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The ACU-300 (Actuator Control Unit) is designed for solenoid-controlled steering systems using constant running hydraulic pumps. The ACU-300 houses the main power and drive electronics for direct connection to an external solenoid control. Combine with an EV-1 sensor, autopilot control head, and solenoid-controlled drive system for a complete autopilot system. The ACU-300 includes a remote rotary rudder reference sensor.
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| Output | |
|---|---|
| Drive clutch output | No clutch connection |
| Drive current output | Maximum continuous 5 A at supply voltage |
| Physical | |
|---|---|
| Dimensions | Width: 285 mm (11.2 in), Height: 211.5 mm (8.3 in), Depth: 64.5 mm (2.5 in) |
| Weight | 2.2 kg (4.84 lbs) |
| Environmental | |
|---|---|
| Relative humidity | Max. 93% |
| Waterproof rating | Drip resistant |
| Storage temperature | -30 °C to +70 °C (-22 °F to 158 °F) |
| Operating temperature | -20 °C to +55 °C (-4 °F to 131 °F) |
| Conformance | |
|---|---|
| Standards | Europe: 2004/108/EC, Australia and New Zealand: C-Tick, Compliance Level 2 |
| Power | |
|---|---|
| Power consumption (standby) - main power supply | 300 mA (12 / 24 V) |
| Power output to SeaTalkng bus | 3 A @ 12 V (fuse protected at 3 A) |
| Power consumption (standby) - SeaTalkng bus | 20 mA (12 V) |
| Nominal supply voltage | 12 / 24 V dc |
| Operating voltage range | 10.8 V dc to 31.2 V dc |
| LEN (NMEA 2000 Load Equivalency Number) | 1 |
| 1 | ACU unit |
| 2 | Rudder angle reference sensor / transducer (supplied with specific system packs only) |
| 3 | Cable ties |
| 4 | Mounting screws |
| 5 | Documentation |
