IEC 62912-2015 pdf download
IEC 62912-2015 pdf download.Railway applications – Direct current signalling monostable relays of type N and type C. 4 Classification The requirements of the various categories of signalling relays required to guarantee installation with the degree of reliability and safety desirable for operating purposes, depend on the functions to be fulfilled...
IEC 62912-2-2019 pdf download
IEC 62912-2-2019 pdf download.Railway applications – Direct current signalling monostable relays of type N and type C. 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. 2...
IEC 62236-3-2-2018 pdf download
IEC 62236-3-2-2018 pdf download.Railway applications – Electromagnetic compatibility – Part 3-2: Rolling stock – Apparatus. This part of IEC 62236 applies to emission and immunity aspects of EMC for electrical and electronic apparatus intended for use on railway rolling stock. IEC 62236-3-2 applies for the integration of apparatus on rolling...
IEC 62236-3-1-2018 pdf download
IEC 62236-3-1-2018 pdf download.Railway applications – Electromagnetic compatibility – Part 3-1: Rolling stock – Train and complete vehicle. Generally, it is not possible to test electromagnetic compatibility invoking every function of the stock. The tests shall be made at typical operating modes considered to produce the largest emission. The typical...
IEC 61992-4-2015 pdf download
IEC 61992-4-2015 pdf download.Railway applications – Fixed installations – DC switchgear – Part 4: Outdoor d.c. disconnectors, switch-disconnectors and earthing switches. 4 Service requirements The equipment covered in this standard is mainly intended for outdoor installations. The requirements given for outdoor equipment in EN 501 25-2 or in 2.1 .2...