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TGE Issued New Technical Parameters Of Metal Oxide Varistors (D42)



No.

1

2

3

4

series

AC MOV

type

D42H22

D42H24

D42H29

D42H36

suggested rated voltage (kV)

3.3

3.6

4.4

5.4

MCOV (kV)

2.8

3.1

3.7

4.6

diameter (mm)

42±0.7

42±0.7

42±0.7

42±0.7

height (mm)

29±0.3

36±0.3

19.5±0.3

32±0.3

DC U1mA (kV)

4.85±0.3

5.28±0.3

6.4±0.45

7.95±0.5

IL at 75% of U1mA(µA)

≤15

≤15

≤15

≤15

Ures (kV)

8.6±0.5

9.35±0.6

11.3±0.7

14.1±0.8

typical Ures / U1mA

1.77

1.77

1.77

1.77

repetitive charge transfer Qrs (C)

0.5

0.6

0.5

0.5

guaranted 2ms test current (A)

400

500

400

400

max 2ms test current (A)

400

600

400

400

4/10µs high current test (kA)

100

100

100

100

nominal discharge current In (kA)

10

10

10

10

accelerated ageing test

115℃              0.9*U1mA/√2          Kct ≤ 1.0




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