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BS 561:1951
Specification for alternating-current line relays double-element 3-position (for railway signalling)
12 стр.
Отменен
Печатное изданиеПечатная копия
166.32 £ (включая НДС 20%)
Разработчик:
Зарубежные/BSI
ICS:
45.040 Materials and components for railway engineering / Материалы и компоненты для железнодорожной техники, 29.120.70 Relays / Реле
Ключевые слова:
Railway fixed equipment|Electric contacts|Signal devices|Repeaters|Clearances|Contact resistance|Railway signals|Railway equipment|Electrical equipment|Relays|Pressure|Switchgear|Dimensions|Seatings|Alternating current|Electrical testing|Electric terminals|Voltage|Marking