Số hiệu tiêu chuẩn
IEC 60721-3-4 AMD 2*CEI 60721-3-4 AMD 2
Tên tiêu chuẩn
Classification of environmental conditions; part 3: classification of groups of environmental parameters and their severities; stationary use at non-weatherprotected locations; amendment 2
Ngày phát hành
1993-07-00
Tiêu chuẩn tương đương
DIN EN 60721-3-4/A2 (1995-04), IDT * EN 60721-3-4/A2 (1994-10), IDT * EN 60721-3-4/prA2 (1993-11), IDT * NF C20-003-4/A2 (1995-01-01), IDT * NEN 10721-3-4:1995/A2:1995 en;fr (1995-02-01), IDT
Thay thế cho
IEC/DIS 75(CO)81 (1992-09)
Từ khóa
Classification * Electrical engineering * Environmental condition * Environmental conditions * Environmental factor of influence * Limits (mathematics) * Specification * Stationary * Weather protection systems * Environmental effects * Influence quantity