Surge Arrester
2-Electrode-Arrester
A81-A250XSMD
Ordering code: B88069X1520T352
DC spark-over voltage 1)
250
± 20
V
%
Impulse spark-over voltage
at 100 V/µs - for 99 % of measured values
< 550
< 500
V
V
- typical values of distribution
at 1 kV/µs
- for 99 % of measured values
- typical values of distribution
< 700
< 650
V
V
Nominal impulse discharge current (wave 8/20 µs)
Single impulse discharge current (wave 8/20 µs)
20
25
kA
kA
Nominal alternating discharge current (50 Hz, 1 s)
Alternating discharge current (50 Hz, 9 cycles)
10
A
A
100
Insulation resistance at 100 Vdc
Capacitance at 1 MHz
> 10
GΩ
< 1.5
pF
Arc voltage at 1 A
~ 15
~ 0.5
~ 60
V
A
V
Glow to arc transition current
Glow voltage
Weight
~ 1.5
g
Operation and storage temperature
Climatic category (IEC 60068-1)
Marking, blue
-40 ... +90
40/ 90/ 21
°C
250 YY O
250
YY
O
- Nominal voltage
- Year of production
- Non radioactive
1)
At delivery AQL 0.65 level II, DIN ISO 2859
Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845
AB E / AB PM
Issue 01, 27.10.2003
Page 1 of 2
EPCOS [ EPCOS ]
