Arrester
Type

Length
mm

Rated voltage (r.m.s )
kV

Arrester continuous operating voltage (r.m.s)
kV

1/10μs steepest wave residual  voltage
5kA not exceeding
kVp

8/20μs lightning residual voltage
5kA not exceeding kVp  

30/60μs switching residual voltage
125A not exceeding
kVp

2ms rectangular withstand discharge capacity
A

4/10μs
current
impulse
with stand
discharge
capacity
kA

HY5W-3/8.5 TB

189

3

2.55

9.6

8.5

6.5

100

65

HY5W-6/17 TB

229

6

5.1

19.1

17

12.9

100

65

HY5W-9-26 TB

269

9

7.65

29.2

26

19.4

100

65

HY5W-10/28 TB

269

10

8.4

31.5

28

21.3

100

65

HY5W-11/31.5 TB

269

11

9.3

35.3

31.5

23.5

100

65

HY5W-12/34.2 TB

269

12

10.2

38.3

34.2

25.8

100

65

HY5W-15/42.6 TB

309

15

12.7

47.7

42.6

32.3

100

65

HY5W-18/51.2 TB

349

18

15.3

57.5

51.2

38.7

100

65

HY5W-20/55 TB

349

20

16.4

61.6

55

41.4

100

65

HY5W-21/57 TB

349

21

17.0

63.9

57

43.0

100

65

HY5W-22/59.8 TB

349

22

17.8

67

59.8

44.9

100

65

HY5W-24/65.5 TB

389

24

19.5

73.5

65.5

49.4

100

65

HY53027/74 TB

389

27

22.0

82.9

74

55.7

100

65

HY5W-30/81.8 TB

429

30

24.4

91.7

81.8

61.8

100

65

HY5W-33/92.5 TB

469

33

27.5

103.7

92.5

70.0

100

65

HY5W-36/97.3 TB

469

36

29.0

109

97.3

73.4

100

65