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DRG Industrial Fan Motors
DRG industrial fan motors are designed for radial and axial fans, ventilation, dust collection and smoke extraction systems, built to low vibration, minimum noise and high efficiency criteria. They cover 0.25 – 355 kW in IE3 / IE4 efficiency classes, available from stock.
General Technical Specifications
| Feature | Value / Description |
|---|---|
| Power range | 0.25 – 355 kW |
| Efficiency class | IE3 / IE4 |
| Poles / Speed | 2 / 4 / 6 poles – 3000 / 1500 / 1000 rpm |
| Winding | 100% pure copper |
| Insulation | Class F (optional H) |
| Protection | IP55 |
| Duty type | S1 (continuous) |
| Mounting types | B3, B5, B14 |
| Vibration | DIN ISO 10816 / ISO 20816 – balance G2.5 / G6.3 |
Low Vibration – Long-Life Mechanical Stability
In fan applications, vibration shortens bearing life and causes balance problems in couplings and fan blades. DRG motors minimise vibration:
- Vibration levels compliant with DIN ISO 10816 / ISO 20816
- Precise dynamic rotor balance (G2.5 / G6.3 quality grade)
- CNC-machined shaft and bearing seats for micron-tolerance alignment
- Rigid cast body minimising resonance
- Low axial and radial runout
This extends bearing life, lowers maintenance cost and keeps fan systems stable.
Minimum Noise – Acoustic Optimisation
Noise level is critical for workplace comfort and safety. DRG motors are optimised for low noise:
- Stator design optimised for low magnetic noise
- Harmonic-reducing slot and pole geometry
- High-quality bearings reducing friction noise
- Aerodynamic optimisation of fan impeller and cowl
- Low vibration = low noise principle
High Efficiency and Energy Performance
- IE3 and IE4 efficiency class
- 100% copper winding for low losses
- Optimised magnetic circuit
- Low temperature rise → less energy, higher performance
Heavy-Duty Design
- IP55 protection class
- Class F insulation (optional Class H)
- S1 continuous duty
- Suitable for dusty and high-temperature environments
Wide Range and Stock Advantage
- Power options from 0.25 kW to 355 kW
- 2 / 4 / 6 pole options
- B3, B5, B14 mounting types
- Fast delivery from stock
Applications
- Industrial ventilation systems
- Radial and axial fans
- Dust collection systems
- Cement, mining and crushing-screening plants
- Smoke extraction systems
Delivery, Warranty and After-Sales
Standard ratings ship from stock. All products carry a 2-year warranty, backed by nationwide service and spare-part support.
Request a Quote
Get a price for the power, speed and mounting that fit your fan system:
Quick quote on WhatsApp | +90 542 666 11 11 | Contact & Quote Form
For details on pump, fan and blower motors, see our pump / fan motors content.