Surge Arrester
T81-A150X
3-Electrode-Arrester
Ordering code: B88069X9580B202
DC spark-over voltage 1) 2) 4)
Impulse spark-over voltage 4)
150
± 20
V
%
at 100 V/µs - for 99 % of measured values
< 450
< 400
V
V
- typical values of distribution
at 1 kV/µs
- for 99 % of measured values
- typical values of distribution
< 550
< 500
V
V
5)
Nominal impulse discharge current (wave 8/20 µs)
Single impulse discharge current
10
12,5
kA
kA
(wave 8/20 µs) 5)
Nominal alternating discharge current (50 Hz, 1 s) 5)
10
50
A
A
Alternating discharge current (50 Hz, 9 cycles) 5)
4)
Insulation resistance at 100 Vdc
> 10
GΩ
pF
Capacitance at 1 MHz 4)
Transverse delay time 3)
< 1.5
< 0.2
µs
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
~ 15
~ 0.6
~ 60
V
A
V
Weight
~ 2.2
g
Operation and storage temperature
Climatic category (IEC 60068-1)
Marking, red
-40 ... +90
40/ 90/ 21
°C
150 YY O
150
YY
O
- Nominal voltage
- Year of production
- Non radioactive
1)
At delivery AQL 0.65 level II, DIN ISO 2859
In ionized mode
Test according to ITU-T Rec. K.12
Tip or ring electrode to center electrode
2)
3)
4)
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
Issue 04, 23.05.2002
Page 1 of 2