| Manufacturer: | Emerson |
| Series: | Unidrive M400 |
| Model: | M400-021 00042A |
| Application: | general purpose |
| Capacity, kW: | 0,75 |
| Current, А: | 4.2 |
| Main power supply, V: | 100-120 |
| Phase: | 1 |
| Output frequency, Hz: | 0-550 |
| Enclosure: | IP 21/ IP 20 when the AI-Back-up or AI-485 Adaptors are fitted |
| Overload capacity, % per 1 min.: | 150 |
| EMC filter: | Optional external EMC filters |
| Analog input: | 2 |
| Digital input: | 5(+2) |
| Analog output: | 2 |
| Digital output: | 2 |
| Relay output: | 1 |
| RS485 (Modbus RTU): | + |
| PID: | - |
| V/f control mode: | + |
| Vector control with feedback: | - |
| Sensorless vector control: | - |
| Operation temperature, °С: | -20.....+40 |
| Storage temperature, °С: | -40.....+60 |
| Dimensions (W x H x D), mm: | 78x205x150 |