On March 10, 2017, Railway Transport Certification Register (Moscow, Russia) issued Certificate of Compliance No.ТС RU C RU.ЖТ02.В.01297 series RU No.0482307 for converters of PSN100 U2 and PSN235 U2 type to Transconverter.

The issued Certificate is valid to and including March 9, 2022.