2022KS C IEC 60730-2-7:2022 Automatic electrical controls — Part 2-7: Particular requirements for timers and time switches
2017KS C IEC 60730-2-7:2017 Automatic electrical controls — Part 2-7: Particular requirements for timers and time switches
2014KS C IEC 60730-2-7:2014 Automatic electrical controls for household and similar use — Part 2-7: Particular requirements for timers and time switches
2002KS C IEC 60730-2-7:2002 Automatic electrical controls for household and similar use-Part 2:Particular requirements for times and time switches