Revised
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.
WITHDRAWN
IEC 62505-1:2009 ED1
99.60
Withdrawal effective
Feb 3, 2016
PUBLISHED
IEC 62505-1:2016 ED2