In the heart of industrial operations, ac geared motors provide virtually unfailing drive for machinery.
This article describes why these motors are so successful in manufacturing, oil and gas, and textiles.
We will highlight types of AC motors and AC gear motor speed control, AC gear motor 3 phase and applications of AC gear motors and more.
See why these motors are the foundation for industrial success.
Overview: Key Facts on AC Geared Motors
- ac geared motor: Combines ac motor and gearbox for high torque at low speeds which is ideal for heavy industrial work.
- Types of ac motor: Induction and synchronous are available as separate drives, adapted to the industrial demands of the respective applications, paired with gears.
- AC gear motor with speed control: Variable frequency drives (VFDs) for speed adjustments.
- 3 phase ac gear motor: Strong power with 85-90% efficiency for high load applications.
Understanding AC Geared Motors
ac geared motor merges an alternating current motor with a gear reduction unit which increases torque while decreasing speed. It is used in industries as a control for heavy machinery motion.
But unlike standalone motors, which have a gearbox optimized for general duty, it offers reliability in a small package for particular tasks. These motors are supplied by suppliers like Shrirang Enterprise in Ahmedabad’s industrial hub.
Why do industries need them? They resist high loads without overheating, have long service lives up to 20 years and are compatible with modern control systems. A 2 HP geared motor for example can produce 500 Nm at 50 RPM for steady, demanding operation.
Exploring Types of AC Motors

Various types of AC induction motors are the basis of geared systems and have their own merits for industrial applications. Knowing these types helps businesses select the most suitable motor for their specific application.
- Induction Motors: These spin the rotor using electromagnetic induction. Squirrel-cage models dominate because they are rugged, while wound-rotor types provide adjustable torque for heavy starts. They account for approximately 90% of industrial AC motor usage.
- Synchronous Motors: The rotor locks to the AC frequency for precise speed control. Permanent magnet versions improve torque density, and reluctance type improves power factor efficiency. They are up to 95% efficient for high-precision tasks.
Each type with a gearbox is an AC geared motor for industrial applications, from steady pumps to synchronized actuators.
Key Features of AC Geared Motors
These types of motors are very suitable for demanding applications. All these features make it a top option for industries searching for reliability and cost savings.
- High Torque Output: Gears multiply torque up to 10 times for low-speed high-power operation, for example 600 Nm at 30 RPM.
- Compact Design: They fit in tight machinery spaces – weighing as little as 15 kg in 1.5 HP models!
- Noise Reduction: Helical or worm gears reduce noise to 55-60 dB.
- Durability: IP55-rated enclosures resist dust and water, which is ideal for humid or dusty factories.
- Low Maintenance: Robust bearings and sealed designs save upkeep.
- Energy Efficiency: IE2/IE3 ratings reduce power use by 8-12%.
Such attributes help AC geared motors survive harsh environments such as Gujarat textile mills or oil refineries.
Precision with AC Gear Motor Speed Control

This AC gear motor with speed control provides freedom for industrial processes to adjust speeds for different loads. How Speed Control Improves Performance.
- Variable Frequency Drives (VFDs): Motor speed from 10 to 120% base RPM with a reduction of inrush current of 65%.
- Smooth Operation: Closed loop feedback enables +- 0.5% speed accuracy without gear wear.
- Energy Savings: Speed adjustments lower the power consumption by 15-20% in low demand cycles.
- Application Flexibility: Ideal for processes with variable speeds – like mixing or winding – but without mechanical strain.
For example, in textile winding, VFDs adjust from 100 to 800 RPM for uniform tension and a 10% reduction in material waste.
Power of 3 Phase AC Gear Motors
- High Efficiency: It achieves 85-90% efficiency compared with 70% for single-phase motors in ABB’s 2025 data.
- Stable Torque: Three phase motor power eliminates pulsations to provide constant torque for heavy loads.
- Cost-Effective Wiring: Balanced phases save 20% on installation costs by reducing conductor size.
- Robust Performance: Designed for large industrial equipment handling 100 kW loads at 1500 RPM.
They drive centrifugal pumps at high pressure in oil processing, improving output reliability. liability.
Industrial Applications of AC Geared Motors

Their versatility makes AC geared motors a must have in various industries. Here, they are described as driving industrial processes.
- Manufacturing: 400 Nm torque at 50 RPM for power milling machines and lathes.
- Oil and Gas: Valve actuators in hazardous areas, flame-proof models which are ATEX compliant.
- Textiles: Drive winders/looms and adjust speeds to maintain fabric quality, reducing defects by 8%.
- Power Generation: Run cooling tower fans with grid aligned synchronous gear motors.
- Chemical Processing: Viscosity mixers for viscous fluids with IP55 protection against corrosive environments.

Shrirang Enterprise: Your Trusted Motor Partner
This article explained why AC geared motors are needed for industrial success, starting from their robust types of AC motors, including induction and synchronous to standout features like high torque and AC gear motors with speed control.
The power of the 3 phase AC gear motor is unmatched, and its application range includes manufacturing, oil, and textiles.
Top-notch AC geared motors from Siemens and ABB are available at Shrirang Enterprise for your industrial requirements in Ahmedabad. Our 15+ years of experience guarantee you IP55-rated, VFD-compatible motors that save you 12% on energy.
Whether you need a 500 Nm geared motor or a precision-controlled unit, we’ve got you covered. Power up! Call Shrirang Enterprise today! Share your torque or speed requirements, and we will build an AC geared motor for you.
Frequently asked questions (FAQs)
Q1. What is an AC Geared Motor?
A. An AC geared motor combines an AC motor with a gearbox to deliver high torque at low speeds, ideal for heavy industrial applications like conveyors, pumps, and mixers.
Q2. What are the types of AC Motors used in geared systems?
A. The main types are induction and synchronous motors. Induction motors offer durability and efficiency, while synchronous motors provide precise speed control and higher torque density.
Q3. What are the benefits of using an AC geared motor with speed control?
A. Speed control through Variable Frequency Drives (VFDs) allows smooth operation, better energy savings, and precise control of motor speed across varying loads.
Q4. Why choose a 3-phase AC geared motor?
A. 3-phase AC geared motors provide up to 90% efficiency, consistent torque, and reduced power losses, making them ideal for heavy-duty applications in industries like oil & gas and manufacturing.
Q5. Which industries use AC geared motors the most?
A. AC geared motors are widely used in manufacturing plants, oil refineries, textile mills, and power generation units for applications requiring high torque and precision control.