Arrester Type

Length mm

Rated voltage(r.m.s)kV

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

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

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

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

2ms
rectangular withstand discharge capacity
A

4/10μs
current
impulse
withstand
discharge
capacity
kA

Y5w6-3/8.5  TB

270

3

2.55

9.6

8.5

6.5

100

65

Y5w6-6/17   TB

318

6

5.1

19.1

17

12.9

100

65

Y5w6-9/26   TB

375

9

7.65

29.2

26

19.4

100

65

Y5w6-10/28 TB

375

10

8.4

31.5

28

21.3

100

65

Y5w6-11/31.5 TB

390

11

9.3

35.3

31.5

23.5

100

65

Y5w6-12/34.2 TB

405

12

10.2

38.3

34.2

25.8

100

65

Y5w6-15/42.6 TB

440

15

12.7

47.7

42.6

32.3

100

65

Y5w6-18/51.2 TB

485

18

15.3

57.5

51.2

38.7

100

65

Y5w6-20/55    TB

515

20

16.4

61.6

55

41.4

100

65

Y5w6-21/57    TB

515

21

17.0

63.9

57

43.0

100

65

Y5w6-22/59.8 TB

550

22

17.8

67

59.8

44.9

100

65

Y5w6-24/65.5 TB

575

24

19.5

73.5

65.5

49.4

100

65

Y5w6-27/74  TB

615

27

22.0

82.9

74

55.7

100

65

Y5w6-30/81.8 TB

660

30

24.4

91.7

81.8

61.8

100

65

Y5w6-33/92.5 TB

700

33

27.5

103.7

92.5

70.0

100

65

Y5w6-36/97.3 TB

740

36

29.0

109

97.3

73.4

100

65

Arrester Type

Length mm

Rated voltage (r.m.s) kV

Power frequency sparkover  voltage
not less (r.m.s) kV

Max
impulse sparkover voltage at 1.2/50μs
not more
kV(peak)

Max front of wave sparkover  voltage
not more kV(peak)

8/20μs
lightning
impulse
residual
voltage
5kA(peak)
exceeding
kVp

2ms rectangular withstand discharge capacity A

4/10μs
current
impulse
withstand
discharge
capacity
kA

Y 5C6-3/6.5 TB

270

3

4.5

6.3

7.3

6.5

100

65

Y5C6-6/13.3 TB

318

6

9

13

15

13.3

100

65

Y5C6-9/19.5 TB

375

9

13.5

19.1

22

19.5

100

65

Y5C6-10/21 TB

375

10

15

20.5

23.6

21

100

65

Y5C6-11/25.8 TB

390

11

16.5

25.2

29

25.8

100

65

Y5C6-12/28.8 TB

405

12

18

28.1

32.3

28.8

100

65

Y5C6-15/33.6 TB

440

15

22.5

32.8

37.7

33.6

100

65

Y5C6-18/41.3 TB

485

18

27

40.5

46.5

41.3

100

65

Y5C6-20/45.8 TB

515

20

30

44.9

51.6

45.9

100

65

Y5C6-21/47.6 TB

515

21

31.5

46.6

53.6

47.6

100

65

Y5C6-22/50.4 TB

550

22

33

49.3

56.7

50.4

100

65

Y5C6-24/55 TB

575

24

36

53.8

62

55

100

65

Y5C6-27/62.8 TB

615

27

40.5

61.5

70.7

62.8

100

65

Y5C6-30/71 TB

600

30

45

69.6

80

71

100

65

Y5C6-33/78 TB

700

33

49.5

46.5

88

78

100

65

Y5C6-36/85 TB

740

36

54

83.3

96

85

100

65