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

$94.99

#7610

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
Specifications
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
Over Voltage Lockout 16.0V @ 12V
32.0V @ 24V
Under Voltage Lockout 9.5V @ 12 V
19V @ 24 V
Weight 1.25lb (0.57 kg)

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