This International Standard is applicable to newly manufactured instrument transformers with
analogue or digital output for use with electrical measuring instruments or electrical protective
devices having rated frequencies from 15 Hz to 100 Hz.
This standard is a product family standard and covers general requirements only. For each
kind of instrument transformer the product standard is composed by this standard and the
relevant specific standard.
IEC 61869-1:2007 history
2023IEC 61869-1:2023 Instrument transformers - Part 1: General requirements
2007IEC 61869-1:2007 Instrument transformers - Part 1: General requirements