overview_2e| Datasheet

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Overview of Type Series bersicht Typreihen
2-electrode arresters 2-Elektroden-Ableiter
Latest data sheets are available at www.epcos.com/arresters Aktuelle Datenbl tter unter www.epcos.de/arresters

Overview

Type series /Typreihen Discharge class 1) Ableitklasse kA /A Dimensions / Ma e mm ( x h) Page / Seite Nom. DC spark-over voltage 2) Nennansprechgleichspannung 75 V 90 150 170 230 250 270 300 350 400 470 500 600 800 1000 1400 1500 1600 2000 2500 3000 3500 3600 4000 4500 5500

EM/EM HV

SM Light duty

EF/L7

A6/N8

A83 Heavy duty

2.5 / 2.5 2.5 / 1.5 5.5x6 29/30

2.5 / 2.5 4.7x4.7 31

1.5 / 5.3x2.35 32

5/5 5x5 33

5/5 8x6 34

5/5 8x6 (EF) 8x8 (L7) 40

Medium duty 2.5 / 2.5 10 / 10 10 / 10 8x6 35 8x8 38

20 / 20 8x6 36

20 / 20 8x20 37

20 / 20 11.8x17.4 41

Typical applications Underground cables and private branch exchanges in densely Typische Anwendungen populated regions as well as main distributors Erdkabel und Nebenstellenanlagen in Gebieten mit h herer Siedlungsdichte und Hauptverteiler

Crossover junctions for overhead cables, underground cables, subscriber protection berf hrungsstellen oberirdischer Kabel, Erdkabel, Teilnehmerschutz

Overhead lines and installations particularly susceptible to lightning threats, subscriber protection in exposed locations Freileitungen und Anlagen bei erh hter Blitzgef hrdung, Teilnehmerschutz bei exponierter Lage

Surge arresters are usually classified by their discharge capability. The overview above relates type series to discharge classes and shows the available voltage ratings. According to their discharge class the individual type series can be assigned to typical applications.
1) 2)

Surge current: 10 x 8/20 us wave in total; AC current: 10 x 1s / 50 Hz in total Further voltages on request

EPCOS AG