Datasheet

3 8
Pleas e read Important notes on page 4 and Cautions and warnings on page 69.
B i tte beachten Sie d i e S e i te 4 Wichtige Hinweise s owi e d i e
Warn- und Sicherheitshinweise auf S e i te 69.
A7 Series
© EPCOS AG 2008
2-Electrode Arresters
2-Elektroden-Ableiter
Type A71-H25X A71-H35X A71-H45X A71-H55X
Ordering code B88069X2190S102 B88069X2200S102 B88069X2590S102 B88069X2620S102
Nom. DC spark-over 2500 3500 4500 5500 V
voltage V
sdcN
Tolerance of V
sdcN
±20±20 ±20±15 %
Impulse spark-over
voltage
@ 100 V/µs 99% of <3900 < 4900 < 5800 < 6500 V
measured values
@ 100 V/µs typical < 3800 < 4800 < 5700 < 6000 V
values
@ 1 kV/µs 99% of < 4000 < 5000 < 6000 < 7000 V
measured values
@ 1 kV/µs typical < 3900 < 4900 < 5800 < 6500 V
values
Nom. alternating 2.5 2.5 2.5 2.5 A
discharge current
@ 50 Hz, 1s
Alternating 2.5 2.5 2.5 2.5 A
discharge current
@ 50 Hz, 9 cycles
Nom. impulse 5555kA
discharge current
10 operations 8/20 µs
Single impulse 5555kA
discharge current
1 operation 8/20 µs
Insulation resistance > 10 > 10 > 10 > 10 G Ω
Capacitance < 1<1<1<1pF
@ 1 MHz
About packing see page 65.
Medium-duty / High-voltage types
5 kA / 2.5 A • Ø 8 x 8 mm
RAB0129-H
60+4
7.9±0.3
ø1
+0.2
0.4
ø8
_
A71-...
Ueberspannungsableiter_de-en_2009.qxd 03.11.2008 16:19 Uhr Seite 38