Revised
Defines classes of microclimatic conditions, to which components (basic parts, assemblies, built-in units) may be subjected inside products, and which are used under the climatic conditions classified in IEC 60721-3-3 and IEC 60721-3-4.
WITHDRAWN
IEC 60721-3-9:1993 ED1
99.60
Withdrawal effective
Apr 11, 2024
WITHDRAWN
IEC 60721-3-9:1993/AMD1:1994 ED1
PUBLISHED
IEC 60721-3-9:2024 ED2