R&P enterprise “RIST” develops and produces complex systems of electrical equipment for control and support systems of railway transport. It is used for replace old electrical equipment and modernization of passenger cars and electric trains during overhaul reconditioning. Our power supply systems are highly reliable, have modern hardware components with an intuitive interface, with microcontrollers and software of our own design, this ensures the functioning of the finished product in accordance with customer requirements. The production uses highly reliable modern components of leading brands. Each unit of produced equipment (including - high-voltage equipment) undergoes a full range of functional tests on special test benches.