Objavljen
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.
POVUČEN
IEC 61038:1990 ED1
POVUČEN
IEC 61038:1990/AMD1:1996 ED1
POVUČEN
IEC 61038:1990/AMD2:1998 ED1
OBJAVLJEN
IEC 62054-21:2004 ED1
60.60
Standard objavljen
18. 5. 2004.
OBJAVLJEN
IEC 62054-21:2004/AMD1:2017 ED1
PROJEKAT
IEC 62054-21 ED2