Surge Arrester
2-Electrode-Arrester
A61-A350XF
Ordering code: B88069X4470C102
DC spark-over voltage 1) 2)
Impulse spark-over voltage
350
V
%
± 20
at 100 V/µs - for 99 % of measured values
< 750
< 680
V
V
- typical values of distribution
at 1 kV/µs
- for 99 % of measured values
- typical values of distribution
< 900
< 750
V
V
Nominal impulse discharge current (wave 8/20 µs)
10
20
kA
kA
Single impulse discharge current
(wave 8/20 µs) 3)
Nominal alternating discharge current (50 Hz, 1 s)
Alternating discharge current (50 Hz, 9 cycles)
10
40
A
A
Service life
300 operations
Insulation resistance at 100 Vdc
Capacitance at 1 MHz
10/1000 µs
100
A
> 10
< 1.5
GΩ
pF
Arc voltage at 1 A
< 20
< 0.5
~ 60
V
A
V
Glow to arc transition current
Glow voltage
Weight
~ 1.5
g
Storage temperature
Climatic category (IEC 60068-1)
Marking, red
-40 ... +90
40/ 90/ 21
°C
350 YY O
350
YY
O
- Nominal voltage
- Year of production
- Non radioactive
1)
At delivery AQL 0.65 level II, DIN ISO 2859
In ionized mode
2)
3)
After load: Insulation resistance >108 Ω,
Impulse spark-over voltage < 1000 V
Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845
AB E / AB PM
Issue 02, 06.03.2003
Page 1 of 2
EPCOS [ EPCOS ]
