1.1 Scope
This Standard applies to a.c. switchgear and controlgear, designed for indoor and outdoor installation and for operation at service frequency of 50 Hz on systems having voltages up to and including 3.0 kV.
This standard applies to all high-voltage switchgear and controlgear except as otherwise specified.
The scope exceeding the requirements of this standard may be additionally specified in the corresponding standard.
1.2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this Standard. At the time of publication, the editions indicated were valid. All normative documents are subject to revision, and parties to agreements based on this Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
