
Electricity Metering (a.c.) - Tariff And Load Control - Part 21: Particular Requirements For Time Switches
出版:Verband Deutscher Elektrotechniker

专家解读视频
Describes 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.
Supersedes DIN EN 61038. (06/2005) DRAFT AMD 1 issued in January 2016. (01/2016)
EN 62054-21:2004 - Identical
SS EN 62054-21 Ed. 1 (2005) - Identical
UNE EN 62054-21:2005 - Identical
IEC 62054-21 Ed. 1.0 - Identical
NBN EN 62054-21:2005 - Identical
NF EN 62054-21:2006 - Identical
BS EN 62054-21:2004 - Identical
I.S. EN 62054-21:2004 - Identical
VDE 0419-4-21:2005 - Identical