YD2 Series Pole-Changing Multi-Speed Three-Phase Asynchronous Motor

Product Overview

YD2 series pole-changing multi-speed three-phase asynchronous motors provide multiple discrete operating speeds through Dahlander winding configuration, offering flexible speed control without external drives.

Key Features

• Dahlander pole-changing winding enabling two or three discrete speed ratios from single motor
• Multiple speed options including 2-speed (4/2 pole), 3-speed (6/4/2 pole) configurations
• Simple star-delta or double-star connection switching via external contactor control panel
• No additional variable frequency drive required reducing system complexity and cost
• Robust construction suitable for frequent speed changeover operations in industrial processes
• High efficiency maintained at each speed setting through optimized electromagnetic design
• Compact integrated design saving installation space compared to multiple single-speed motors
• Reliable operation with minimal maintenance requirements and extended service life
• Available in both constant torque and variable torque winding configurations

Technical Specifications