surge arrester t90 - a90xg 3 - electrode - ar rester ordering code: b88069x5860t103 ab e / ab pm issue 01, 01.11.2002 page 1 of 2 dc spark - over voltage 1) 2) 4) 90 20 v % impulse spark - over voltage 4) at 100 v/s - for 99 % of measured values 6) - typical values of distribution 6) at 1 kv/s - for 99 % of measured values 6) - typical values of distribution 6) < 550 < 450 < 700 < 600 v v v v nominal impulse discharge current (wave 8/20 s) 5) 6) 5 ka nominal alternating discharge current (50 hz, 1 s) 5) 6) 5 a insulation resistance at 50 v dc 4) > 1 g w capacitance at 1 mhz 4) < 1.5 pf transverse delay time 3) < 0.2 s arc voltage at 1 a glow to arc transition current glow voltage ~ 10 ~ 1 ~ 60 v a v weight ~ 0.8 g operation and storage temperature - 40 ... +90 c climatic category (iec 60068 - 1) 40/ 90/ 21 marking, blue 90 yy o 90 - nominal voltage yy - year of production o - non radioactive 1) at delivery aql 0.65 level ii, din iso 2859 2) i n 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 t ip respectively ring electrode. 6) under test terms in accordance with itu - t rec. k.12 and din 57845/vde0845
surge arrester t90 - a90xg 3 - electrode - arrester ordering code: b88069x5860t103 epcos ag 2002. reproducti on, publication and dissemination of this data sheet, enclosures hereto and the information contained therein without epcos' prior express consent is prohibited. purchase orders are subject to the general conditions for the supply of products and services of the electrical and electronics industry recommended by the zvei (german electrical and electronic manufacturers' associ a tion), unless otherwise agreed. ab e / ab pm issue 01, 01.11.2002 page 2 of 2 not to scale dimensions in mm non controlled document
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