Surge Arrester A71 -H25X
2-Electrode-Arrester Ordering code: B88069X2190S102
AB E / AB PM Issue 04, 18.04.2002
Page 1 of 2
DC spark-over voltage
1) 2)
2500
± 20
V
%
Impulse spark-over voltage
at 100 V/µs - for 99 % of measured values
- typical values of distribution
at 1 kV/µs - for 99 % of measured values
- typical values of distribution
< 3900
< 3800
< 4000
< 3900
V
V
V
V
Nominal impulse discharge current (wave 8/20 µs)
Single impulse dischar ge current (wave 8/20 µs)
2.5
2.5
kA
kA
Nominal alternating discharge current (50 Hz, 1 s)
Alternating discharge current (50 Hz, 9 cycles)
2.5
2.5
A
A
Insulation resistance at 100 V
dc
>10
GΩ
Capacitance at 1 MHz < 1 pF
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
~20
~1
~ 180
V
A
V
Weight ~ 1.5 g
Operation and storage temperature -40 ... +90 °C
Climatic category (IEC 60068-1) 40/ 90/ 21
Marking, green
2500 YY O
2500 - Nominal voltage
YY - Year of production
O-Nonradioactive
1)
At delivery AQL 0.65 level II, DIN ISO 2859
2)
In ionized mode
Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845
