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.
Exemplary SO-54SR-301 device
The SO-54SR-321 controller is designed to support overhead and internal MV disconnectors, MV/LV transformer substations, as well as independent fault indicators. It integrates functions of measurement, control, remote engineering, fault indicator, sectionalizer and disturbance recorder.
Exemplary SO-54SR-321 device