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Changli’s DAZO Series Induction Motors are purpose-built for heavy-duty and complex industrial applications, delivering robust performance and outstanding load-bearing capacity. Backed by over 70 years of industry expertise, Changli has established a solid reputation as a reliable supplier of medium and high-voltage asynchronous motors, serving core sectors including cement production, mining, chemical processing, oil and gas, and power generation. Engineered for harsh and demanding operating conditions, the DAZO series supports fully customizable configurations to meet diverse application requirements. Offered in both squirrel-cage and slip-ring rotor designs, these motors excel in scenarios that prioritize high energy efficiency, structural durability and extended service life, delivering consistent, dependable long-term operation.
Product Overview
Changli specializes in the manufacture of medium to high voltage induction motors with power ratings up to 20 MW and voltage levels up to 13.8 kV. The DAZO Series is purpose-engineered for long-term, trouble-free operation, featuring highly flexible electrical and mechanical configurations to accommodate custom application requirements.
The DAZO Series is optimized for maximum operational efficiency, delivering superior torque and stable power output while lowering overall energy consumption. It serves as an ideal cost-effective solution for industrial facilities aiming to reduce operational costs and improve energy utilization.
Featuring highly flexible design parameters, these motors can be fully tailored to match unique on-site operating conditions. Customers can select from a comprehensive range of cooling systems, protection classes and rotor configurations to achieve precise application matching.
Engineered for heavy-duty continuous operation, the DAZO Series provides ample torque reserve and excellent adaptability to harsh working environments. It effectively minimizes unplanned downtime, delivers extended service life and ensures stable, reliable long-term operation for demanding industrial scenarios.
Designed for dual operation modes, the motors support both direct-on-line (DOL) mains power supply and variable speed drive (VSD) operation. They integrate seamlessly with modern variable frequency drive systems, offering outstanding operational flexibility for diverse production processes.
All DAZO Series motors are manufactured in strict accordance with global management system standards, including ISO 9001 quality management, ISO 14001 environmental management and ISO 45001 occupational health and safety management. This full-standard compliance guarantees consistent premium quality and operational safety for global industrial applications.
Built to withstand the harshest industrial operating conditions, DAZO Series induction motors are widely adopted for heavy-duty equipment across multiple industries, supporting continuous and high-load operation:
If you are seeking high-efficiency, high-reliability medium-voltage induction motors for your heavy-duty industrial operations, Changli provides tailored and cost-effective solutions. Feel free to contact our professional engineering team to discuss your application requirements, obtain a customized quotation, or explore more advantages of the DAZO Series for your production lines.
Contact us for technical support and custom quotes
Technical Specifications Power Range: 0.55 kW to 20,000 kW Voltage Range: 380 V up to 13.8 kV Shaft Height: 355 mm – 1120 mm Raw Materials Frame: High-strength cast iron or steel Stator: Pure copper winding Rotor: Copper or aluminum construction Shaft: ASTM 1045 carbon steel Bearings: SKF, FAG, or equivalent premium domestic brands
Medium-voltage motors serve as the prime drive solution for all heavy-load and complex industrial processes. Since 1946, Changli has supplied dependable, high-efficiency industrial motors to global clients including cement facilities, pumping stations, mining operations, chemical and oil & gas plants, as well as original equipment manufacturers. Changli develops and produces medium and high voltage asynchronous motors rated up to 13.8 kV, with both squirrel-cage and slip-ring rotor options capable of delivering a maximum power output of 20 MW. We provide flexible electrical and mechanical customizations alongside a full lineup of protection grades and cooling systems. Compatible with both direct mains supply and variable speed inverter operation, our motors fully conform to the latest IEC60034, GB/T13957-2008, DIN and ISO standards.
Changli’s squirrel cage medium-voltage motors are purpose-built to handle heavy-duty loads and highly complex industrial operating conditions. Drawing on manufacturing expertise dating back to 1946, we have long supplied high-efficiency, field-proven motors to global customers across the cement, mining, oil and gas, chemical, and power generation industries. Our medium and high-voltage asynchronous motors are offered in both squirrel cage and slip-ring rotor configurations, with voltage ratings up to 13.8 kV and power outputs reaching 20 MW. Suitable for both direct-on-line mains operation and variable inverter-driven operation, our motors deliver stable, long-lasting performance even in the most harsh and demanding working environments.
Medium-voltage motors are the backbone of heavy-duty industries, reliably powering high-load equipment and complex process applications. With a manufacturing heritage dating back to 1946, Changli has long been a trusted global supplier of high-efficiency industrial motors, serving cement, mining, pumping, chemical, oil and gas, power plant and general industrial sectors worldwide. Changli designs and manufactures medium to high voltage asynchronous motors up to 13.8 kV, available in both squirrel-cage and slip-ring rotor versions, with power ratings reaching up to 20 MW. The series supports flexible electrical and mechanical configurations, together with a full range of cooling systems and protection classes. Suitable for both direct mains and variable speed inverter operation, our motors fully comply with the latest IEC60034, GB/T13957-2008, DIN and ISO international standards.
Y Series medium-voltage three-phase asynchronous motors are robust, general-purpose industrial drive motors developed with mature optimized design and advanced manufacturing technology. Featuring compact structure, high operating efficiency, low vibration, low noise and excellent operational stability, this motor series fully meets national and IEC energy efficiency and dimensional standards, supporting universal interchangeability and wide compatibility with domestic and international equipment. Adopting high-quality cast iron housing, optimized ventilation structure and reliable insulation system, the motors ensure outstanding heat dissipation performance, strong overload capacity and long service life under continuous heavy-duty operation. Designed for durable and energy-saving performance, Y Series medium-voltage motors are widely applied in mining, petrochemical, power plants, metallurgy, water treatment and general machinery industries to drive compressors, pumps, fans, crushers, conveyors and other conventional industrial equipment, serving as a highly reliable and cost-effective prime mover solution for various standard industrial applications.
Founded in 1946, Changsha Changli Electric Co., Ltd. is a leading electric motor factory and a TOP 10 electric motor manufacturer in China. We manufacture and deliver asynchronous motors with squirrel cage or slip ring rotors, synchronous motors, explosion proof motors, tailor-made motors, etc. Power output: 0.55KW to 20MW Voltage: 380V to 13.8KV Frame size: 80mm to 1120mm
