EPCOS B4-A350X 2-electrode-arrester Datasheet

Surge Arrester
2-Electrode-Arrester
DC spark-over voltage
B4-A350X
Ordering code: B88069X3980C102
1) 2)
350
± 20
V
%
Impulse spark-over voltage
at 100 V/µs - for 99 % of measured values
- typical values of distribution
< 800
< 700
V
V
Nominal impulse discharge current (wave 8/20 µs)
Single impulse discharge current
(wave 8/20 µs)
2.5
3
kA
kA
Nominal alternating discharge current (50 Hz, 1 s)
Alternating discharge current (50 Hz, 9 cycles)
2.5
10
A
A
Insulation resistance at 100 Vdc
> 10
GΩ
Capacitance at 1 MHz
< 1.5
pF
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
~ 15
~ 0.5
~ 60
V
A
V
Weight
~ 1.5
g
Operation and storage temperature
-40 ... +90
°C
Climatic category (IEC 60068-1)
40/ 90/ 21
Marking, on electrodes
350 YY
350
YY
1)
2)
- Nominal voltage
- Year of production
At delivery AQL 0.65 level II, DIN ISO 2859
In ionized mode
AB E / AB PM
Issue 01, 28.04.2003
Page 1 of 2
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
Issue 01, 28.04.2003
Page 2 of 2
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