AC Motor Control Systems

IMPULSE®• Series 4 AC drives continue our tradition of providing the most technically advanced, reliable, and cost-effective adjustable frequency crane controls available. With hundreds of thousands of drives in operation backed by decades of experience, IMPULSE® drives are the smart choice.


Featured Brands

With a family of trusted global brands, Columbus McKinnon products leverage our company’s rich history
of industrial manufacturing to revolutionize the future of lifting and motion control.


Magnetek Aftermarket Support Services

Every product comes with its nuances. That's why our aftermarket support is designed to assist you at every significant phase – from product purchase to product repair. Learn more about our Engineering Services, Installation or Commissioning Support!


Ever since the Industrial Revolution, cranes and hoists have been in manufacturing plants and other industrial facilities. Surprisingly, in the 100-plus years since then, not much has changed in the basic structure of these fundamental production tools. What has changed, however, is how overhead cranes and hoists are controlled.

Learn More

Variable frequency drives, or VFDs, are a type of AC motor controller that drive an electric motor by varying the frequency and voltage supplied to it. VFDs are also commonly known as variable speed or adjustable speed drives, AC drives, micro-drives or inverters – depending on the industry or application.

Learn More

WATCH: Introduction to IMPULSE®·G+/VG+ Series 5 Variable Frequency Drives

New Magnetek-brand IMPULSE Series 5 Variable Frequency Drives are designed to serve as the intelligent foundation for overhead cranes and hoist systems. This recorded webinar provides a detailed look at the new IMPULSE·G+/VG+ Series 5 VFDs and their proper application for overhead cranes.

This webinar covers:

  • Introduction of IMPULSE·G+/VG+ Series 5
  • Comparison to IMPULSE·G+/VG+ Series 4
  • Improvement Highlights
  • New Features
  • Available Accessories
  • Upcoming Product Updates
  • Documentation & Resources
Series 5 Webinar LP Thumbnail