Test Bench Parts

Frequency Variable Speed Controllers
(Frequency Inverters)

For Reliability, Accuracy, Efficiency !

Speed controller is a very important component for test bench. With frequency variable speed controllers, test benches have many good features. They have become more reliable, accurate, efficient, productive, convenient, energy saving and compact.

Frequency Variable Speed Controllers installed in test benches are directly from SIEMENS and Schneider Electric (branded Merlin Gerin, Modicon, Square D, Telemecanique), fully conformed to the requirements of IEC standards.

Selecting a speed controller is made according to the horse power of a test bench. Following pictures show two series of Schneider frequency variable speed controllers.

Altivar 58 (Schneider)
Altivar 31 (Schneider)
Different Speed Controllers

Speed controllers do not require preventative maintenance. We nevertheless advise you regularly to:

- Check the condition and tightness of connections
- Ensure that the temperature around the unit remains at an acceptable level and that the ventilation is effective (average service life of fans: 3 to 5 years depending on operating conditions)
- Remove dust from the speed controller if necessary

For spare parts and repairs to speed controllers, consult SIEMENS or Schneider Group local representatives or their local agents.


Technical specifications are subject to change without notice.

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