The D48 Series MOV for Distribution Arrester is a reliable, high-performance surge protection solution for 10kV heavy-load distribution systems. It comes with a variety of features, such as a high-quality MOV block, a superior insulation system, a large impulse withstand capacity, and an advanced safety system. The product, zinc oxide blocks, has been tested and certified to meet the most stringent safety and performance standards, so you can be sure that your system is protected. With the D48 Series MOV, you can be sure that your system is safe and secure.
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.
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.
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.
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.
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.
As a trusted metal oxide varistor manufacturer, we firmly believe the D48 Series MOV for Distribution Arrester has numerous advantages, including its large capacity, high voltage rating, lightning protection, and fire prevention. It also has a low temperature coefficient, good aging resistance, and excellent insulation performance. Furthermore, it features high reliability, small size, light weight, easy installation, and low cost. Additionally, the oxide varistors are environmentally friendly and is equipped with a built-in Thermal-cutoff function. Finally, it has a long service life and is resistant to corrosion.
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