Winder Controls offers a wide range of upgrades. Some of these include the following:

  • Safety circuits.
  • Speed distance regulators.
  • Slipring motor to VSD conversions (MV VSD).
  • EHMU speed distance protection.
  • Armature converters.
  • Generator field regulators.
  • Motor field converters.
  • Liquid controllers.
  • Brake systems (closed loop, ESCORT and open loop).
  • Site rectification work.
  • Driver’s desk upgrades.


Our extensive experience combined with our efficient project management services dramatically reduce the risk of complications during a changeover. This ensures that the upgrade leaves the end user with less equipment downtime or extensive changeover periods.

© Winder Controls (Pty) Ltd 2019