標準號：DIN IEC 60721-2-4-1990
中文標準名稱：電氣工程.環境條件分類.第2部分:自然環境條件.第4節:太陽輻射和溫度
英文標準名稱：Electrical engineering; classification of environmental conditions; environmental conditions appearing in nature, solar radiation and temperature; identical with IEC 60721-2-4:1987 (status as of 1988)
標準類型：A21
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：A21
國際標準分類號：19.040
適用范圍：This standard presents a broad division into types of solar radiation areas. It is intended to be used as part of the background material when selecting appropriate severities of solar radiation for product applications. All types of geographical areas are covered, except areas with alitudes aboves 5000 m.#,,#