Blue Sea SI-ACR 120A Automatic Current Limit Relay

SI-ACR AUTOMATIC CURRENT LIMIT RELAY – 12/24 V DC 120 A

Connects batteries to each other during charging and isolates them while discharging and engine start up.

FEATURES
• Protects sensitive electronic devices by isolating the current-using equipment momentarily from the motor’s start-up circuit as it is started
• Suitable for both 12 V and 24 V systems
• Automatic voltage selection (12/24 V)
• Hermetically sealed contacts; protected from gases and vapor
• Protected against arcing — also safe for boats with gasoline-powered engines
• Supports high-performance chargers max 120 A
• Two detection circuits
OPTIONAL FEATURES
• Start-up isolation disconnects current-using equipment from the motor's start-up circuit during start-up and protects devices during voltage spikes and dips
• Remote installed LED indicates the ACR status – LED sold separately
TECHNICAL SPECIFICATIONS
Nominal voltage: 12V DC | 24V DC
Start-up isolation: Yes
Current drain when operational: 175mA (connected) | 15mA (open)
Driving torque of the attachment nut: 15.82 Nm
Continuous current: 120 A
Momentary current: 210 A (5 min)
Cable size according to requirements: 53.5mm²
Terminal stud diameter: 28.45 mm
Terminal stud pin length: 22.23 mm
Terminal stud size: M10

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