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Rated Voltage: 18KV
Application: High Voltage
Material: zinc oxide
Type: Insulator
Place of Origin: China (Mainland)

Specifications



18kV,5kA Metal-oxide Surge Arrester,Thunder Protection,Power Surge Protector



Main Technical Parameter
Rated voltage r. m.S: 24kV
Nominal discharge current: 5kA
Maximun continous operating voltage(Uc)(kV): 20.4kV

Residual voltage at:
1/4μs lightning current impulse residual voltage(kV): 76.0
8/20μs lighting current impulse residual voltage(kV): 69.1
30/60μs switching current impulse residual voltage(kV): 58.1

Long duration current impulse withstand:
2ms rectangular current(A): 100
Operating duty:
4/10u s high current impulse(kA): 65

Creepage distance(mm): 720mm
Dimension: 405*206mm



Type Current with stand Residual voltage H×B
4/10us 30/60us 8/20us 1/4us
2ms
2ms 4/10us 30/60us switching current 8/20us 1/4us
Rated voltage MCOV Nominal discharge current rectanglar current impulse withstand high current impulse withstand impulse lightning current impulse lightning current impulse Creepage distance Size
kV kV kA A kA kVp kVp kVp mm mm
YH 5W-3 3 2.55 7.2 8.6 9.5 180 210×200
YH 5W-6 6 5.1 14.7 17.3 19.0 270 240×200
YH 5W-9 9 7.65 21.8 25.9 28.5 270 240×200
YH 5W-12 12 10.2 29.1 34.6 38.1 360 270×200
YH 5W-15 15 12.8 36.3 43.2 47.5 450 300×200
YH 5W-18 18 15.3 5 100 65 43.5 51.8 57.0 540 330×200
YH 5W-21 21 17.9 50.7 60.4 66.4 630 375×206
YH 5W-24 24 20.4 58.1 69.1 76.0 720 405×206
YH 5W-27 27 23 65.3 77.7 85.5 810 435×206
YH 5W-30 30 25.5 72.5 86.3 95.0 900 465×206
YH 5W-33 33 28.1 79.8 95.0 104.5 900 465×206
YH 5W-36 36 30.6 87.0 103.6 114.0 990 495×206