EN 62054-21:2004
Current
Current
The latest, up-to-date edition.
Electricity metering (a.c.) - Tariff and load control - Part 21: Particular requirements for time switches
Amended by
Published date
28-10-2004
specifies particular requirements for the type test of newly manufactured indoor time switches with operation reserve that are used to control electrical loads, multi-tariff registers and maximum demand devices of electricity metering equipment
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