Publikuar
IEC 61869-20:2025 This part of IEC 61869 specifies the requirements for the safe design and operation, and tests for the safety of instrument transformers whose highest voltage for equipment is higher than 1 kV AC or 1,5 kV DC.
Low power instrument transformers are not covered by this document.
PUBLISHED
IEC 61869-20:2025 ED1
60.60
Standard published
16 pri 2025