Autopilot Control Unit (ACU) The rugged ACU (Actuator Control Unit) delivers reliable autopilot drive power and also provides power to the SeaTalkng bus. Choose the ACU that fits your steering system type.Drive Current OutputMaximum continuous 5 Amps at supply voltageDrive Clutch OutputNo clutch connectionConnections Includes the M81105 Rotary Rudder Reference Sleep switch Power Solenoid drive out / return Ground; Nominal supply voltage12 V or 24 VOperating voltage range10.8V to 31.2V dcPower Consumption (standby) - Main Power Supply300 mA (12/24V)Power Consumption (standby) - SeaTalkng Power Supply 20 mA (12V)SeaTalkng LEN (Load Equivalency Number)1SeaTalkng Power Out3 Amp at 12V (fuse protected at 3 Amp)Data ConnectionsSeaTalkngInstallation Environment Operating Temperature: -20degC to +55degC (-4degF to +131degF) Storage Temperature: -30degC to +70degC (-22degF to +158degF) Relative Humidity: MAX 93%; Waterproof ratingDrip resistantDimensions (W x H x D)285mm x 211.5mm x 64.5mm (11.2 in x 8.3 in x 2.5 in)Weight2.2kg (4.84lbs)Conformance Europe: 2004/108/EC Australia and New Zealand: C-Tick, Compliance Level 2; - cis2:mm5mnJlm -Specifications: Type: Parts; Box Dimensions: 8"H x 12"W x 17"L WT: 7.2 lbs; UPC: 723193769140;