IEC 62054-21:2004 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.
This publication is of high relevance for Smart Grid.
This publication is of high relevance for Smart Grid.
IEC 62054-21 Ed. 1.0 b:2004 History
IEC 62054-21 Ed. 1.1 b:2017
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IEC 62054-21 Ed. 1.0 b:2004
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IEC 62054-21 Ed. 1.0 en:2004
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