Current and voltage sensors or detectors, to be used for fault passage indication purposes - Part 1: General principles and requirements
NORM herausgegeben am 1.5.2017
Bezeichnung normen: ČSN EN 62689-1
Zeichen: 351351
Katalog-Nummer: 502065
Ausgabedatum normen: 1.5.2017
Zahl der Seiten: 96
Gewicht ca.: 319 g (0.70 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
defines the minimum requirements (therefore performances) and consequent classification and tests (with the exception of functional and communication ones) for fault passage indicators (FPIs) and distribution substation units (DSUs) (including their current and/or voltage sensors), which are, respectively, a device or a device/combination of devices and/or functions able to detect faults and provide indications about their localization