IEC 60337-2被替代
Control Switches (low-voltage Switching Devices For Control And Auxiliary Circuits, Including Contactor Relays) - Specific Types Of Control Switches. Push-buttons And Related Control Switches
出版：International Electrotechnical Committee
专家解读视频
337-2A FIRST SUPPLEMENT 1973337-2B SECOND SUPPLEMENT 1976337-2C THIRD SUPPLEMENT 1977
BS 4794-2-2.1:1977 - Identical
NFC 26 231:1974 - Identical
NFC 63 141:1985 - Equivalent
HD 420:1988 - Identical
NEN 10337-2:1985 - Identical
UNE 20119-2:1989 - Identical
