IEC 62505-1:2009 is applicable to single-phase a.c. one-pole circuit-breakers designed for indoor or outdoor fixed installations for operation at frequencies of 16,7 Hz, 50 Hz and 60 Hz on traction systems having an UNm above 1 kV up to 52 kV.
IEC 62505-1 Ed. 1.0 b:2009
Original price was: $339.00.$169.00Current price is: $169.00.
Railway applications – Fixed installations – Particular requirements for a.c. switchgear – Part 1: Single-phase circuit-breakers with Un above 1 kV
International Electrotechnical Commission , 03/10/2009
Pages: 121
