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Blue Sea Systems 7610B SI-ACR Automatic Charging Relay – 12/24V DC 120A

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SKU: 000230 Category:

Blue Sea Systems 7610B SI-ACR Automatic Charging Relay – 12/24V DC 120A

Automatically combines batteries during charging, isolates batteries when discharging and when starting engines
Features

  • Protects sensitive electronics by temporary isolation of house loads from engine circuit during engine cranking
  • Designed for 12 or 24 volt systems
  • 12/24 volt auto ranging voltage input
  • Hermetically sealed contacts/vaporproof
  • Ignition protected—safe for installation aboard gasoline powered boats
  • Supports high-output alternators up to 120 Amperes
  • Dual sensing

Optional Features

  • Start Isolation allows temporary isolation of House loads from Engine circuit during engine cranking to protect sensitive electronics from sags and spikes
  • Remote LED remotely indicates ACR states – requires optional LED

jpg fileDimensioned Drawing
png fileLED Status Chart
pdf fileInstructions
png fileInstallation with Battery Charger
pdf fileDiagnostic Flowchart

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Description

Automatically combines batteries during charging, isolates batteries when discharging and when starting engines
Features

  • Protects sensitive electronics by temporary isolation of house loads from engine circuit during engine cranking
  • Designed for 12 or 24 volt systems
  • 12/24 volt auto ranging voltage input
  • Hermetically sealed contacts/vaporproof
  • Ignition protected—safe for installation aboard gasoline powered boats
  • Supports high-output alternators up to 120 Amperes
  • Dual sensing

Optional Features

  • Start Isolation allows temporary isolation of House loads from Engine circuit during engine cranking to protect sensitive electronics from sags and spikes
  • Remote LED remotely indicates ACR states – requires optional LED

jpg fileDimensioned Drawing
png fileLED Status Chart
pdf fileInstructions
png fileInstallation with Battery Charger
pdf fileDiagnostic Flowchart

Nominal Voltage 12V DC
24V DC
Start Isolation  Yes
Amperage Operating Current 175mA (combined)
15mA (open)
Terminal Stud Torque 140 in-lb (15.82 Nm)
Continuous Rating  120A
Intermittent Rating  210A (5 min)
Cable Size to Meet Ratings 1/0 AWG
Stud Material Tinned Copper
Terminal Ring Diameter Clearance 1.12in (28.45 mm)
Terminal Stud Length 0.875in (22.23 mm)
Terminal Stud Size 3/8″ – 16 (M10)
Relay Contact Position
Combine 30 sec 13.6V @ 12 V
27.2V @ 24 V
Combine 90 sec 13.0V @ 12 V
26.0V @ 24 V
Open 10 sec 12.35V @ 12 V
24.7V @ 24 V
Open 30 sec 12.75V @ 12 V
25.5V @ 24 V
Open High 16.0V @ 12 V
30.0V @ 24 V
Overvoltage Lockout 16.0V @ 12V
32.0V @ 24V
Undervoltage Lockout  9.5V @ 12 V
19V @ 24 V
Weight 1.25lb (0.57 kg)

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