The YAR-27KSH box is designed to replace the YAR-27 box in metro cars of 81-717, 81-714 and their modifications during their manufacture and overhaul. YAR-27KSH box fulfils the functions of measurement, control and recording of current values in the braking circuit of the car traction electric drive, as well as working out the algorithm of the car electric circuit.
YAR-27KSH is a suspended box of double-sided service with hardware panels installed inside it, on which hardware control and monitoring devices are installed.
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