I.S. HD 348S7 (Duplicate Record)被替代
High-voltage Alternating-current Circuit-breakers
出版：National Standards Authority of Ireland
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基本信息
標準編號： I.S. HD 348S7 (Duplicate Record)
標準類別：Standard
出版單位：National Standards Authority of Ireland
標準頁數：0
標準簡介
Applies to a.c. circuit-breakers designed for indoor or outdoor installation and operation at frequencies up to and including 60 Hz on systems having voltages above 1,000 V.
替代本標準的新標準
等同采用的國際標準
IEC 60056 Ed. 4.0 - Identical
