Electrical Distribution System Moa/ 10ka Gapless Surge Arrester up to 500kv

Electrical Distribution System Moa/ 10ka Gapless Surge Arrester up to 500kv

MOV blocks for DC arresters, including diameter 71mm,78mm and 99mm.Guaranted 2ms test current D71 is 1500A,D78 is 2000A,D99 is 2500A.repetitive charge transfer Qrs D71 is 3.2C, D78 is 4C, D99 is 6C.

Product Details

Our company is constantly improving Nominal Discharge Current 2.5kA MOVs, MOV ZnO block Metal Oxide Varistors, high gradient varistors size productivity to provide a source of power for accelerating the transformation of economic growth mode. Our products are widely used in many fields. We believe that our efforts will certainly meet your requirements, sincerely hope that the majority of users come to negotiate and cooperate. Really should any of those items be of interest to you, please let us know.


MOV blocks for DC arresters, including diameter 71mm,78mm and 99mm.


DC systemDCDCDC
typeD71H35.4D78H35.4D99H21.4
diameter (mm)70.5±178±199±1.2
height (mm)35.4±0.335.4±0.321.4±0.3
DC U1mA (kV)7.8±0.57.8±0.54.7±0.35
IL at 75% of U1mA
(µA)
≤ 20≤ 20≤ 20
Ures (kV)12.65±0.812.45±0.87.85±0.5
typical Ures / U1mA1.591.581.54
repetitive charge transfer Qrs (C)3.246
guaranted 2ms test current (A)150020002500
max 2ms test current (A)160021003000
4/10µs high current test (kA)100100100
nominal discharge current In (kA)202020
accelerated ageing test115℃ 0.85U1mA/√2 Kct ≤ 1.0


DC   systemDCDCDC
typeD71H35.4D78H35.4D99H21.4
diameter (mm)70.5±178±199±1.2
height (mm)35.4±0.335.4±0.321.4±0.3
DC U1mA (kV)7.8±0.57.8±0.54.7±0.35
IL at   75% of U1mA
    (µA)
≤ 20≤ 20≤ 20
Ures   (kV)12.65±0.812.45±0.87.85±0.5
typical Ures / U1mA1.591.581.54
repetitive charge transfer Qrs (C) 3.246
guaranted 2ms test current (A)150020002500
max 2ms test current (A)160021003000
4/10µs high current test (kA)100100100
nominal discharge current In (kA)202020
accelerated ageing test115℃ 0.85U1mA/√2  Kct ≤ 1.0


'Truth and honesty' is our management ideal for Electrical Distribution System Moa/ 10ka Gapless Surge Arrester up to 500kv. We recognize the need to have a strong ability to govern the enterprise, to be able to grasp the laws of the market economy and enterprise development, in order to lay a good foundation for long-term development. With a professional R&D team, we can provide customized services with the most professional quality and never stop meeting the highest industry standards.
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