FAQs
IEC 60521:1976
Class 0.5, 1 and 2 alternating-current watt-hour meters
IEC 60521:1976/COR1:1977
Corrigendum 1 - Class 0.5, 1 and 2 alternating-current watthour meters
IEC 60521:1976/AMD1:1980
Amendment 1 - Class 0.5, 1 and 2 alternating-current watt-hour meters
IEC 60519-9:1987
Safety in electroheat installations. Part 9: Particular requirements for high-frequency...
IEC 60519-8:1983
Safety in electroheat installations. Part 8: Particular requirements for electroslag remelting...
IEC 60519-7:1983
Safety in electroheat installations. Part 7: Particular requirements for installations with...
IEC 60519-6:2002
Safety in electroheat installations - Part 6: Specifications for safety in industrial microwave...
IEC 60519-6:1982
Safety in electroheat installations. Part 6: Specifications for safety in industrial microwave...
IEC 60519-6:1982/COR1:1982
