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...