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A3-phase IE3 AC Motors
High-efficiency, reliable, and versatile industrial motors for demanding applications.
LOHER 3-Phase IE3 AC Motors are engineered for energy efficiency, long service life, and low noise operation, even in challenging industrial environments. Designed to reduce energy costs and CO₂ emissions, these motors provide low total cost of ownership with easy maintenance and high reliability.
Key Features & Benefits
IE3 energy-efficient design with low energy consumption
High reliability in harsh and demanding environments
Long service life and easy maintenance
Low noise levels due to reduced vibration
Optimized ventilation system with internal and external cooling
Versatile options for customized applications
Reduced CO₂ emissions contributing to greener operations
| Feature | Specification |
|---|---|
| Motor Type | 3-phase IEC IE3 AC motor |
| Power Range | 0.75 – 200 kW |
| Poles | 2, 4, 6 |
| Speed (rpm) | 3,000 / 1,500 / 1,000 |
| Voltage / Frequency | 230/400V – 50Hz, 400/690V – 50Hz |
| Efficiency Class | IE3 |
| Protection Class | Standard IP55, up to IP66 |
| Motor Protection | Optional |
| Insulation Class | F |
| Material | Aluminium, Cast Iron |
| Certificates | CE, UL/CSA, ATEX |
Optional Features
MIG encoder
Special voltage/frequency configurations
PTC thermistor
Two shaft free ends (DE & NDE)
Isolation Class H
Custom flanges and shaft ends (including NEMA)
Terminal box on right or left side
Other coatings or colors
Fan cover with protection from rainfall and textile fibers
Various cooling types (IC410, IC416, IC418)
Winding for tropical environments
Winding heaters & condensation drain holes
Roller bearings with regreasing facility
Marine design adaptations
Forced ventilation (IC416)
Optional brake
Variations & Mounting Options
IEC Motor Sizes: IEC 80 – 315
Construction Types: B3, B5, B14A/B, B34 & B35
Output Shaft Diameter: 19 – 80 mm
Coating / Color: According to ISO 12944, standard RAL7030