This document is an installation manual for the MT Series variable speed drives for AC motors, ranging from 75 HP (55 kW) to 400 HP (250 kW). The manual includes steps for setting up the drive, preliminary recommendations, drive ratings, dimensions and weights, installing the DC choke, derating as a function of temperature and switching frequency, and mounting options for wall-mounted or floor-standing enclosures.
The document serves as an installation manual for the CTi Automation MT Series variable speed drives designed for 3-phase AC motors. It provides critical safety warnings regarding hazardous voltage and proper handling procedures before beginning setup.
Key sections include steps for setting up the drive, preliminary recommendations for receiving and unpacking equipment, drive ratings tables based on horsepower and voltage, dimensions and weights, and detailed instructions for installing optional components like DC chokes.
| Supply Voltage Range (Low) | 200...240 V |
|---|---|
| Supply Voltage Range (High) | 380...480 V |
| Standard Switching Frequency | 2.5 kHz |
Disconnect all power, including external control power, and wait for the charging LED to go off.
Yes, drives are supplied with a DC choke that must be used when connecting the drive on a 3-phase line supply.