IEEE C62.39-2012
$41.71
IEEE Standard for Test Methods and Preferred Values for Self-Restoring Current-Limiter Components Used in Telecommunication Surge Protection
| Published By | Publication Date | Number of Pages |
| IEEE | 2012 | 39 |
New IEEE Standard – Active. The basic requirements to be met by series connected, solid-state, self-restoring overcurrent protectors (OCPs) for the protection of telecommunication equipment and lines are presented. This standard should be used for the harmonization of existing or future specifications issued by solid-state, self-restoring OCP manufacturers, telecommunication equipment manufacturers, administrations, or network operators.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | IEEE Std C62.39-2012 Front cover |
| 3 | Title page |
| 6 | Notice to users Laws and regulations Copyrights Updating of IEEE documents Errata Patents |
| 8 | Participants |
| 10 | Introduction |
| 11 | Contents |
| 13 | Important notice 1. Overview 1.1 Scope |
| 14 | 1.2 Purpose 2. Definitions and acronyms 2.1 Definitions |
| 16 | 2.2 Acronyms 3. Graphical symbols |
| 17 | 4. Storage conditions 5. Overcurrent protector electrical parameters 5.1 Test methods |
| 18 | 5.2 Electrical requirements 6. Characteristic parameters 6.1 Resistance, R |
| 19 | 6.2 Hold current, Ih |
| 21 | 6.3 Trip current, It |
| 22 | 7. Technology-specific characteristics 7.1 Time-to-trip, ttrip (PTC thermistor) |
| 24 | 7.2 Resistance 1 h after tripping, R1 for PPTC thermistors |
| 25 | 7.3 Reset voltage, Vreset for ECL |
| 26 | 7.4 Impulse resistance, Rimp, for ceramic PTC thermistors |
| 28 | 8. Rated values 8.1 Impulse voltage withstand |
| 29 | 8.2 AC power fault—power induction tests |
| 30 | 8.3 AC power fault—power contact tests |
| 31 | 8.4 Impulse endurance test (life test) |
| 32 | 8.5 AC endurance test (life test) |
| 33 | 9. Informative characteristics 9.1 Hold current variation with temperature 9.2 Trip-time variation with fault current value for PTC thermistor OCPs |
| 34 | 9.3 Resistance recovery after a trip event for PPTC thermistor OCPs |
| 35 | Annex A (informative) Bibliography |
| 36 | Annex B (informative) Acknowledgement |
| 37 | Annex C (informative) Power fault C.1 Introduction C.2 Hazards C.3 Wiring simulator |
| 38 | C.4 Power contact |
| 39 | C.5 Power induction |
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