BS 4794-2-2.2:1977被替代
Specification for control switches (switching devices, including contactor relays , for control and auxiliary circuits, for voltages up to and including 1000 V a.c. and 1200 V d.c.). Additional requirements for rotary control switches
出版：British Standards Institution
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基本信息
標準編號： BS 4794-2-2.2:1977
發布時間：1977/1/31 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：0
標準簡介
Control switches actuated by rotation. Includes a recommended form of operating diagram.
標準備注
? British Standards Institution 2013
替代本標準的新標準
等同采用的國際標準
IEC 60337-2A - Identical
