UNE-EN 61000-5-5:1997

Introduction
1 Scope
2 Normative references
3 Definitions
4 Specifications of protective devices for
      conducted disturbance
4.1 General
4.2 Gas discharge tubes
4.3 Metal oxide varistors (MOV)
4.4 Expulsion-type arresters
4.5 Non-linear resistor type arresters
4.6 Avalanche-junction transient voltage suppressors
      (protective diodes)
4.7 Filters
4.8 Protection circuits
4.9 Safety arresters
4.10 Coaxial r.f. - circuit protectors
Annexes
A (informative) Survey of generic protection circuits
      and their application in surge protection
B (informative) A method of measuring the inductance
      of two-lead voltage limiting devices
C (informative) Survey on safety arresters and related
      safety philosophy
D (informative) A method of measuring the input
      impedance of mains filters
E (informative) Bibliography
ZA (normative) Normative references to International
      publications with their corresponding European
      publications

Specifies protective devices for conducted disturbance protection for use in the harmonization of existing or future specification issued by protective device manufacturers, electronic equipment manufacturers, administrations and other ultimate buyers. Describes protective devices currently in use for protection against induced HEMP transients on signal and low voltage power lines (nominal voltages to 1kV a.c.)