On 24 June, 2010 OOO “Transconverter” received a declaration of conformance from RS FZHT for the auxiliary converters type PSN125 Y2. (certificate number ССFZhT RU.ZE06.А.00168D).

This declaration RS FZHT is issued up to the 22 June, 2012 and permits the use of high-voltage auxiliary converters PSN235 U2 (produced by “Transconverter”) on the cargo electric locomotives of DC.

To date OOO “Transconverter ” produced more than 100 converters of type PSN235 Y2, which covered overall more than as a part of the cargo electric locomotives 2ES4K “Donchak” 4 million km.