The D45 Series MOV for Distribution Arrester is a reliable, cost-efficient surge protection device designed to protect electrical and electronic equipment from surge-induced transient over-voltage. This series of metal oxide varistors are specifically designed for use in 10kV heavy load surge arresters, and provide reliable protection against high-energy transient surges. The MOVs are designed to be robust and long-lasting, and feature a high-temperature rated case and a wide operating temperature range to ensure the highest levels of performance and safety.
Type | D45H20 |
Nominal discharge current In kA | 10 |
Suggested rated voltage kV | 3.07 |
Diameter mm | 45±1 |
Height mm | 20±0.3 |
AVG Gradient V/mm | 230 |
DC U1mA kV | 4.60±0.30 |
Iref mA | 3 |
Uref kV | 3.25 |
Ures kV | 8.05±0.53 |
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 | D45H30 |
Nominal discharge current In kA | 10 |
Suggested rated voltage kV | 4.64 |
Diameter mm | 45±1 |
Height mm | 30±0.3 |
AVG Gradient V/mm | 230 |
DC U1mA kV | 6.90±0.35 |
Iref mA | 3 |
Uref kV | 4.88 |
Ures kV | 12.01±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 | D45H26.3 |
Nominal discharge current In kA | 10 |
Suggested rated voltage kV | 4.6 |
Diameter mm | 45±1 |
Height mm | 26.3±0.3 |
AVG Gradient V/mm | 260 |
DC U1mA kV | 6.84±0.35 |
Iref mA | 3 |
Uref kV | 4.84 |
Ures kV | 11.76±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 | D45H32.7 |
Nominal discharge current In kA | 10 |
Suggested rated voltage kV | 5.73 |
Diameter mm | 45±1 |
Height mm | 32.7±0.3 |
AVG Gradient V/mm | 260 |
DC U1mA kV | 8.50±0.40 |
Iref mA | 3 |
Uref kV | 6.01 |
Ures kV | 14.62±0.70 |
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.
High-quality metal oxide varistors (MOV) provide superior surge current capability and low leakage current.
Easy to install with compact design for minimal space requirements.
Low temperature coefficient and high energy absorption capability.
Excellent thermal stability and dynamic stability.
Low losses and low inductance.
Superior electrical performance with excellent surge protection capability.
As a leading metal oxide varistor manufacturer, we ensure our D45 series MOV block for distribution arrester meets all the above specifications and more. Understanding the zinc oxide varistor function, we have incorporated it into our mov disc and zov mov products, ensuring optimal performance and longevity.
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