B4-A350X Datasheet | EPCOS

.. Surge Arrester 2-Electrode-Arrester B4-A350X Ordering code: B88069X3980C102 DC spark-over voltage 1) 2) 350 ± 20 < 800 < 700 2.5 3 2.5 10 > 10 < 1.5 ~ 15 ~ 0.5 ~ 60 ~ 1.5 -40 ... +90 40/ 90/ 21 350 YY 350 YY - Nominal voltage - Year of production V % V V kA kA A A GΩ pF V A V g °C Impulse spark-over voltage at 100 V/µs - for 99 % of measured values - typical values of distribution Nominal impulse discharge current (wave 8/20 µs) Single impulse discharge current (wave 8/20 µs) 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...