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

Nominal Voltage	12V DC
Nominal Voltage	24V DC
Start Isolation	Yes
Amperage Operating Current	175mA (combined)
Amperage Operating Current	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
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
Combine 30 sec	27.2V @ 24 V
Combine 90 sec	13.0V @ 12 V
Combine 90 sec	26.0V @ 24 V
Open 10 sec	12.35V @ 12 V
Open 10 sec	24.7V @ 24 V
Open 30 sec	12.75V @ 12 V
Open 30 sec	25.5V @ 24 V
Open High	16.0V @ 12 V
Open High	30.0V @ 24 V
Over Voltage Lockout	16.0V @ 12V
Over Voltage Lockout	32.0V @ 24V
Under Voltage Lockout	9.5V @ 12 V
Under Voltage Lockout	19V @ 24 V
Weight	1.25lb (0.57 kg)
Code	7610