
Electrical Relays - Single Input Energizing Quantity Measuring Relays With Dependent Specified Time
出版:International Electrotechnical Committee

专家解读视频
Definitions. Standard values for some essential characteristics, in particular for the limits or the operative ranges. Performance requirements.
BS 142-1.4:1983 - Equivalent
BS 142-2-2.2:1982 - Similar
BS 142-3-3.2:1983 - Similar
NFC 45 211:1977 - Identical