| Efficiency |
Advantages |
Your Benefit |
| Without |
- Motor design according to duty
- Small installation volume and minimum weight
- Higher motor powers
|
- Economical
- Small installation space
- Efficient motor utilisation
- Tailored to customer application
- Smaller motor frame size
|
| IE1 |
- Standard efficiency in continuous direct-on-line (DOL) operation
- Small installation volume and minimum weight
|
- Economical
- Small installation space
- For general-purpose use outside Europe
|
| IE2 |
- Higher efficiency in continuous DOL operation
- Higher start-up torque
|
- Economical
- Small installation space
- Up to 34% more energy savings compared to IE1
- Lower rated motor power than IE1 for dynamic load applications
- Short amortisation period
|
| IE3 |
- Premium efficiency in continuous DOL operation
- Higher start-up torque
|
- Up to 18% more energy savings compared to IE2
- Already meets minimum efficiency requirements for 2021/2023
|
| IE4 |
- Super Premium efficiency for variable speed operation
- Speed control with very high efficiency
- Small installation volume and minimum weight
- Considerably better efficiency than IE3 motors, even under partial load conditions
- High torque and power density
- High overload capacity
|
- Up to 28% more energy savings compared to IE3
- Short amortisation period
- Small installation space
- Compact drive unit
- More torque with same motor frame size
- Requires smaller installation space with same power
- Reduced number of variants thanks to higher efficiency over the entire speed range
- Design security thanks to reserves in drive unit capacity
- Technology leader
- Already meets the efficiency requirements of future standards
|
| IE5 |
- Super Premium efficiency
- Speed control with highest possible efficiency
- Small installation volume and minimum weight
- Considerably better efficiency than IE2 motors, even under partial load conditions
- High torque and power density
- High overload capacity
|
- Up 59% more energy savings compared to IE3
- Short amortisation period
- Small installation space
- Compact drive unit
- More torque with same motor frame size
- Requires smaller installation space with same power
- Reduced number of variants thanks to higher efficiency over the entire speed range
- Design security thanks to reserves in drive unit capacity
- Technology leader
- Already meets the efficiency requirements of future standards
|