Everything else / Bulk
D70 Series MOV Block for Line Surge Arrester
|
Type |
D70H9.4 |
Nominal discharge current In kA |
10 |
Suggested rated voltage kV |
1.4 |
Diameter mm |
70±1 |
Height mm |
9.4±0.3 |
AVG Gradient V/mm |
220 |
DC U1mA kV |
2.07±0.30 |
Iref mA |
5 |
Uref kV |
1.46 |
Ures kV |
3.41±0.50 |
8/20uS repetitive charge transfer Qrs C |
|
2ms repetitive charge transfer Qrs C |
3 |
2ms duration of rectangular impulse current A |
1500 |
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 D70 Series MOV for Line Surge Arrester
The D70 Series MOV for Line Surge Arrester provides excellent protection from line surges and other transient over-voltages. It is designed for 500kV line surge arresters for superior performance, reliability, and longevity. It features low power loss, high energy absorption capacity, fast response time, and long service life. It is also cost-effective and provides superior protection against line surges and over-voltage events. As a premier zinc oxide varistor manufacturer, we ensure our D70 series MOV block for line surge arrester incorporates the metal oxide varistor mov function, providing optimal protection and performance. Our zno blocks are designed to offer superior surge protection, making them a cost-effective solution for safeguarding your electrical systems against line surges and over-voltage events.
For more information about metal oxide varistor working principle and how metal oxide varistor works, please feel free to contact us!
If you are looking for a reliable metal oxide varistor manufacturer, don't hesitate to contact us!
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