A81-A400X Datasheet, PDF (1/2 Pages) EPCOS – 2-Electrode-Arrester

Surge Arrester
2-Electrode-Arrester
Preliminary data
DC spark-over voltage ^{1) 2)}
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
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 100 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, blue
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
A81-A400X
Ordering code: T. B. D.
400
V
± 20
%
< 800
V
< 700
V
< 950
V
< 850
V
20
kA
25
kA
20
A
100
A
> 10
GΩ
< 1.5
pF
~ 15
V
~ 0.5
A
~ 60
V
~ 1.5
g
-40 ... +90
°C
40/ 90/ 21
400 YY O
400 - Nominal voltage
YY
- Year of production
O
- Non radioactive
AB E / AB PM
Page 1 of 2
Issue 02, 18.04.2002