The YAR-13KSh box is designed to replace the YAR-13 box in underground cars of 81-717, 81-714 and their modifications during their manufacture and overhaul. YAR-13KSH box performs the functions of measuring, controlling and recording the value of currents in the running and braking circuit of the car traction electric drive, presence of high voltage, reverser operation, collection of the car circuit, protection of traction motor groups in running and braking modes, as well as working out the algorithm of the car electric circuit. YAR-13KSh 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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