Devices > Substation automation > MV protections group
SO-54SR-3xx - control unit with fault indicator and sectionalizer functions.
SO-54SR-3xx controller is intended for performing remote engineering and automation functions required by Smart Grid technology and FDIR modules.
It is equipped with an integrated module of fault indicator and analyser, operating basis on measurements of three currents and three phase voltages.
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Exemplary SO-54SR-301 device