|
Surge Arrester
Type |
System nominal voltage(kv rms)
|
Rated voltage kV
|
Max
Continuous Operating
|
DC reference voltage
|
Max discharge residual voltage
|
2ms rectangular impulse
|
4/10 us high impulse withstand current (kA)
|
Min.power freq.withstand voltage
|
Impulse withstand voltage
|
Pressure
Relief class
|
Creepage (mm)
|
|
||||
|
Under operation impulse current
|
Under 8/20 us lightning impulse current
|
Under steep impulse current
|
||||||||||||||
|
wet
|
dry
|
High current for 0.2s
|
High current for 0.5s
|
|
||||||||||||
|
YH5W-3
|
3.3/3.6
|
3
|
2.55
|
5
|
7.7
|
9
|
9.5
|
|
|
20
|
24
|
48
|
|
|
180
|
|
|
YH5W-6
|
6.6/7.25
|
6
|
5.1
|
8
|
15.4
|
18
|
19
|
|
|
30
|
35
|
70
|
|
|
250
|
|
|
YH5W-9
|
11/12
|
9
|
7.65
|
18
|
23.1
|
27
|
28.5
|
100
|
65
|
50
|
70
|
95
|
16
|
0.8
|
390
|
|
|
YH5W-20
|
22/24.2
|
20
|
19.5
|
35
|
53.9
|
63
|
66.5
|
|
|
60
|
80
|
125
|
|
|
550
|
|
|
YH5W-30
|
33/36
|
30
|
24.4
|
65
|
76.5
|
90
|
95
|
|
|
80
|
90
|
170
|
|
|
900
|
|
|
YH10W-3
|
3.3/3.6
|
3
|
2.55
|
5
|
7.7
|
9
|
9.5
|
|
|
20
|
24
|
48
|
|
|
180
|
|
|
YH10W-6
|
6.6/7.25
|
6
|
5.1
|
8
|
15.4
|
18
|
19
|
|
|
50
|
35
|
70
|
|
|
250
|
|
|
YH10W-9
|
11/12
|
9
|
7.65
|
18
|
29
|
30.5
|
32
|
100
|
65
|
30
|
70
|
95
|
16
|
0.8
|
390
|
|
|
YH10W-20
|
22/24
|
20
|
17
|
35
|
53.9
|
63
|
66.5
|
|
|
60
|
80
|
125
|
|
|
350
|
|
|
YH10W-30
|
33/36
|
30
|
24.4
|
65
|
90
|
95
|
99
|
|
|
90
|
95
|
170
|
|
|
900
|
|
