Changli’s Squirrel Cage Medium Voltage Electric Motors are designed to meet the toughest demands of industries where heavy loads and complex applications are the norm. With a legacy that dates back to 1946, we have been providing high-efficiency, reliable industrial motors for sectors such as cement, mining, oil & gas, chemical, and power plants worldwide.
Our medium to high voltage asynchronous motors are available with squirrel cage rotors and slip ring rotors, covering voltage ranges up to 13.8 kV and power ratings up to 20 MW. Whether you need direct mains or inverter operation, our motors are built to offer long-term performance in the most demanding environments.
Product Overview
Changli manufactures Medium Voltage Squirrel Cage Motors with robust features that make them ideal for heavy-duty industrial operations. These motors are engineered to perform in the harshest conditions and are designed to meet global standards including IEC60034, GB/T13957-2008, DIN, and ISO.
Voltage Range: Up to 13.8 kV
Power Range: Up to 20 MW
Rotor Type: Available as Squirrel Cage Motors and Slip Ring Motors
Cooling & Protection: Fully customizable cooling systems and protection classes to meet application needs
Exceptional Reliability and Durability
Changli’s MV squirrel cage motors are designed for continuous, heavy-duty operation in the most extreme conditions. They are engineered for high load capacity, high torque availability, and long service life, ensuring minimal downtime and reduced operating costs.
Customizable Design for Diverse Applications
Whether you need motors for high-pressure pumps, compressors, ball mills, or crushers, our motors are designed to be highly adaptable to your unique requirements. We also offer identically interchangeable replicas of existing or obsolete motors, ensuring a smooth retrofit process.
Efficient Operation with Low Maintenance Costs
Our motors are built to be highly efficient, minimizing energy consumption and lowering operating costs. With a low MTBF (Mean Time Between Failures), our motors have an extended lifespan, making them ideal for industries that require reliable, long-term performance.
Versatility in Harsh Environments
Changli’s motors can be customized to operate in even the most aggressive and demanding environments, such as those involving dust, corrosion, or high vibration. Their robust construction ensures reliable operation in tough conditions.
Global Standards & Certification
As a certified manufacturer under ISO 9001, ISO 14001, and ISO 45001, our products meet international quality and environmental standards. Each motor is tested in our accredited testing center to ensure compliance with industry regulations, including CE, NEMA, ATEX, and GOST.
Our Squirrel Cage Medium Voltage Motors are the preferred choice for critical applications across industries, including:
Cement Plants: Ball mills, crushers, conveyors
Mining: Crushers, conveyors, grinding mills
Water Treatment: High-pressure pump systems
Oil & Gas: Petrochemical agitators, refinery fans
Power Plants: Auxiliary systems, cooling tower drives
General Industry: Large-scale air compressors, blowers, and more
Changli motors are trusted by industrial facilities in over 30 countries for their reliability, energy efficiency, and durability.
Proven Performance: With over 70 years of experience, Changli’s motors deliver unparalleled reliability and high efficiency in diverse industrial sectors.
Custom Solutions: We offer motors tailored to meet the unique needs of your operation, from power rating to cooling system and protection class.
Global Reach: Changli motors are used by leading manufacturers worldwide, ensuring global support and service availability.
Quality Assurance: All motors are rigorously tested to ensure they meet the highest industry standards and operate efficiently throughout their service life.
Looking for a reliable, high-efficiency motor for your heavy-duty industrial applications? Changli offers the perfect solutions tailored to your needs. Contact our engineering team today to explore our range of medium voltage motors, request a quote, or get customized solutions for your specific application.
Medium Voltage Squirrel Cage Motor Specifications
Medium voltage squirrel-cage motors
Power: up to 20000 kW (20 MW)
Shaft height: from 355 to 1120
Cooling classes: IC01,IC06,IC411,IC416,IC611,IC616,IC666,IC81W,IC86W,IC511
Medium voltage slip-ring motors
Power: up to 20000 kW (20 MW)
Shaft height: from 355 to 1120
Cooling classes: IC01,IC411,IC611,IC616,IC666,IC81W,IC511
