Wortai 11kv 10ka Metal Oxide Varistor MOV Surge Arresters with NEMA Bracket

Wortai 11kv 10ka Metal Oxide Varistor MOV Surge Arresters with NEMA Bracket

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

We endeavor to improve customers' satisfaction with our high gradient varistors size, D28H23.5 metal oxide varistors test, components of metal oxide arrester and services in order to increase the market share of our brand. We have accumulated experience by practice, made our professionalism by experience, and formed scale and authority by professionalism. We are attentive to the diversity of products, and continue to innovate in the development of products to meet the needs of different customers. We will solve all kinds of problems for you with the best product quality, fastest service and professional technical application experience!


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


We continue to introduce and absorb domestic and foreign advanced technology and efficient management models, so that our Wortai 11kv 10ka Metal Oxide Varistor MOV Surge Arresters with NEMA Bracket is continuously optimized. We adhere to the development concept of 'innovation and pursuit of quality', pursue excellence and perfection, and manufacture high-quality products to meet the requirements of users. Our company believe in the coexistence of challenge and innovation, so we will not shrink from setbacks.
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