(812) 309-78-59
(495) 223-46-76
IEC TR 60255-20:1984 ed1.0
Electrical relays. Part 20: Protection (protective) systems
57 стр.
Отменен
Электронный (pdf)Печатная копия
311.22 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
29.120.50 Fuses and other overcurrent protection devices / Плавкие предохранители и другие защитные устройства при перегрузках29.120.70 Relays / Реле
Описание
This report deals with protection systems and with the associated devices which may influence their performance. Gives guidance for specifying the performance requirements of complete protection systems additional to those needed for their component parts.