Blue Sea Solenoid Battery Link 120A ACR

The Blue Sea Systems BatteryLink™ Automatic Charging Relay (ACR) is a robust and reliable solution for managing dual battery banks in marine and vehicle applications. Engineered to automatically share a single charging source with an auxiliary battery, this 120A, 12/24V DC auto-ranging relay ensures efficient power distribution while isolating batteries during discharge to prevent unwanted drain.

Features

• 120 Amp continuous rating
• 12/24V DC auto-ranging voltage input
• Senses charging on two battery banks
• Side and bottom knockouts for cable connections
• Clip-on cover insulates terminal connections
• 7∕8" (22 mm) stud length to accept multiple cable terminals
• Integrated LED indicates ACR status
• 1∕4" × .032" male quick-connect terminals for ground and optional features
• The largest battery bank cannot exceed Group 27

Optional Features

• Optional Auxiliary Battery Priority: connection shares the alternator charge with the Auxiliary battery longer when the engine is running to allow the use of auxiliary loads for an extended period of time
• Remote LED: remotely indicates ACR states - requires an optional LED

Specifications

• Nominal Voltage: 12V DC ,24V DC
• Auxiliary Battery Priority: Yes
• Amperage Operating Current: 175mA @ 12V (Combine)
  115mA @ 24V (Combine) 15mA (Open)
• Continuous Rating: 120A
• Intermittent Rating: 210A (5 min)
• Maximum Cable Size: 1/0 AWG
• Maximum Torque: 140 in-lb (15.82 Nm)
• Stud Material: Tinned Copper
• Terminal Stud Size: 3/8" - 16 (M10)
• Weight: 1.25lb (0.57 kg)

Dimension Drawing

Technical Files

BatteryLink® ACR Automatic Charging Relay Instructions

Declaration of Conformity for Automatic Charging Relays

CE Certificate for Automatic Charging Relays