Audited Supplier
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 | |||||||||
