The Raymarine ACU-400 Actuator Control Unit supplies dependable drive power for Type 2 and Type 3 hydraulic, linear, and rotary mechanical steering systems while simultaneously powering the SeaTalkng bus. Built to handle demanding marine environments, it supports both 12V and 24V systems and ships with the M81105 Rotary Rudder Reference unit included.

Specifications:

• Drive Current Output: 30 A maximum continuous at supply voltage
• Drive Clutch Output: Up to 4 A continuous at 12V on 12V systems
• Drive Clutch Output: Up to 4 A continuous at 24V on 24V systems
• Drive Clutch Output: Up to 4 A continuous at 12V on 24V systems
• Includes M81105 Rotary Rudder Reference
• Connections: Sleep switch, power, drive motor, drive clutch, ground, Digital Input/Output (DIO)
• Nominal Supply Voltage: 12V or 24V
• Operating Voltage Range: 10.8V to 31.2V DC
• Power Consumption (Standby) — Main Power Supply: 300 mA (12/24V)
• Power Consumption (Standby) — SeaTalkng Power Supply: 20 mA (12V)
• SeaTalkng LEN (Load Equivalency Number): 1
• SeaTalkng Power Out: 3 A at 12V (fuse protected at 3 A)
• Data Connections: SeaTalkng
• 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): 285mm x 211.5mm x 64.5mm (11.2 in x 8.3 in x 2.5 in)
• Weight: 2.2 kg (4.84 lbs)
• Conformance — Europe: 2004/108/EC
• Conformance — Australia and New Zealand: C-Tick, Compliance Level 2

Resources:

• Installation Guide (PDF)