Revised
Is applicable to electroheat installations such as furnaces for direct arc heating (direct arc furnaces, submerged arc furnaces, ladle arc heating furnaces) and furnaces for indirect arc heating.
The contents of the corrigendum of December 2008 have been included in this copy.
WITHDRAWN
IEC 60519-4:2006 ED3
99.60
Withdrawal effective
Jun 19, 2013
WITHDRAWN
IEC 60519-4:2006/COR1:2008 ED3
WITHDRAWN
IEC 60519-4:2013 ED4