This manual provides instructions for the installation of the MOTORTRONICS MT Series variable speed drives, which are designed for AC motors ranging from 75 HP (55 kW) to 400 HP (250 kW). The document covers preliminary safety recommendations, unpacking procedures, and mounting instructions for both the drive and the included DC choke.
The guide details the steps for setting up the drive, including checking line voltage compatibility, mounting the unit, installing the DC choke, and wiring the power, motor, control, and speed reference terminals. It also includes specific recommendations for operation on IT systems and electromagnetic compatibility.
| Power Range | 75 HP (55 kW) ... 400 HP (250 kW) |
|---|---|
| Voltage Range 1 | 200 - 240V |
| Voltage Range 2 | 380 - 480V |
| Supply Frequency | 50/60 Hz |
| Standard Switching Frequency | 2.5 kHz |
| Included Component | DC choke |
Installation, adjustment, repair and maintenance must be performed by qualified personnel.
It is recommended to turn the drive on every two years for at least 5 hours to restore capacitor performance.
Yes, the drives are supplied with a DC choke that must be used for connecting the drive on a 3-phase line supply.