45 KW 1000 RPM ELECTRIC MOTOR

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Introduction

The 45 kW 1000 RPM electric motor is a high-efficiency industrial motor designed to meet the demands of medium to heavy-duty applications. With a nominal power of 45 kilowatts and a fixed rotational speed of 1000 revolutions per minute, this motor offers consistent torque, energy savings, and excellent mechanical reliability. It is especially preferred in applications that require continuous operation, high torque, and stable speed control.

Technical Specifications

This motor typically belongs to the three-phase asynchronous (induction) motor category, widely known for their durability and cost-efficiency. Key specifications include:

  • Power output: 45 kW

  • Speed: 1000 RPM

  • Voltage: 380V – 690V (depending on system)

  • Frequency: 50/60 Hz

  • Insulation class: F or H

  • Protection class: IP55/IP56 or higher

  • Cooling method: IC411 (TEFC – Totally Enclosed Fan Cooled)

  • Mounting types: B3 (foot-mounted), B5 (flange-mounted), or B35 (combination)

These motors are also designed to comply with global efficiency standards like IE2, IE3, or even IE4 for specific configurations.

Applications

The 45 kW 1000 RPM motor is used in a wide array of industrial sectors where both consistent torque and reliable speed are vital. Common applications include:

  • Heavy-duty conveyor systems

  • Water treatment plants and pumping stations

  • Large industrial fans and blowers

  • Chemical processing machinery

  • Material handling systems such as hoists and elevators

  • Crushers, mixers, and industrial agitators

Thanks to its lower RPM, this motor is ideal for applications requiring lower mechanical speed with higher torque performance.

Energy Efficiency & Environmental Compliance

Modern 45 kW motors are manufactured with high-efficiency windings and core materials to reduce energy losses. Motors complying with IE3 and IE4 standards can significantly reduce electricity consumption, making them eco-friendly and cost-effective over the long term.

Additionally, most of these motors are designed to reduce noise and vibration, providing a quieter working environment and less mechanical stress on connected equipment.

Advantages

  • High torque at low speed: Perfect for slow-speed, high-resistance machinery

  • Energy savings: Reduced electricity consumption over long duty cycles

  • Minimal maintenance: Long-lasting bearings, sealed construction, and thermal protection

  • Compatibility with automation: Easily integrates with VFDs for soft start, stop, and speed control

  • Robust housing: Withstands dust, humidity, and vibration in tough industrial environments

Maintenance & Lifecycle

The robust construction and sealed components of the 45 kW motor significantly reduce the frequency and cost of maintenance. Recommended routine procedures include:

  • Regular inspection of bearings and insulation

  • Vibration analysis for early fault detection

  • Thermal imaging to check for overheating

  • Scheduled lubrication (depending on duty cycle)

With proper care, these motors can last over 10–15 years in continuous operation.

Conclusion

The 45 kW 1000 RPM electric motor is an essential solution for industries that require stable, energy-efficient power at moderate speeds. Its high torque capacity, compatibility with modern control systems, and low maintenance needs make it a reliable choice for long-term industrial applications.

You can access all motors from DRG Motor.