RAYMARINE ACU-400 Actuator Control Unit Autopilot Control Unit (ACU) note - Pictures shows ACU-400 Version
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: | | Supported Drives | | ACU-200 | Type 1 Raymarine hydraulic, linear and rotary mechanical drives | | ACU-300 | For solenoid controlled steering systems and Raymarine constant running hydraulic pumps | | ACU-400 | Type 2 and 3 Raymarine hydraulic, linear, and rotary mechanical drives | | 
