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LIGHTNING ARRESTER

YHWS1 Lightning arrester
Type System rated
Voltage
(KV)		 Lightning arrester
rated voltage
(KV)		 Lightning arrester
continuous
operating voltage(KV)		 DC 1mA Voltage
(KV)		 Nominal
discharge
current wire(KV)		 Square wage
impulse current
endurance(A)
YHWS-3.8/17 3 3.8 20 7.5 17 100
YHWS-7.6/30 6 7.6 4.0 15 30 100
YHWS-10/30 6 10 4.0 15 30 100
YHWS-12.7/50 10 12.7 6.6 25 50 100
YHWS-17/45 10 17 12.7 25 50 　
Y5C-Y10C Lightning arrester
Type Rated voltage
KV		 Power frequency
discharge
current
＋KV		 Impulse
discharge
voltage
−KV		 8/20 u Residual
voltage for lightning impulse
＋KV		 Square wave through
discharge
A		 4/10 u S impulse
max current
20 times
KV		 Front-of-wave
Impulse max spark over voltage
KV
Y5C-15 15 26 47 57 100 40 47
Y10C-15 26 43 51 150 65 43
Y5C-18 18 33 48 57 100 40 66
Y10C-18 33 48 60 200 65 70
Y5C-24 24 40 66 80 100 40 88
Y10C-24 40 66 80 200 65 92
Y5C-33 33 56 100 123 100 40 100
Y10C-33 56 93 113 200 65 93
Y5C-36 36 61 106 133 100 40 106
Y10C-36 61 99 120 200 65 99

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