Surge Arrester
3-Electrode Ceramic Surge Arrester
3R350AL
4
3R Ceramic Surge Arresters
SPECIFICATION
Changzhou Wujin Jiangnan Discharge Tube Co.,Ltd
Add:Zouqu Town Industrial Zone,Wujin Changzhou City,Jiangsu,China
Tel:0519-83631254
Fax:0519-83631533
Email:jiangnan@jiangnan-cn.cn
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Surge Arrester
3-Electrode Ceramic Surge Arrester
3R350AL
4
·Electrical
Characteristics
DC spark-over voltage
Impulse spark-over voltage
at
100V/μs
- for 99% of measured values
-typical values of distribution
at 1
kV/μs
- for 99% of measured values
- typical values of distribution
Service life
10 operations
10 operations
[5x (+)&5x(-)]
1 operations
1 operations
300 operations
[5x (+)&5x(-)]
Insulation resistance at 50 Vdc
Capacitance at 1 MHz
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
Weight
Operation and storage temperature
Marking, blue
350
±20
<700
<600
<900
<800
Type: 3R350AL4
V
%
V
V
V
V
A
kA
kA
KA
A
GΩ
pF
V
A
V
g
℃
50Hz, 1s
8/20μs
8/20μs
10/350μs
10/1000μs
10
20
25
1
200
>10
<1.5
~15
~0.6
~70
~2.0
-40…+125
3R350
3R
350
-Two Electrode
-Nominal voltage
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