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550kV porcelain surge arrester


The 550kV porcelain surge arrester from ChinaElectrical is a high-voltage protection device. It is designed to handle extreme voltage conditions and protect electrical equipment from damage. With its advanced design and quality construction, this arrester ensures the reliable operation of 550kV power systems. Trust ChinaElectrical for your 550kV porcelain surge arrester requirements.
Description
Nominal system voltage Un Product Model Type Rated voltage Ur Continuous operating voltage Uc DC reference voltage U1mA Power frequency reference voltage Uref Residual pressure not greater than kVp 2ms square wave current A Total height A Number of units Creepage specific distance Total mass
kVr.m.s kVr.m.s kVr.m.s kV kVr.m.s 30/60μs 8/20μs 1 μs steep wave (mm) (mm/kV) (kg)
550 Y20W-420/1006 420 318 565 420 824 1006 1126 2,000 6280 3 31 1550
Y20W-444/1106 444 324 597 444 907 1106 1238 2,000
Y20W-468/1166 468 330 630 468 956 1166 1306 2,000
500 neutral point Y1.5W-96/260 96 77 137 96 243 260 - 600 1785/1530 1 31 200/150

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