E70100 - Raymarine ACU-400 Actuator Control Unit - Use Type 2 & 3 Hydraulic, Linear & Rotary Mechanical Drives

Autopilot Control Unit (ACU)

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.

Drive Current Output
Maximum continuous 30 Amps at supply voltage
Drive Clutch Output

• Up to 4 Amp continuous at 12V on 12V systems
• Up to 4 Amp continuous at 24V on 24V systems
• Up to 4 Amp continuous at 12V on 24V systems

Connections

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

Nominal supply voltage
12 V or 24 V
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 Amp at 12V (fuse protected at 3 Amp)
Data Connections
SeaTalkng

Installation Environment

• 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
2.2kg (4.84lbs)

Conformance

• Europe: 2004/108/EC
• Australia and New Zealand: C-Tick, Compliance Level 2

The Raymarine ACU-400 Actuator Control Unit, part number E70100, is designed for marine autopilot systems requiring robust drive power. This unit provides continuous power to the SeaTalkng bus and manages autopilot drive power for Type 2 and 3 hydraulic, linear, and rotary mechanical drives. It is suitable for vessels operating on either 12V or 24V nominal supply voltages, with an operating range of 10.8V to 31.2V DC. The ACU-400 delivers a maximum continuous drive current output of 30 Amps and a drive clutch output of up to 4 Amps at 12V or 24V, depending on the system. This unit is intended for IT professionals and marine technicians responsible for installing or maintaining vessel navigation systems, ensuring reliable autopilot functionality in challenging marine environments with operating temperatures from -20�C to +55�C.