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Blue Sea Systems ML-ACR Automatic Charging Relay – 12V / 500A Magnetic

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Blue Sea Systems ML-ACR Automatic Charging Relay – 12V / 500A Magnetic Latching

€110,00
€110,00
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Blue Sea Systems ML-ACR Automatic Charging Relay, Model 7622 — 12V / 500A Magnetic Latching

Magnetic latching automatic charging relay for marine and multi-battery DC power systems

Overview

This is a Blue Sea Systems ML-ACR Automatic Charging Relay, Model 7622 — a 12V, magnetic latching relay rated for 500A continuous current. ACR devices of this type are used in marine and other multi-battery DC systems to automatically combine battery banks for charging when a charge source is present, then isolate them once charging stops, protecting starting batteries from being drained by house loads. The magnetic latching design allows the relay to hold its position without continuously drawing control current, improving efficiency in always-installed applications.

Key Features

  • Magnetic latching design: Holds its switched position without continuous coil current draw, reducing parasitic power loss compared to standard solenoid relays.
  • Automatic charging relay function: Automatically combines battery banks when a charge source is detected and isolates them once charging stops, protecting starting power.
  • High continuous current rating: Rated for 500A continuous current, suited to high-demand multi-battery DC systems.
  • Surge current capacity: Able to handle 700A for up to 5 minutes and 1450A for up to 30 seconds, accommodating short-duration high-current events such as engine cranking.
  • 12V system compatibility: Designed for 12V DC systems, with a 9-16V DC control/contact voltage range.

What's Included

Model Function Qty
ML-ACR (Model 7622) 12V / 500A magnetic latching automatic charging relay 1

Model: 7622 | Brand: Blue Sea Systems | Voltage: 12V

Technical Specifications

Product type: ML-ACR, magnetic latching automatic charging relay.

Model: 7622.

System voltage: 12V.

Current ratings: 500A continuous; 700A for 5 minutes; 1450A for 30 seconds.

Control/contacts voltage: 9-16V DC.

Compatibility & Applications

This relay is designed for 12V multi-battery DC systems commonly found in marine, RV, and off-grid power installations, where it is used to combine battery banks for charging while keeping starting and house batteries isolated during discharge. Buyers should confirm their system voltage and expected current draw fall within the relay's rated limits before installation.

A1Customer — Industrial Automation Equipment | Tampere, Finland
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