I.S. EN 61643-11:2012

National foreword
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Service conditions
5 Classification
6 Preferred values for SPD
7 Requirements
8 Type tests
9 Routine and acceptance tests
Annex A (normative) - Reference test voltages
        for SPDs U[REF]
Annex B (normative) - TOV Ratings
Annex C (normative) - Tests to determine the presence
        of a switching component and the magnitude of
        the follow current
Annex D (normative) - Reduced test procedures
Annex E (informative) - Alternative circuits for
        testing SPDs under TOVs caused by faults in the
        high (medium) voltage system
Annex F (informative) - Environmental tests for outdoor
        SPDs
Annex G (normative) - Temperature rise limits
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications
Annex ZB (informative) - Vibration and shock test
Annex ZC (normative) - Additional requirements for
         portable SPDs classified as pluggable
         equipment type A

Pertains to devices for surge protection against indirect and direct effects of lightning or other transient overvoltages.