
Classification of environmental conditions Part 1: Environmental parameters and their severities
出版:International Electrotechnical Committee

专家解读视频
Defines environmental parameters and a limited number of their severities within the range of conditions met by electrotechnical products when being transported, stored, installed and used. This consolidated version consists of the second edition (1990), its amendment 1 (1992) and its amendment 2 (1995). Therefore, no need to order amendments in addition to this publication.
UNE EN 60721-1:1997 - Identical
SS EN 60721:1997 - Identical
NEN HD 478-1:1994 - Identical
SS EN 60721-1:2001 - Identical
UNE 20675-1:1994 - Identical
BS 7527-1:1991 - Identical
JIS C 60721-1:1995 - Identical
NFC 20 000:1990 - Identical
PN EN 60721-1:2002 - Identical
BIS IS 13736-1:1993 (R2015) - Identical
CEI EN 60721-1 Ed. 1 (2003) - Identical
SN EN 60721-1:1995 - Identical
NEN 10721-1:1995 - Identical
ONORM OVE EN 60721-1:1996 - Identical
BS EN 60721-1:1996 - Equivalent
DIN EN 60721-1 (1997-02) - Identical
NF EN 60721-1:1995 - Identical
DIN IEC 60721-1 (1993-05) - Identical
I.S. EN 60721-1:1998 - Identical