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Applicable to post insulators of organic material for indoor service in electrical installations or equipment operating in air at atmospheric pressure on alternating current with a nominal voltage greater than 1 000 V up, but not including, 300 kV, as defined by range I of IEC 60071-1, and a frequency not greater than 100 Hz. Composite insulators are not covered by this standard.
| Author | IEC |
|---|---|
| Editor | CEI |
| Document type | Standard |
| Format | File |
| Edition | 2.0 |
| ICS | 29.080.10 : Insulators |
| Number of pages | 51 |
| Replace | IEC 36C/111/FDIS (1999-07) |
| Cross references | DIN EN 60660 (2000-12), IDT |
| Year | 1990 |
| Document history | IEC 60660 (1999-10) |
| Country | Switzerland |
| Keyword | IEC60660;IEC 60660:1999 |