DIN IEC 75(CO)81
Classification of environmental conditions; 2nd draft amendment no. 2 to IEC 721; part 3: classification of groups of environmental parameters and their severities; sections 1, 2, 3, 4 and 7: regarding sets of environmental condition class combinations (IEC 75(Central Office)81:1992)
废止
发布日期 :
2001-01-01
实施日期 :
DIN IEC 75(Sec)150
Electrical engineering; classification of environmental conditions; IEC 60721-3-Y: classification of groups of environmental parameters and their severities; stationary use at enclosed locations during fire exposure; identical with IEC 75(Secretariat)150
废止
发布日期 :
2001-11-01
实施日期 :
This standard includes conformance tests and requirements for the enclosure integrity of pad-mounted, pole-mounted, and submersible distribution switchgear rated above 1 kV, up to and including 38 kV as well as the enclosure integrity of the associated controls. This standard applies to enclosure security and coating requirements for coastal and non-coastal environments