The use of fast-switching power semiconductors increases the problems associated with operating three-phase A.C. motors at the frequency inverter. Motor reactors provide basic protection for this between the frequency inverter and motor. Differences in voltage are smoothed while the insulation strength and lifetime of the winding wires in the motor are improved. The motor is also protected by reducing the edge steepness. Motor reactors ensure increased power quality in the overall drive system through the positive impact on electromagnetic compatibility with other system components.
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27 Versions of 2 products
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MDB
Motor reactor
3 x 400 Vac, 6.3 – 176 A , For motor rated output 2.2 – 90 kW, Switching frequency 2 – 6 kHz
| Version | Rated voltage | Rated current | for motor rated output approx. | |
|---|---|---|---|---|
| MDB 400/6,3 | 3 x 400 Vac | 6.3 A | 2.95 HP | |
| MDB 400/9,4 | 3 x 400 Vac | 9.4 A | 5.36 HP | |
| MDB 400/13 | 3 x 400 Vac | 13 A | 7.38 HP | |
| MDB 400/16 | 3 x 400 Vac | 16 A | 10.06 HP | |
| MDB 400/24 | 3 x 400 Vac | 24 A | 14.75 HP | |
| MDB 400/30 | 3 x 400 Vac | 30 A | 20.12 HP | |
| MDB 400/39 | 3 x 400 Vac | 39 A | 24.81 HP | |
| MDB 400/46 | 3 x 400 Vac | 46 A | 29.50 HP | |
| MDB 400/61 | 3 x 400 Vac | 61 A | 40.23 HP | |
| MDB 400/72 | 3 x 400 Vac | 72 A | 49.62 HP | |
| MDB 400/91 | 3 x 400 Vac | 91 A | 60.34 HP | |
| MDB 400/110 | 3 x 400 Vac | 110 A | 73.76 HP | |
| MDB 400/150 | 3 x 400 Vac | 150 A | 100.58 HP | |
| MDB 400/176 | 3 x 400 Vac | 176 A | 120.69 HP |
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MR3 400
Motor reactor
3 x 400 Vac, 2.5 – 61.0 A, For motor rated output 0.75 – 30 kW, Switching frequency 3 – 8 kHz
| Version | Rated voltage | Rated current | for motor rated output approx. | |
|---|---|---|---|---|
| MR3 400/2,5 | 3 x 400 Vac | 2.5 A | 1.01 HP | |
| MR3 400/4 | 3 x 400 Vac | 4 A | 1.48 HP | |
| MR3 400/6 | 3 x 400 Vac | 6 A | 2.95 HP | |
| MR3 400/8 | 3 x 400 Vac | 8 A | 4.02 HP | |
| MR3 400/10 | 3 x 400 Vac | 10 A | 5.36 HP | |
| MR3 400/13 | 3 x 400 Vac | 13 A | 7.38 HP | |
| MR3 400/18 | 3 x 400 Vac | 18 A | 10.06 HP | |
| MR3 400/24 | 3 x 400 Vac | 24 A | 14.75 HP | |
| MR3 400/30 | 3 x 400 Vac | 30 A | 20.12 HP | |
| MR3 400/37 | 3 x 400 Vac | 37 A | 24.81 HP | |
| MR3 400/42 | 3 x 400 Vac | 42 A | 29.50 HP | |
| MR3 400/48 | 3 x 400 Vac | 48 A | 29.50 HP | |
| MR3 400/61 | 3 x 400 Vac | 61 A | 40.23 HP |
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