BS EN 50578:2013

This standard BS EN 50578:2013 Railways applications. Direct current signalling relays is classified in these ICS categories:

• 93.100 Construction of railways

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.