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 VConnectionsIncludes the M81105 Rotary Rudder ReferenceSleep switchPowerDrive motorDrive clutchGroundNominal 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 EnvironmentOperating Temperature: -20°C to +55°C (-4°F to +131°F)Storage Temperature: -30°C to +70°C (-22°F to +158°F)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)ConformanceEurope: 2004/108/ECAustralia and New Zealand: C-Tick, Compliance Level 2