Surge Arrester
2-Electrode-Arrester
A71-H25X
Ordering code: B88069X2190xxxx a)
DC spark-over voltage 1) 2)
Impulse spark-over voltage
2500
V
%
± 20
at 100 V/µs - for 99 % of measured values
< 3900
< 3800
V
V
- typical values of distribution
at 1 kV/µs
- for 99 % of measured values
- typical values of distribution
< 4000
< 3900
V
V
Nominal impulse discharge current (wave 8/20 µs)
Single impulse discharge 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 Vdc
Capacitance at 1 MHz
> 10
< 1
GΩ
pF
Arc voltage at 1 A
~ 20
~ 1
V
A
V
Glow to arc transition current
Glow voltage
~ 180
Weight
~ 1.5
g
Operation and storage temperature
Climatic category (IEC 60068-1)
Marking, green
-40 ... +90
40/ 90/ 21
°C
2500 YY O
2500
YY
O
- Nominal voltage
- Year of production
- Non radioactive
a)
xxxx = S102 (100 pcs on 5 taped stripes)
= T502 (500 pcs on tape and reel)
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
AB E / AB PM
Issue 05, 27.10.2003
Page 1 of 2
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