Surge Arrester
3-Electrode-Arrester
T81-A350X
Ordering code:
B88069X9190B202
DC spark-over voltage
1) 2) 4)
Impulse spark-over voltage
4)
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
350
±
20
< 700
< 600
< 900
< 800
10
15
10
40
> 10
< 1.5
< 0.2
~ 35
~1
~ 200
~ 2.2
-40 ... +90
40/ 90/ 21
350 YY O
350
YY
O
- Nominal voltage
- Year of production
- Non radioactive
V
%
V
V
V
V
kA
kA
A
A
G
Ω
pF
µs
V
A
V
g
°C
Nominal impulse discharge current (wave 8/20 µs)
5)
Single impulse discharge current
(wave 8/20 µs)
5)
Nominal alternating discharge current (50 Hz, 1 s)
5)
Alternating discharge current (50 Hz, 9 cycles)
5)
Insulation resistance at 100 V
dc 4)
Capacitance at 1 MHz
4)
Transverse delay time
3)
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
Weight
Operation and storage temperature
Climatic category (IEC 60068-1)
Marking, red
1)
2)
At delivery AQL 0.65 level II, DIN ISO 2859
In ionized mode
3)
Test according to ITU-T Rec. K.12
4)
Tip or ring electrode to center electrode
5)
Total current through center electrode, half value through
tip respectively ring electrode.
Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845
AB E / AB PM
Page 1 of 2
Issue 03, 23.05.2002
Surge Arrester
3-Electrode-Arrester
T81-A350X
Ordering code:
B88069X9190B202
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 03, 23.05.2002
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