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 7 Amps at supply voltageDrive Clutch OutputNo clutch connectionConnectionsRudder reference sensorPowerDrive motorGroundNominal supply voltage12 VOperating voltage range10.8V to 15.6V dcPower Consumption (standby) - Main Power Supply300 mA (12V)Power Consumption (standby) - SeaTalkng Power Supply No power supply to SeaTalkngSeaTalkng LEN (Load Equivalency Number)1SeaTalkng Power OutNo power supply to SeaTalkngData 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 ratingConnector Panel: IPX2Drive Electronics: IPX6Dimensions (W x H x D)180mm x 140mm x 52mm (7.1 in x 5.5 in x 2.0 in)Weight0.6 kg (1.32lbs)ConformanceEurope: 2004/108/ECAustralia and New Zealand: C-Tick, Compliance Level 2