IEC 60077-4 gives rules for AC circuit-breakers, the main contacts of which are to be connected to AC overhead contact lines; the nominal voltage of these circuits is in accordance with IEC 60850. Complements the general requirements given in IEC 60077-2.
IEC 60077-4 Ed. 2.0 b:2019
Original price was: $234.00.$117.00Current price is: $117.00.
Railway applications – Electric equipment for rolling stock – Part 4: Electrotechnical components – Rules for AC circuit-breakers
International Electrotechnical Commission , 10/25/2019
Pages: 60
