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
Start Isolation (1) Yes
Amperage Operating Current 175mA (Combine) 15mA (Open)
Terminal Stud Torque 140 in-lb (15.82 Nm)
Continuous Rating (2) 120A
Intermittent Rating (3) 210A (5 min)
Cable Size to Meet Ratings 1/0 AWG
Maximum Cable Size 1/0 AWG
Stud Material Tinned Copper
Terminal Stud Size 3/8" - 16 (M10)
Terminal Stud Length 0.875in (22.23 mm)
Terminal Ring Diameter Clearance 1.12in (28.45 mm)
Relay Contact Position
Combine 30 sec 13.6V @ 12 V / 27.2V @ 24 V
Combine 2 Mins 13.0V @ 12 V / 26.0V @ 24 V
Over Voltage Lockout 16.0V @ 12V / 32.0V @ 24V
Open Low 12.75V @ 12 V / 25.5V @ 24 V
Auxiliary Priority
Open Low 12.25V @ 12 V / 24.5V @ 24 V
Weight 1.25lb (0.57 kg)

1) Condition: Engine starting

  • Relay is open isolating batteries
  • Batteries are isolated to protect sensitive electronics from voltage sags and spikes

2) The maximum current a switch is designed to conduct for an indefinite period.

3) The maximum amount of current a switch is designed to carry for a minimum of a designated period of time.

4)  As a safety feature, some ACR's prevent combining into a severely discharged battery. A dual-sensing ACR will monitor the voltage on both batteries and will not connect if either battery is below the under voltage lockout level. Use caution when combining into a battery with extremely low voltage, because this might represent a faulty battery or a problem elsewhere in the system.

SKU 632085076115
Barcode # 7611-BSS
Brand Blue Sea Systems
Shipping Weight 0.6000kg
Shipping Width 0.210m
Shipping Height 0.090m
Shipping Length 0.160m
Shipping Cubic 0.003024000m3

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