LOW VOLTAGE SURGE PROTECTIVE DEVICES - PART 21: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - PERFORMANCE REQUIREMENTS AND TESTING METHODS
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 General
2 Normative references
3 Definitions
4 Service and test conditions
5 Requirements
6 Type test
Annex A (informative) - Devices with current-limiting
components only
Annex B (Void)
Annex C (Void)
Annex D (informative) - Measurement accuracy
Annex E (informative) - Determination of let-through
current (I[p])
Annex F (informative) - Basic configurations for
measuring U[p]
Annex G (informative) - Special resistibility in
telecommunication systems
Bibliography
Applies to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 37 |
