Raymarine ACU-400 (Includes Rotary Rudder Reference)

The rugged ACU (Actuator Control Unit) delivers reliable autopilot drive power and also provides power to the SeaTalk bus. Choose the ACU that fits your steering system type.


  • Includes the M81105 Rotary Rudder Reference
  • Sleep switch
  • Drive motor
  • Drive clutch
  • Power
  • Ground
  • Digital Input / Output (DIO)

Nominal supply voltage Operating voltage range Power Consumption (standby) - Main Power Supply Power Consumption (standby) - SeaTalkng Power Supply SeaTalkng LEN (Load Equivalency Number) SeaTalkng Power Out Data Connections Waterproof rating
12 V or 24 V 10.8V to 31.2V dc 300 mA (12/24V) 20 mA (12V) 1 3 Amp at 12V (fuse protected at 3 Amp) SeaTalk Drip resistant
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Raymarine ACU-400 Includes Rotary Rudder Reference
Price: $ 1,749.99

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