Aluminium Series
Dual Speed Motors
A Variety of applications such as machine tools, fan and pumps, hoist and cranes, positioning equipment and many others need dual speed motors. Dual speed motors. Dual speeds can be achieved either by separate winding or by changing the speed; the output power of the motor changes but the torque remains almost constant. The best motor for the application can be selected from the table below. For quantity requirements special ratings can be developed.
| Pole | 2/4 | 4/6 | 4/8 | 6/8 |
|---|---|---|---|---|
| Frame | Horse Power | |||
| 71 | – | – | 0.18/0.09 | – |
| 90S | 1.2/0.6 | 0.5/0.33 | 0.5/0.25 | – |
| 90L | 2.0/1.4 | – | – | – |
| 90L | 1.7/1.1 | – | – | – |
| 90L | 2.0/0.4 | – | – | – |
| 90L | 1.2/0.8 | 1.0/0.75 | 0.75/0.37 | – |
| 100L | 3.2/1.6 | 1.5/1.1 | 1.5/0.75 | – |
| 112M | – | 2.0/0.98 | – | – |
| 112M | 5.0/2.5 | 3.0/2.13 | 2.6/1.3 | – |
| 132S | 7.0/3.5 | 5.0/3.33 | 4.0/2.0 | – |
| 132M | – | – | – | – |
| 132M | – | 5.5/2.5 | – | – |
| 132M | – | 7.0/3.5 | 5.5/2.2 | – |
| 132M | 8.0/4.0 | 6.0/3.0 | 7.5/5.5 | – |
| 160M | 15.0/10.0 | 10.0/7.5 | 10.0/5.0 | 7.5/5.0 |
| 160L | 20.0/15.0 | 15.0/10.0 | 15.0/7.5 | 10.0/7.5 |
| 180M | 25.0/15.0 | 17.5/12.5 | 17.5/8.4 | 12.5/8.4 |
| 180L | – | – | 20.0/15.0 | – |