IEC 60721-2-4 Ed. 1.1现行
Classification of environmental conditions Part 2-4: Environmental conditions appearing in nature - Solar radiation and temperature
出版：International Electrotechnical Committee
专家解读视频
Defines limiting severities of solar radiation to which products are liable to be exposed during transportation, storage and use. This consolidated version consists of the first edition (1987) and its amendment 1 (1988). Therefore, no need to order amendment in addition to this publication.
HD 478.2.4:1989 - Identical
DIN IEC 60721-2-4 (1990-06) - Identical
JIS C 60721-2-4:1999 - Identical
NEN 10721-2-4:1989 - Identical
CEI 75-6 Ed. 1 (1997) - Identical
BIS IS 13736-2-4:1993 (R2015) - Identical
SS EN 60721:1997 - Identical
SS IEC 60721-2-4 Ed. 1 (2001) - Identical
PN 90/E-04555.24:1990 - Identical
NFC 20 000:1990 - Identical
BS 7527-2.4:1991 - Equivalent
