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d48 series mov for line surge arrester
disc varistor
zno varistor
zov mov
zov varistor
d48 series mov for line surge arrester
disc varistor
zno varistor
zov mov
zov varistor

D48 Series MOV Block for Line Surge Arrester

The D48 Series MOV for Line Surge Arrester is an advanced, reliable and robust surge protection solution for 10-220kV line surge arrester applications. It features a modular design with a high-performance, high-efficiency MOV varistor block that is designed for maximum reliability and safety. The block's modular design makes it easy to install and maintain, while its robust construction ensures long-term reliability and durability. It has high surge current capability, low voltage drop and high temperature rating, making it suitable for a wide range of applications. This series arrester provides excellent protection against lightning and other overvoltage events. It is designed for both indoor and outdoor installations, making it a great choice for any surge protection system.

TGE Specification of D48H9.4 Metal Oxide Arrester Blocks


Type

D48H9.4

Nominal discharge current In kA

10

Suggested rated voltage kV

1.36

Diameter mm

48±1

Height mm

9.4±0.3

AVG Gradient V/mm

220

DC U1mA kV

2.07±0.30

Iref mA

3

Uref kV

1.45

Ures kV

3.58±0.53

8/20uS repetitive charge transfer Qrs C


2ms repetitive charge transfer Qrs C

1.1

2ms duration of rectangular impulse current A

600

4/10µs high current test kA

100

Accelerated ageing test Kct

≤ 1.0

Note:

  • The nouns, parameters and corresponding test methods in this parameter list conform to the standards of IEC60099-4:2014 and GB11032-2020.

  • The rated voltage, power frequency reference current and power frequency reference voltage are reference values.

  • The 2ms square wave tolerance value is based on the declared current/2ms repetitive charge transfer charge Qrs=423, if the actual test waveform 2ms current/2mS repetitive charge transfer charge Qrs is not equal to 423, it should be corrected according to the actual 2ms current waveform and Qrs value.

  • The charging rate of the aging test was 90%.

  • The number of pulses for the high current withstand value is two.




TGE Specification of D48H26.3 Metal Oxide Arrester Blocks


Type

D48H26.3

Nominal discharge current In kA

10

Suggested rated voltage kV

4.71

Diameter mm

48±1

Height mm

26.3±0.3

AVG Gradient V/mm

260

DC U1mA kV

6.84±0.35

Iref mA

3

Uref kV

4.79

Ures kV

11.7±0.62

8/20uS repetitive charge transfer Qrs C

0.4(200-230uS)

2ms repetitive charge transfer Qrs C

1.1

2ms duration of rectangular impulse current A

600

4/10µs high current test kA

100

Accelerated ageing test Kct

≤ 1.0

Note:

  • The nouns, parameters and corresponding test methods in this parameter list conform to the standards of IEC60099-4:2014 and GB11032-2020.

  • The rated voltage, power frequency reference current and power frequency reference voltage are reference values.

  • The 2ms square wave tolerance value is based on the declared current/2ms repetitive charge transfer charge Qrs=423, if the actual test waveform 2ms current/2mS repetitive charge transfer charge Qrs is not equal to 423, it should be corrected according to the actual 2ms current waveform and Qrs value.

  • The charging rate of the aging test was 90%.

  • The number of pulses for the high current withstand value is two.




TGE Specification of D48H32.7 Metal Oxide Arrester Blocks


Type

D48H32.7

Nominal discharge current In kA

10

Suggested rated voltage kV

5.89

Diameter mm

48±1

Height mm

32.7±0.3

AVG Gradient V/mm

260

DC U1mA kV

8.50±0.35

Iref mA

3

Uref kV

5.95

Ures kV

14.54±0.62

8/20uS repetitive charge transfer Qrs C

0.6

2ms repetitive charge transfer Qrs C

1.1

2ms duration of rectangular impulse current A

600

4/10µs high current test kA

100

Accelerated ageing test Kct

≤ 1.0

Note:

  • The nouns, parameters and corresponding test methods in this parameter list conform to the standards of IEC60099-4:2014 and GB11032-2020.

  • The rated voltage, power frequency reference current and power frequency reference voltage are reference values.

  • The 2ms square wave tolerance value is based on the declared current/2ms repetitive charge transfer charge Qrs=423, if the actual test waveform 2ms current/2mS repetitive charge transfer charge Qrs is not equal to 423, it should be corrected according to the actual 2ms current waveform and Qrs value.

  • The charging rate of the aging test was 90%.

  • The number of pulses for the high current withstand value is two.




TGE Specification of D48H34 Metal Oxide Arrester Blocks


Type

D48H34

Nominal discharge current In kA

10

Suggested rated voltage kV

5.39

Diameter mm

48±1

Height mm

34±0.3

AVG Gradient V/mm

230

DC U1mA kV

7.82±0.40

Iref mA

3

Uref kV

5.48

Ures kV

13.53±0.70

8/20uS repetitive charge transfer Qrs C


2ms repetitive charge transfer Qrs C

1.3

2ms duration of rectangular impulse current A

700

4/10µs high current test kA

100

Accelerated ageing test Kct

≤ 1.0

Note:

  • The nouns, parameters and corresponding test methods in this parameter list conform to the standards of IEC60099-4:2014 and GB11032-2020.

  • The rated voltage, power frequency reference current and power frequency reference voltage are reference values.

  • The 2ms square wave tolerance value is based on the declared current/2ms repetitive charge transfer charge Qrs=423, if the actual test waveform 2ms current/2mS repetitive charge transfer charge Qrs is not equal to 423, it should be corrected according to the actual 2ms current waveform and Qrs value.

  • The charging rate of the aging test was 90%.

  • The number of pulses for the high current withstand value is two.




TGE Specification of D48H35.4 Metal Oxide Arrester Blocks


Type

D48H35.4

Nominal discharge current In kA

10

Suggested rated voltage kV

5.37

Diameter mm

48±1

Height mm

35.4±0.3

AVG Gradient V/mm

220

DC U1mA kV

7.79±0.40

Iref mA

3

Uref kV

5.45

Ures kV

13.47±0.70

8/20uS repetitive charge transfer Qrs C


2ms repetitive charge transfer Qrs C

1.3

2ms duration of rectangular impulse current A

700

4/10µs high current test kA

100

Accelerated ageing test Kct

≤ 1.0

Note:

  • The nouns, parameters and corresponding test methods in this parameter list conform to the standards of IEC60099-4:2014 and GB11032-2020.

  • The rated voltage, power frequency reference current and power frequency reference voltage are reference values.

  • The 2ms square wave tolerance value is based on the declared current/2ms repetitive charge transfer charge Qrs=423, if the actual test waveform 2ms current/2mS repetitive charge transfer charge Qrs is not equal to 423, it should be corrected according to the actual 2ms current waveform and Qrs value.

  • The charging rate of the aging test was 90%.

  • The number of pulses for the high current withstand value is two.




Advantages of D48 Series MOV for Line Surge Arrester


Advantages of D48 Series MOV for Line Surge Arrester


The D48 Series MOV for Line Surge Arrester is a reliable and effective solution for protecting electrical systems from damage caused by line surges. These MOV varistor blocks are designed for use in 10-220kV line surge arresters and provide superior protection from over-voltage and over-current events. Their compact size, lightweight design, and long lifespan make them an ideal choice for both commercial and industrial applications. With their performance and reliability, they are an excellent choice for protecting your electrical system. As a reputable metal oxide varistor manufacturer, we ensure that our D48 series MOV block for line surge arrester is designed with the zinc oxide varistor function, providing optimal protection and performance. Our mov disc is a testament to our commitment to quality, offering superior surge protection for your electrical systems.

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