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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 transiti...