Surge arrester
3-electrode arrester
1) At delivery AQL 0.65 level II, DIN ISO 2859
2) In ionized mode
3) Test according to ITU-T rec. K. 12
4) Tip or ring electrode to center electrode
5) Total current through center electrode, half value through
tip respectively ring electrode
Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845
Dimensional drawing
B88069X5171B502
EZ3-A230X
Not to scale
Dimensions in mm
Non controlled document
Cautions and warnings
Surge arresters must not be operated directly in power supply networks.
Surge arresters may become hot in the event of longer periods of current stress (danger of
burning).
Surge arresters may be used only within their specified values. In the event of overload, the head
contacts may fail or the component may be destroyed.
Damaged surge arresters must not be re-used.
KB AB E / KB AB PM
Please read Cautions and warnings and
Important notes at the end of this document.
Page 3 of 4
Issue 02 / 2007-09-06