Welding power sources from Harms & Wende

Harms & Wende QST offers practice-oriented, robust and efficient products for the welding and monitoring of your processes. The spectrum ranges from standalone applications to the fully-integrated indoor networking, from the delivery of individual components to the completed cabinet system.


Our portfolio includes welding controllers from 50 Hz to 10 kHz. Thereto, extensive monitoring systems for the process and component inspection are available. From these components, in combination with the know-how of our employees, we find the optimal solution to your task. We look forward to your request. Use the individual adjustment of our products to your task, so as to optimize the efficiency of your joining processes.

Our controllers find applicability in the following areas of resistance welding:

              Spot welding



                     Projection welding

              Seam welding

                     Butt welding

You can find out more information under the category < Welding controllers >.