~YZTD series variable pole multi-speed three-phase asynchronous motor for lifting for tower crane is a new type product specially developed as the complete set of the lifting units of the tower crane and other similar equipment. It has the characteristics of large speed adjustment ratio, large starting torque, strong overload capacity, small locked rotor current, low temperature rise, high reliability and convenient use and maintenance and so on.

Basic mode:
Rated voltage: 380V rated frequency: 50Hz
Protection grade: IP54/IP55 insulation level: F or H
Cooling mode: IC 411 or IC416. Fan is powered independence and the operating mode is S1.
Base operating duty: High-speed S3-40%\Mid-speed S3-40%\Low-speed S3-25%.
Install mode: B3(B5\V1 according to agreement)
Note: The following are optional: Over-temperature protection, dampproof heating belt, electromagnetism brake, coder, overspeed switch.

We can produce it according to your requirements!