IEEE C37.20.4 2001
$54.71
IEEE Standard for Indoor AC Switches (1 kV – 38 kV) for Use in Metal-Enclosed Switchgear
| Published By | Publication Date | Number of Pages |
| IEEE | 2001 | 32 |
Revision Standard – Inactive – Superseded. Indoor ac medium-voltage switches for use in enclosures for application in power circuits at voltages above 1 kV through 38 kV are covered. These include stationary or drawout, manual or power operation, fused or unfused.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | IEEE Standard for Indoor AC Switches (1 kV–38 kV) for Use in Metal-Enclosed Switchgear |
| 3 | Introduction |
| 5 | Participants |
| 9 | Contents |
| 11 | 1. Scope 2. References |
| 13 | 3. Definitions |
| 14 | 4. Service conditions 5. Ratings 5.1 General |
| 15 | 5.2 Required ratings |
| 16 | 5.3 Rated maximum voltage 5.4 Rated lightning impulse withstand voltage 5.5 Rated power frequency withstand voltage 5.6 Rated power frequency 5.7 Rated continuous current 5.8 Rated load switching current 5.9 Rated momentary withstand current |
| 17 | 5.10 Rated short-time withstand current 5.11 Rated short-time withstand current duration 5.12 Rated fault making current 5.13 Rated fault making current for integral switch and fuse 5.14 Rated control voltage |
| 18 | 5.15 Rated cable-charging switching current (optional) 5.16 Rated unloaded transformer switching current (optional) 5.17 Rated direct acting fuse tripping current (optional) 5.18 Temperature limitations |
| 19 | 6. Tests 6.1 General |
| 20 | 6.2 Design tests |
| 28 | 6.3 Production tests 6.4 Conformance tests 6.5 Field dielectric tests |
| 29 | 7. Construction 7.1 General requirements 7.2 Functional components |
| 30 | 8. Application guide 8.1 General |
| 31 | 8.2 Voltage 8.3 Frequency 8.4 Continuous current 8.5 Short-circuit current 8.6 Cable-charging current 8.7 Unloaded transformer switching current capability 8.8 Direct acting fuse trip capabilities |
| 32 | 8.9 Unusual service conditions 8.10 Maintenance |
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