IEC 60909-0:2026 This part of IEC 60909 is applicable to the calculation of short-circuit currents in low-voltage three-phase AC systems, in high-voltage three-phase AC systems, and operating at a nominal frequency of 50 Hz or 60 Hz.
Systems at highest voltages of 550 kV and above with long transmission lines are outside the scope of this document.
WITHDRAWN
IEC 60909-0:2016 ED2
PUBLISHED
IEC 60909-0:2026 ED3
60.60
Standard published
Jul 23, 2026