The rugged ACU (Actuator Control Unit) delivers reliable autopilot drive power and also provides power to the SeaTalkng bus. Maximum continuous 30 amps at supply voltage. Up to 4 amps continuous at 12V on 12V systems and 12V on 24V system drive clutch output. Drip-resistant construction. 11.2" x 8.3" x 2.5".Nominal supply voltage: 12V or 24VOperating voltage range: 10.8V to 31.2V DCPower Consumption (standby) - Main Power Supply: 300 mA (12/24V)Power Consumption (standby) - SeaTalkng Power Supply: 20 mA (12V)SeaTalkng LEN (Load Equivalency Number): 1SeaTalkng Power Out: 3 amps at 12V (fuse protected at 3 amps)Data Connections: SeaTalkngInstallation Environment:• Operating 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% 30 amps maximum at supply voltage SeaTalkng data connection | Raymarine ACU-400 Actuator Control Unit