Surge Arrester
2-Electrode-Arrester
B4-A350X
Ordering code:
B88069X3980C102
DC spark-over voltage
1) 2)
350
±
20
< 800
< 700
2.5
3
2.5
10
> 10
< 1.5
~ 15
~ 0.5
~ 60
~ 1.5
-40 ... +90
40/ 90/ 21
350 YY
350
YY
- Nominal voltage
- Year of production
V
%
V
V
kA
kA
A
A
G
Ω
pF
V
A
V
g
°C
Impulse spark-over voltage
at 100 V/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, on electrodes
1)
2)
At delivery AQL 0.65 level II, DIN ISO 2859
In ionized mode
AB E / AB PM
Page 1 of 2
Issue 01, 28.04.2003
Surge Arrester
2-Electrode-Arrester
B4-A350X
Ordering code:
B88069X3980C102
Not to scale
Dimensions in mm
Non controlled document
©
EPCOS AG 2002. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and
Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless
otherwise agreed.
AB E / AB PM
Page 2 of 2
Issue 01, 28.04.2003
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