
Low-voltage Controlgear - Contractors
出版:International Electrotechnical Committee

专家解读视频
158-1C THIRD SUPPLEMENT 1982 S/SApplies to contactors intended for closing and opening electric circuits with the voltage not higher than 1000V a.c. or 1200V d.c. and, if combined with suitable relays for protecting these circuits against overload which may occur therein. States the characteristics of the contactors, the conditions with which they shall comply, the tests and the data to be marked on apparatus.
SS 428 06 00:1984 - Identical
NEN EN 50012:1978 - Identical
UNE 20109-1:1989 - Identical
HD 419.1:1981 - Identical
NFC 63 110:1981 - Equivalent
BS 5424-1:1977 - Similar