Surge arrester
3-electrode arrester
Features
Applications
B88069X7460B102
T63-C350X
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?
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Very fast response time
Maximum current rating
Stable performance over life
Low capacitance
High insulation resistance
RoHS-compatible
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Branch Exchange (MDF)
Line protection
Station protection
Electrical specifications
DC spark-over voltage 1) 2) 3)
Impulse spark-over voltage 3)
at 100 V/μs - for 99 % of measured values
- typical values of distribution
400
± 25
< 800
< 700
V
%
V
V
at 1 kV/μs
- for 99 % of measured values
- typical values of distribution
< 900
< 800
V
V
Service life
10 operations
1 operation
10 operations [5x (+) & 5x (-)]
1 operation
1 operation
200 operations
400 operations
Insulation resistance at 100 V DC 3)
Capacitance at 1 MHz 3)
50 Hz, 1 s 4)
50 Hz, 0.18 s (9 cycles) 4)
8/20 μs 4)
8/20 μs 4)
10/350 μs 4)
10/700 μs 4)
10/1000 μs 4)
20
130
20
40
5
400
1000
> 10
< 1.5
A
A
kA
kA
kA
A
A
G ?
pF
Transverse delay time
5)
< 0.2
μs
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
Weight
Operation and storage temperature
Climatic category (IEC 60068-1)
~ 35
~1
~ 200
~ 3.5
-40 ... +90
40/ 90/ 21
V
A
V
g
°C
Marking, blue negative
350 YY O
Remarks on next page above
350
YY
O
- Nominal voltage
- Year of production
- Non radioactive
PPD AB PD / PPD AB PM
Please read Cautions and warnings and
Important notes at the end of this document.
Page 2 of 4
Issue 04 / 2011-12-20
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