I.S. EN 62271-104:2009被替代
High-voltage Switchgear and Controlgear Part 104: Alternating Current Switches for Rated Voltages of 52 kv and Above
出版：National Standards Authority of Ireland
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基本信息
標準編號： I.S. EN 62271-104:2009
發布時間：2010/1/19 0:00:00
標準類別：Standard
出版單位：National Standards Authority of Ireland
標準頁數：53
標準簡介
Pertains to three-pole alternating current switches for rated voltages 52 kV and above, having making and breaking current ratings, for indoor and outdoor installations, and for rated frequencies up to and including 60 Hz.
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