Historic VVD deparment for soft starter and speed drive.



Goals and Symptoms

Please let us know the year that the first soft starter manufactured by Schneider (Telemecanique) was released. (And the series reference name also)

Causes and Fixes

The first soft starter was VR1B and was released in 1981.
Attached an historical about the begining of the VSD for telemecanique for soft starter and speed drives.
VVD_Histoire VVD.zip