CEI 17-9/1:1991-01
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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High-voltage switch-disconnectors and switch-disconnectors Part 1: Switch-switches and switch-disconnectors for rated voltages exceeding 1 kV and below 52 kV
01-01-1991
14-10-2025
In accordance with the CENELEC Harmonization Document HD 355.1 S2, contextual, with minor modifications, to the IEC 265-1 Publication plus Amendment 1, the Standard applies to switch-switches and switch-disconnectors for three-phase alternating current, for indoor and outdoor, for nominal voltages greater than 1 kV and less than 52 kV and for operating frequencies up to and including 60 Hz.
| Committee |
CT 17
|
| DocumentType |
Standard
|
| ProductNote |
This standard is also Identical to HD 355.1 S2, IEC 265-1 A1 (1984), IEC 265-1 (1983) New child AMD 1 1998 is now added
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Superseded
|
| SupersededBy |
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