
Electricity metering (a.c.) - Tariff and load control Part 21: Particular requirements for time switches
出版:International Electrotechnical Committee

专家解读视频
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.
OVE/ONORM EN 62054-21:2005 - Identical
AS 62054.21-2006 (R2016) - Identical
NEN EN IEC 62054-21:2004 - Identical
PN EN 62054-21:2006 - Identical
EN 62054-21:2004 - Identical
UNE EN 62054-21:2005 - Identical
NF EN 62054-21:2006 - Identical
VDE 0419-4-21:2005 - Identical
DIN EN 62054-21 (2005-06) - Identical
BS EN 62054-21:2004 - Identical
CEI EN 62054-21 Ed. 1 (2005) - Identical
I.S. EN 62054-21:2004 - Identical