620 series Engineering Manual - ANSI - Arc protection - Feeder protection - Motor protection - Transformer protection - 2 winding - Voltage regulation - Engineering Manual - 620 series Relion Protection and Control - REF620 Feeder Protection and Control - REM620 Motor Protection and Control - RET620 Transformer Protection and Control - 2.0 - ANSI

620_series_ANSI_eng_452307_ENd.pdf