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
  • Solenoid drive out / return
  • Power
  • Ground

Nominal supply voltage Operating voltage range Power Consumption (standby) - Main Power Supply Power Consumption (standby) - SeaTalk Power Supply SeaTalk LEN (Load Equivalency Number) SeaTalk 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-300 Includes Rotary Rudder Reference
Price: $ 1,649.99

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