and performance.
• Emergency Starting: Enables paralleling of battery banks for reliable emergency engine starting.
• High Current Capacity: With a continuous rating of 500A, it supports high-output marine alternators efficiently.
• Magnetic Latch Technology: Consumes very low current (<40mA) in both "ON" and "OFF" states, ensuring minimal power drain.
• Dual Sensing: Monitors the charge levels of both battery banks for precise power management.
• Start Isolation (SI): Configurable for temporary isolation of house loads from the engine circuit during engine cranking to protect sensitive electronics.
• Engine Isolation (EI): Can be set up to isolate two engines running simultaneously, protecting engine electronics and maximizing alternator output.
• LED Indicators: Provides remote status indications for combined, isolated, voltage lockout, Start, or Engine isolation states.
• Durable Construction: Features 3/8"-16 tin-plated copper studs for maximum conductivity and corrosion resistance, essential for marine environments.
• Flexible Connectivity: 7/8" (22mm) stud length accommodates multiple cable terminals for versatile installations.
• High Reliability: Silver alloy contacts ensure dependable switching of live loads in demanding conditions.
• Convenient Label Recesses: Facilitate easy circuit identification for streamlined maintenance and troubleshooting.

Technical Specifications

Specification	Details
Control Circuit Connection	Deutsch DTM
Nominal Voltage	12VDC
Manual Control	Yes
Engine Isolation	Yes
Mounting	#10
Start Assist	Yes
Start Isolation	Yes
Amperage Operating Current	13mA
Amperage Operating Current When Changing State	<7.0A
Terminal Stud Torque	140 in-lb (15.82 Nm)
Continuous Rating	500A
Intermittent Rating	700A (5 min)
Cranking Rating (30 Seconds)	1450A DC
Cable Size to Meet Ratings	2x (4/0)
Live Current Switching	300A@12VDC
Switching Cycles	100,000
Terminal Ring Diameter Clearance	1.18" (29.97 mm)
Terminal Stud Length	0.875" (22.23 mm)
Terminal Stud Size	3/8" - 16 (M10)

Installation and Compatibility

The 7622100 ML ACR Charging Relay is designed for easy integration into your marine electrical system. Its robust construction and high current capacity make it compatible with a wide range of marine batteries and alternators. Whether you’re upgrading your boat’s power management system or installing a new one, this relay provides the reliability and performance needed for a safe and efficient marine operation.

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.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.