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Surge Arrester
2-Electrode-Arrester
N81-A90X
Ordering code: B88069X4880S102
DC spark-over voltage 1) 2)
Impulse spark-over voltage
at 100 V/μs - for 99 % of measured values
- typical values of distribution
90
± 20
< 500
< 450
V
%
V
V
at 1 kV/μs
- for 99 % of measured values
< 600
V
- 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 50 V dc
Capacitance at 1 MHz
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
Weight
Operation and storage temperature
Climatic category (IEC 60068-1)
Marking, red
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
< 550
10
12
10
65
> 10
< 1.5
~ 15
~ 0.5
~ 60
~ 1.5
-40 ... +90
40/ 90/ 21
90 YY O
90
- Nominal voltage
YY
- Year of production
O
- Non radioactive
V
kA
kA
A
A
G ?
pF
V
A
V
g
°C
AB E / AB PM
Page 1 of 2
Issue 03, 26.04.2002
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