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 15 Amps at supply voltageDrive Clutch OutputUp to 2.0 A continuous, selectable between 12 /24 VConnections Includes the M81105 Rotary Rudder Reference Sleep switch Power Drive motor Drive clutch 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 Supply20 mA (12V)SeaTalkng LEN (Load Equivalency Number)1SeaTalkng Power Out3 Amp at 12V (fuse protected at 3 Amp)Data ConnectionsSeaTalkngInstallation Environment Operating Temperature: -20AdegC to +55AdegC (-4AdegF to +131AdegF) Storage Temperature: -30AdegC to +70AdegC (-22AdegF to +158AdegF) 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 Specifications: Type: Parts Box Dimensions: 8"H x 12"W x 17"L WT: 6.8 lbs UPC: 723193768914