Motor drive (MZ)
- The drive is mounted vertically on the outside of the transformer tank (bell or other type) and is convenient for control and maintenance.
- The developed motor drives meet the requirements for operation in all climatic conditions
- Motor drives meet the requirements of IEC 60214-1-2003
- Motor drives type MZ-4.4 meet the requirements of the ANS standard
| MOTOR DRIVE | MZ 4.4 | MZ 4.1 |
| Rated power of electric motor, kW | 0.75 /1.1(0.9/1.3 at 60 Hz) | 0.75/1.1(0.9/1.3 at 60 Hz) |
| Rated frequency, Hz | 50 / 60 | 50 / 60 |
| Supply voltage, V | 3 AC 400 / 230 | 3 AC 400 / 230 |
| Synchronous speed, min-1 | 1500 (1800 at 60 Hz) | 1500 (1800 at 60 Hz) |
| Number of crank revolutions for one shift, revs | 33 | 33 |
| Rated torque of the output shaft, Nm | 17 / 24 | 17 / 24 |
| Switching duration, s | 4.5 | 4.5 |
| Maximum number of working positions | 38 | 38 |
| Operating circuit supply voltage, V | AC 230 | AC 230 |
| Insulation level, kV | 2.5 | 2.5 |
| Heater power, W | 250 | 2x150 |
| Degree of protection | IP 54 | IP 54 |
| Weight, kg | 104 | 80 |
Motor drives are also available in special designs according to customer requirements, e.g.:
- with degree of protection IP 65
- with output shaft speed for one shift: 0.5; 1; 6; 16.5
- number of steps - up to 125
