IEC 60337-2B被替代
Control Switches (low-voltage Switching Devices For Control And Auxiliary Circuits, Including Contactor Relays) - 2nd Supplement: Section Three: Contactor Relays; Section Four: Pilot Switches
出版：International Electrotechnical Committee
专家解读视频
基本信息
标准编号： IEC 60337-2B
标准类别：Standard
出版单位：International Electrotechnical Committee
标准页数：0
标准简介
76
替代本标准的新标准
等同采用的国际标准
HD 420:1988 - Identical
NEN 10337-2:1985 - Identical
UNE 20119-4:1989 - Identical
NFC 63 141:1985 - Equivalent
BS 4794-2 Sections 2.3 and 2.4:1977 - Identical
