The Raymarine ACU-300 Actuator Control Unit is engineered for solenoid-controlled steering systems and constant-running hydraulic pumps, delivering dependable autopilot drive power while simultaneously supplying power to the SeaTalkng bus. The M81105 Rotary Rudder Reference unit is included in the box.

Specifications:

• Drive Current Output: Maximum continuous 5 A at supply voltage
• Drive Clutch Output: No clutch connection
• Nominal Supply Voltage: 12 V or 24 V
• Operating Voltage Range: 10.8 V to 31.2 V DC
• Power Consumption (Standby, Main Power Supply): 300 mA (12/24 V)
• Power Consumption (Standby, SeaTalkng Power Supply): 20 mA (12 V)
• SeaTalkng LEN (Load Equivalency Number): 1
• SeaTalkng Power Out: 3 A at 12 V (fuse protected at 3 A)
• Data Connections: SeaTalkng
• Connections: Sleep switch, Power, Solenoid drive out/return, Ground
• Includes: M81105 Rotary Rudder Reference
• 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%
• Waterproof Rating: Drip resistant
• Dimensions (W x H x D): 285 mm x 211.5 mm x 64.5 mm (11.2 in x 8.3 in x 2.5 in)
• Weight: 2.2 kg (4.84 lbs)
• Conformance — Europe: 2004/108/EC; Australia and New Zealand: C-Tick, Compliance Level 2

Resources:

• Installation Guide (PDF)