This International Standard gives requirements for direct current relays intended for safety- related applications in railway signalling installations. This International Standard is applicable to monostable relays of type N and type C.
IEC 62912:2015 Referenced Document
IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
IEC 61810-3:2015 Electromechanical elementary relays - Part 3: Relays with forcibly guided (mechanically linked) contacts
IEC 62497-1:2010 Railway applications - Insulation coordination - Part 1: Basic requirements - Clearances and creepage distances for all electrical and electronic equipment
IEC 62498-3:2010 Railway applications - Environmental conditions for equipment - Part 3: Equipment for signalling and telecommunications
IEC 62912:2015 history
2015IEC 62912:2015 Railway applications - Direct current signalling monostable relays of type N and type C