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IE3 Electric Motors
DRG IE3 Series Electric Motors The DRG IE3 series are three-phase asynchronous electric motors built to the IEC 60034-30-1 Premium Efficiency (IE3) class, covering a power range f... More Details
DRG Electric Motors
Single-phase and three-phase electric motors in IE3 · IE4 · IE5 efficiency classes
Industrial Electric Motors — DRG Motor
As DRG Motor we manufacture single-phase and three-phase electric motors in IE3, IE4 and IE5 efficiency classes. 0.25–355 kW power range, cast iron body, B3 foot-mounted and other types; durable, energy-efficient solutions for pump, fan, conveyor and crusher applications.
Explore our full electric motors range — types, efficiency classes (IE3/IE4/IE5) and applications.
Products
In DRG Motor’s product range you can find a wide variety of solutions, from standard and high-efficiency electric motors to the IE3-IE4-IE5 series, single-phase and three-phase asynchronous motors, as well as stone crushing plant, smoke extraction and vibration motors.
High-Efficiency Electric Motors
DRG High-Efficiency Electric Motors DRG high-efficiency electric motors are three-phase motors built to IE3, IE4 and IE5 efficiency classes (IEC 60034-30-1), delivering more pow... More Details
IE4 Electric Motors
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 ran... More Details
IE5 Electric Motors
DRG IE5 Series Electric Motors The DRG IE5 series are three-phase asynchronous electric motors built to the IEC 60034-30-1 Ultra Premium Efficiency (IE5) class – today's hig... More Details
Single-Phase Asynchronous Electric Motors
Single-Phase Asynchronous Electric Motors single-phase (monophase) asynchronous electric motors run on a 220 V / 50 Hz single-phase supply across a 0.18 – 3.0 kW power range. Co... More Details
Three-Phase Asynchronous Electric Motors
DRG Three-Phase Asynchronous Electric Motors DRG three-phase asynchronous electric motors run on a 400 / 690 V three-phase supply across a 0.55 – 355 kW range, with a cast iron bo... More Details
General Purpose Electric Motors
A general purpose industrial electric motor is a three-phase squirrel-cage induction motor built to IEC dimensions rather than for one particular machine. Because frame height, sha... More Details
Stone Crushing Plant Motors
DRG Stone Crushing Plant Motors DRG stone crushing plant motors are designed for the highest-stress systems in heavy industry – crushers, screens, hoppers and conveyors. Hig... More Details
Fan Motors
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, mini... More Details
Pump Motors
DRG Pump Motors DRG pump motors are designed for water supply, pressurisation, fire safety and industrial processes, built to low vibration, minimum noise and high energy efficien... More Details
Why DRG MOTOR?
Electric motors are among the core components that directly affect the operating continuity of pumps, fans, compressors, conveyors, crushers, mills and production machinery. For th... More Details
Aluminum Housing Three Phase Induction Motor
Aluminum Housing Electric MotorsAluminum housing electric motors are widely used in machinery and industrial applications where low weight, compact dimensions and easy installation... More Details
Product Families & Application Areas
Explore our online store, product categories and the most searched motor types.
2026 Technical and Product Catalog
Our complete three-phase asynchronous motor range in a single document: power, speed, current, efficiency and torque tables, plus frame dimensions for B3 / B5 / B35 mounting types.
- IE3 · IE4 · IE5
- 0.25 – 355 kW
- 2-4-6-8 poles
- IP55
- S1 duty
Motor Selection and Technical Answers
Choosing the right motor for your machine, replacing an old motor and what to check before ordering: 246 questions in 12 groups. Pick your topic; each question opens on its own answer page.
Before Buying a New Motor 25 questions
- If the motor nameplate is unreadable, how do you determine the right new motor for the machine?
- Can the right product be found from the motor code given by the machine manufacturer?
Mechanical Fit When Replacing a Motor 20 questions
- If the new motor's terminal box is on a different side, will there be a problem with installation?
- When the motor's overall length changes, how can you tell whether it will fit the machine?
Ventilation and Fan Applications 20 questions
- What operating data should be collected before replacing the motor of a hood extraction system?
- What should be considered in motor selection if the fan filter clogs frequently?
Pumps and Water Systems 20 questions
- If a booster pump motor starts too often, what should be checked before buying a new motor?
- Is replacing the motor alone enough to increase a pump's flow rate?
Motors for Production Machines 22 questions
- What load data are needed for a motor that must restart a screw conveyor while it is full?
- Is it right to choose a concrete mixer motor based only on the mixer volume?
Power Supply and Control Compatibility 21 questions
- Can a new motor be used without replacing the existing electrical panel?
- Can the old protection settings be kept when a new motor of the same power is installed?
Operating Cost and Motor Renewal 25 questions
- Should a motor that runs two hours a day be selected by the same criteria as one running three shifts?
- How do you compare keeping a rewound old motor in service with buying a new one?
Comparing Offers and Preparing Orders 20 questions
- How can you tell whether two motor quotations really cover the same product?
- Besides the model code, which technical details should a motor quotation state?
Crushing, Mining and Heavy-Duty Applications 21 questions
- What does a 1.15 service factor provide in crusher motors of 75 kW and above?
- Why do the flywheel and belt arrangement matter when selecting a motor for a jaw crusher?
Agriculture, Feed and Food Plants 20 questions
- Why do the number of hammers and the screen hole size matter when selecting a feed hammer mill motor?
- How is the motor power determined for a feed mixer?