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IEC 60255-12:1980 ed1.0
Electrical relays - Part 12: Directional relays and power relays with two input energizing quantities
26 стр.
Действует
Электронный (pdf)Печатная копия
114.66 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
29.120.70 Relays / Реле
Описание
Specifies performance requirements for the subfamily as shown in the title. This publication forms part of a series dealing with measuring relays with more than one input energizing quantity and for which IEC 60255-6 gives the general requirements.