This part of IEC 61869 is applicable to newly manufactured inductive current transformers for
use with electrical measuring instruments and/or electrical protective devices having rated
frequencies from 15 Hz to 100 Hz.
ICS
17.220.20 Measurement. Including measuring instruments, instrument transformers / Измерения электрических и магнитных величин. Включая измерительные приборы, измерительные трансформаторы
