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Blue Sea BatteryLink™ Automatic Charging Relay - 12V/24V DC 120A
Cat. No. 7611-BSS
Weight 2 lbs

Automatically shares single source of charge with Auxiliary Battery
  • 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
  • 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 optional LED

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)
Terminal Stud Size 3/8" - 16 (M10)
Relay Contact Position
Combine 30 sec 13.6V @ 12V
27.2V @ 24V
Combine 2 Min 13.0V @ 12V DC
26.0V @ 24V DC
Over Voltage Lockout 16.0V @ 12 V
32.0V @ 24 V
Open Low 12.75V @ 12 V
25.5V @ 24 V
Auxiliary Priority
Open Low 12.25V @ 12V
24.5V @ 24V
Weight 1.25lb (0.57 kg)

Meets the following Regulatory Specifications
CE Marked
ISO 8846
SAE J1171

pdf fileDiagnostic Flowchart

jpg fileDimensioned Drawing

pdf fileInstructions

pdf fileSelecting Fuses and Wire Size

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