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DRG IE4 Series Electric Motors
The DRG IE4 series are three-phase asynchronous electric motors built to the IEC 60034-30 Super Premium Efficiency (IE4) class, covering a power range from 0.55 to 355 kW. With a cast iron body, 100% pure copper windings and a wide range of mountings, they ship from stock for pumps, fans, compressors, crushers and continuous-duty heavy industry.
General Technical Specifications
| Feature | Value / Description |
|---|---|
| Power range | 0.55 – 355 kW |
| Efficiency class | IE4 – Super Premium Efficiency (IEC 60034-30) |
| Voltage | 400 / 690 V |
| Frequency | 50 Hz / 60 Hz |
| Frame material | Cast iron |
| Winding | 100% pure electrolytic copper |
| Mounting types | B3, B5, B35, B14 |
| Protection | IP55 |
| Insulation | Class F (155 °C) |
| Colour | RAL 7032 / 6028 / 5012 / 7030 |
| Certificates | CE – ISO – EAC – LVD – EMC |
Key Technical Features
- 100% pure electrolytic copper winding: reduces heat losses, lowers operating temperature, extends life
- High-efficiency silicon steel core: low core loss, high torque
- Cast iron body: quiet, vibration-free, suited to heavy loads
- IP55 protection: maximum protection against dust, oil, moisture and harsh environments
- Class F insulation (155 °C): no performance loss even under prolonged high load
- Low noise and vibration: precision rotor balancing and shaft machining
Energy and Operating Advantages
Energy:
- 3–5% less energy consumption than IE3
- Up to 10–12% savings versus IE2
- Less heat, longer bearing life
- Lower carbon emissions (CO₂ reduction)
Operation:
- Durable for 24/7 operation
- Quiet, vibration-free running
- Lower maintenance cost
- High starting torque, low inrush current
- Inverter (VFD) compatible design
The investment typically pays for itself within 1–2 years through energy savings.
Why DRG IE4?
- Full standards compliance: Ecodesign, LVD, EMC and EU 2019/1781 (IE4 recommended above 75 kW)
- Superior materials: vacuum-impregnated stator, high-torque rotor geometry, strong bearings (SKF, C&U)
- From stock: wide 0.55–355 kW range; optional special colour, flange and shaft extension
- Sustainability: low consumption, lower carbon footprint; advantage for ISO 50001 energy management
Delivery, Warranty and After-Sales
Standard ratings ship from stock, with short lead times for special windings and high power. All products carry a 2-year warranty, backed by nationwide service and spare-part support.
Request a Quote
Get a price for the kW, speed, frame and mounting that fit your application:
Quick quote on WhatsApp | +90 542 666 11 11 | Contact & Quote Form
For details on the IE4 efficiency class and energy savings, see our IE4 efficiency content.