Raymarine ACU-300 Actuator Control Unit for Solenoid-Controlled Steering Systems - Part E70139

Autopilot Control Unit (ACU)

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

Drive Current Output
Maximum continuous 5 Amps at supply voltage
Drive Clutch Output
No clutch connection

Connections

• Includes the M81105 Rotary Rudder Reference
• Sleep switch
  
• Power
  
• Solenoid drive out / return
  
• Ground

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) - SeaTalk^ng Power Supply
20 mA (12V)
SeaTalk^ng LEN (Load Equivalency Number)
1
SeaTalk^ng Power Out
3 Amp at 12V (fuse protected at 3 Amp)
Data Connections
SeaTalk^ng

Installation Environment

• Operating Temperature: -20C to +55C (-4F to +131F)
  
• Storage Temperature: -30C to +70C (-22F to +158F)
  
• 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-300 Actuator Control Unit (ACU) is engineered for reliable operation with solenoid-controlled steering systems and constant running hydraulic pumps. This rugged control unit delivers steady autopilot drive power, ensuring precise navigation while also providing power to the SeaTalk^ng bus for seamless communication within your marine electronics setup. Its robust construction and waterproof drip-resistant design make it suitable for a variety of challenging marine environments, providing dependable performance even in harsh conditions. The ACU-300 features a maximum continuous drive current of 5 amps at supply voltage, supporting demanding steering applications with ease. It includes the M81105 Rotary Rudder Reference for accurate steering feedback, facilitating smooth and responsive autopilot operation. The unit supports a nominal supply voltage of 12V or 24V with an operating range from 10.8V to 31.2V, allowing flexibility across different marine systems. Power consumption is optimized for standby operation, consuming just 300 mA at 12 or 24 volts, and it can deliver a SeaTalk^ng power out of 3 amps at 12V, protected by a 3-amp fuse. Easy installation is supported through multiple connection points, including the SeaTalk^ng data interface, power, sleep switch, and solenoid drive connections. The unit's compact dimensions and lightweight design make it suitable for various vessel configurations. Operating reliably within temperatures ranging from -20°C to +55°C (-4°F to +131°F) and capable of withstanding humidity levels up to 93%, the ACU-300 is built for durability and consistent performance. Conformance to European and Australian standards ensures compliance with international safety and quality regulations, making it an ideal choice for professional and recreational marine applications.

Features:

• Drive Current Output: Maximum continuous 5 Amps at supply voltage

• Includes the M81105 Rotary Rudder Reference for accurate steering feedback

• Supports nominal supply voltages of 12V or 24V with an operating range from 10.8V to 31.2V

• Power Consumption: 300 mA in standby mode at 12/24V

• SeaTalk^ng Power Out: 3 Amps at 12V, protected by a 3 Amp fuse

• Waterproof drip-resistant design suitable for marine environments

• Multiple connection options including power, sleep switch, and solenoid drive

• Operates in temperatures from -20°C to +55°C (-4°F to +131°F) and humidity up to 93%

• Compact dimensions and lightweight construction for flexible installation

• Conformance to European and Australian safety standards