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IEC 61643-21 : 1.2

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IEC 61643-21 : 1.2

LOW VOLTAGE SURGE PROTECTIVE DEVICES - PART 21: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - PERFORMANCE REQUIREMENTS AND TESTING METHODS

International Electrotechnical Committee

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Table of Contents

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

Abstract

Applies to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 37