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| Surge Arrester 3-Electrode-Arrester T81-A350X Ordering code: B88069X9190B202 DC spark-over voltage 1) 2) 4) Impulse spark-over voltage 4) at 100 V/s - for 99 % of measured values - typical values of distribution at 1 kV/s - for 99 % of measured values - typical values of distribution 350 20 < 700 < 600 < 900 < 800 10 15 10 40 > 10 < 1.5 < 0.2 ~ 35 ~1 ~ 200 ~ 2.2 -40 ... +90 40/ 90/ 21 350 YY O 350 YY O - Nominal voltage - Year of production - Non radioactive V % V V V V kA kA A A G pF s V A V g C Nominal impulse discharge current (wave 8/20 s) 5) Single impulse discharge current (wave 8/20 s) 5) Nominal alternating discharge current (50 Hz, 1 s) 5) Alternating discharge current (50 Hz, 9 cycles) 5) Insulation resistance at 100 Vdc 4) Capacitance at 1 MHz Transverse delay time 4) 3) Arc voltage at 1 A Glow to arc transition current Glow voltage Weight Operation and storage temperature Climatic category (IEC 60068-1) Marking, red 1) 2) At delivery AQL 0.65 level II, DIN ISO 2859 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 AB E / AB PM Page 1 of 2 Issue 03, 23.05.2002 Surge Arrester 3-Electrode-Arrester T81-A350X Ordering code: B88069X9190B202 Not to scale Dimensions in mm Non controlled document (c) EPCOS AG 2002. Reproduction, 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' Association), unless otherwise agreed. AB E / AB PM Page 2 of 2 Issue 03, 23.05.2002 |
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