Protector Type

System voltage

Continuous operating voltage KV

DC (U1MA) not less than the reference voltage kV

Lightning impulse residual voltage

2000μs square wave impulse current (A)

HD、TBP-A

-

3.2

5.7

9.5

400

6.3

11.3

19.0

400

10.5

18.9

31.0

400

HD、TBP-B

3

4

7.5

17.0

400

6

8

16

30.0

400

10

13.6

26

50.0

400

HD、TBP3-C

3

4

7.2

13.5

400

6

8

13.8

27.0

400

10

13.6

24

45.0

400

HD、TBP3-O

-

3.15

3.4

6.0

400

6.3

6.9

12.0

400

10.5

11.3

19.0

400