NEN EN IEC 61869-1 : 2009
Current
Current
The latest, up-to-date edition.
INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
Published date
12-01-2013
Publisher
Pertains 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.
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