The 2023 edition constitutes a major technical revision with several significant updates:
Instrument transformers according to new IEC standards ... - ABB iec 618691 pdf hot
Applicable to rated frequencies from 15 Hz to 400 Hz and DC applications. The 2023 edition constitutes a major technical revision
Instrument transformers according to new IEC standards ... - ABB
Applicable to rated frequencies from 15 Hz to 400 Hz and DC applications.