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IEC
IEC 60909-3:2009 RLV
En Vigor
2009-03-09
Short-circuit currents in three-phase AC systems - Part 3: Currents
during two separate simultaneous line-to-earth short circuits and
partial short-circuit currents flowing through earth
IEC
IEC 60870-2-1:1995
En Vigor
1995-12-08
Telecontrol equipment and systems - Part 2: Operating conditions -
Section 1: Power supply and electromagnetic compatibility
IEC
IEC 60730-2-8:2025
En Vigor
2025-05-15
Automatic electrical controls - Part 2-8: Particular requirements for
electrically operated water valves, including mechanical requirements
IEC
