Power Converter for Metro Cabin AC System PЧ-3-02M-U2 - Enhance Comfort and Efficiency

PCh-3-02M-U2 is designed to ensure the operation of the driver's cabin air conditioning system for metro cars of 81.717.2K and 81-714.2K models as part of a six-car train, with the possibility of short-term (up to 40 minutes) exit from tunnels to open sections of lines. IF-3-02M-U2 is placed in a metal cabinet, which is installed in the undercarriage space on the head cars. Power supply of the IF-3-02M-U2 is carried out from the on-board DC network of the wagon, working in buffer with a battery, with a nominal voltage of 80V.

There are 96 units in operation.