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Normas BSI – AENOR
BS EN 50578:2013

BS EN 50578:2013

Railways applications. Direct current signalling relays

Fecha:
2013-07-31 /Confirmed
Comité:
GEL/9/1
Equivalencias internacionales:

EN 50578:2013

Resumen:
This European Standard gives requirements for direct current relays intended for safety-related applications in railway signalling installations. This European Standard is applicable to monostable relays. However it can also be used as a guide for other relays such as with bistable relays.
Keywords:
Repeaters, Dimensions, Marking, Switchgear, Relays, Pressure, Electrical resistance, Clearances, Armatures, Electrical equipment, Signal devices, Electric contacts, Railway equipment, Contact resistance, Railway signals, Voltage, Seatings, Electric terminals, Direct current, Railway fixed equipment, Neutral-polar relays, Electrical testing
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