BS 142-3.2(1983) : LATEST
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ELECTRICAL PROTECTION RELAYS - SPECIFICATION FOR SINGLE INPUT ENERGIZING QUANTITY MEASURING RELAYS WITH DEPENDENT SPECIFIED TIME
31-12-1990
23-11-2012
Sets out conditions for these measuring relays as a specific sub-family of measuring relays, the general needs of which are to be found in Section 2.2.
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