NEN EN IEC 61869-4 : 2014
Current
Current
The latest, up-to-date edition.
INSTRUMENT TRANSFORMERS - PART 4: ADDITIONAL REQUIREMENTS FOR COMBINED TRANSFORMERS
Published date
11-11-2014
Publisher
Pertains to newly-manufactured combined transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz.
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