UL 1008 Ed. 5 (1996)被替代
Transfer Switch Equipment
出版：Underwriters Laboratories
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基本信息
標準編號： UL 1008 Ed. 5 (1996)
標準類別：Standard
出版單位：Underwriters Laboratories
標準頁數：0
標準簡介
Outlines automatic transfer switches for use in ordinary places to provide for lighting and power in emergency systems in optional stand-by systems in legally required stand-by systems. Describes transfer switches associated control devices including voltage sensing relays, frequency sensing relays, time delay relays. Describes enclosed, open and cover by pass/isolation switches.
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