Product Overview

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.

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.

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.

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.