sm350xtx4271| Datasheet

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Surge Arrester 2-Electrode-Arrester

SM350XT Ordering code: B88069X4271B103

DC spark-over voltage 1) 2) 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

340 ... 440

< 650 < 550 < 750 < 650 1.5 3 >1 <1 ~ 20 < 0.5 ~ 130 ~ 0.3 -40 ... +90 40/ 90/ 21

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

Nominal impulse discharge current (wave 8/20 us) Single impulse discharge current (wave 8/20 us) 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, without
1) 2)

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

KB AB E / KB AB PM Page 1 of 2

Issue 01, 27.09.2004