On July 21, 2016, certification authority Register Certification for Federal Railway Transport federal budgetary institution issued Certificate of Compliance No.ТС RU C RU.ZhТ02.В.00879 series RU No.0441484 to Transconverter for auxiliary converter PSN110 U1 for the period until 20.07.2021.

PSN110 U1 high-voltage converter is a component part for electrical trains operated on 3000 V DC road sections. It is designed to convert high-voltage (2200…4000 V) of grid system into voltage necessary to power lighting circuits, controls, air-conditioning units, compressors, battery charge, etc.

PSN110 U1 converter has two output channels with three-phase voltage 380 V and 220 V, 50 Hz.
PSN110 U1 converter nominal output power is 110 kVA.