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550kv AC System Ceramic Porcelain Gapless Metal-Oxide Lightning Surge Arrester (Y20W5-444)

550kv AC System Ceramic Porcelain Gapless Metal-Oxide Lightning Surge Arrester (Y20W5-444)

550kv AC System Gapless Metal Oxide Surge Arrester (Y20W5-444)Parameters: Rated voltage: 444KV Nominal discharge current;
Basic Info
Model NO. Y20W5-444
Shape Cuboid
Material ZnO
Certification ISO9001
Brand Yongde
Phase Single
System Voltage 500kv
Housing Color Brown
Type Test Kema
Transport Package by Wood Carton
Specification IEC60099-4
Trademark YONGDE
Origin China
HS Code 85354000
Production Capacity 200PCS/Year
Product Description
550kv AC System Gapless Metal Oxide Surge Arrester (Y20W5-444)Parameters:
Rated voltage: 444KV
Nominal discharge current: 20KA
Shed diameter: 412/380
Creepage distance: 17052mm
Height: 5824mm
Gross weight: 1355kg
High current impulse: 120KA
Lightning impulse withstand 1425KV
Switching impulse withstand: 1050/1175
TypeNominal System VoltageRated VoltageContinuous Operating VoltageMRV under 1/5 μ s Steeo Discharge Current MRV under 8/20 μ s Lightning Discharge Current MRV under 30/60 μ s Operating Discharge Current Minmum Reference Voltage under 1 mA DC4/10 μ s High Current Impulse Twice (KA)2mS SW through-flow capacity A/18Line Discharge Class
10KA20KA10KA20KA0.5KA2KA
Y10W5-420/9605004203181075 960 852 56510015004
Y20W5-420/1046500420318 1070 1046 85856510020005
Y10W5-444/10155004443241137 1015 900 59710015004
Y20W5-444/1106500444324 1238 1106 90759710020005
Y10W5-468/10705004683301198 1070 950 63010015004
Y20W5-468/1166500468330 1306 1166 95663010020005

550kv AC System Ceramic Porcelain Gapless Metal-Oxide Lightning Surge Arrester (Y20W5-444)

550kv AC System Ceramic Porcelain Gapless Metal-Oxide Lightning Surge Arrester (Y20W5-444)

550kv AC System Ceramic Porcelain Gapless Metal-Oxide Lightning Surge Arrester (Y20W5-444)

550kv AC System Ceramic Porcelain Gapless Metal-Oxide Lightning Surge Arrester (Y20W5-444)

550kv AC System Ceramic Porcelain Gapless Metal-Oxide Lightning Surge Arrester (Y20W5-444)

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