a81a250xx1500| Datasheet

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Surge Arrester 2-Electrode-Arrester

A81-A250X Ordering code: B88069X1500xxxx a)

DC spark-over voltage 1) Impulse spark-over voltage at 100 V/us - for 99 % of measured values - typical values of distribution at 1 kV/us - for 99 % of measured values - typical values of distribution

250 20 < 550 < 500 < 700 < 650 20 25 10 100 > 10 < 1.5 ~ 15 ~ 0.5 ~ 60 ~ 1.5 -40 ... +90 40/ 90/ 21 250 YY O
250 YY O - Nominal voltage - Year of production - Non radioactive

V % V V V V kA kA A A G pF V A V g C

Nominal impulse discharge current (wave 8/20 us) Single impulse discharge current (wave 8/20 us) Nominal alternating discharge current (50 Hz, 1 s) Alternating discharge current (50 Hz, 9 cycles) Insulation resistance at 100 Vdc Capacitance at 1 MHz Arc voltage at 1 A Glow to arc transition current Glow voltage Weight Operation and storage temperature Climatic category (IEC 60068-1) Marking, blue

xxxx = S102 (100 pcs on 5 taped stripes) = T502 (500 pcs on tape and reel)

At delivery AQL 0.65 level II, DIN ISO 2859 Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845

AB E / AB PM Page 1 of 2

Issue 01, 27.10.2003