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

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

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

Type Nominal System Voltage Rated Voltage Continuous Operating Voltage MRV 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 DC 4/10 μ s High Current Impulse Twice (KA) 2mS SW through-flow capacity A/18 Line Discharge Class
10KA 20KA 10KA 20KA 0.5KA 2KA
Y10W5-420/960 500 420 318 1075   960   852   565 100 1500 4
Y20W5-420/1046 500 420 318   1070   1046   858 565 100 2000 5
Y10W5-444/1015 500 444 324 1137   1015   900   597 100 1500 4
Y20W5-444/1106 500 444 324   1238   1106   907 597 100 2000 5
Y10W5-468/1070 500 468 330 1198   1070   950   630 100 1500 4
Y20W5-468/1166 500 468 330   1306   1166   956 630 100 2000 5

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