420kv Power Station Type Electric Polymer Housing Surge Arrester
420kv Power Station Type Electric Polymer Housing Surge Arrester image
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Quick Details
Product Details
420KV Power Station Type Electric Polymer Housing Surge Arrester
Rated voltage 420KV
Maximum system voltage:550KV
Continuous operating voltage:336KV
Shed diameter a1/a2:412/380
Height b:5824 mm
Creepage distance:17052 mm
Gross weight:1355Kg
Lightning impulse withstand 1425KV
Power frequency voltage withstand(dry/wet):1050KV
|
Mximum System voltage Kv Um |
Rated voltage KV |
Continuous operating voltage KV |
1/5μs residual steep impulse current KV |
8/20μs residual voltage of lightning impulse current |
30/60μs residual voltage impulse current KV |
Line discharge level |
2ms long durationg current A |
4/10μs high current impulse KA |
Housing inluation withstand(at IEC or ANSI) |
||||||||
|
IEC |
ANSI |
10KA |
20KA |
5KA |
10KA |
20KA |
0.5KA |
1KA |
2KA |
Lightning impulse withstand KV |
Switching impulse withstand |
Power frequency voltage withstand (dry/wet)KV |
|||||
|
550 |
420 |
336 |
1069 |
1079 |
912 |
990 |
1092 |
793 |
819 |
849 |
4 |
1300 |
120 |
1425 |
|
1050 |
|
|
1056 |
1066 |
905 |
978 |
1080 |
787 |
813 |
842 |
1500 |
|||||||||
|
1043 |
1053 |
894 |
966 |
1068 |
777 |
803 |
831 |
5 |
1800 |
150 |
|||||||
|
1011 |
1020 |
870 |
936 |
1032 |
763 |
788 |
816 |
2100 |
|||||||||
We are China 420kv Power Station Type Electric Polymer Housing Surge Arrester manufacture and supplier,You can get more details with Email,you will get cheap price or factory price.
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