20ka Surge Protection Device SPD Lightning Arrester Power Lightning Protection

20ka Surge Protection Device SPD Lightning Arrester Power Lightning Protection

Repetitive charge transfer Qrs (C) is 0.5C,guaranted 2ms test current (A) is 400A,4/10µs high current test (kA)is 100kA. suggested rated voltage (kV)is 3.2kV or 5.5kV

Product Details

Through the unremitting efforts of all colleagues in our company, relying on the long-term patronage of new and old customers, our company is growing stronger, the production technology is increasingly mature, the lightning protection system, Metal oxide varistor buyer's guide, high gradient varistors size quality is stable and the price is more advantageous. We continue to strengthen personnel training and corporate culture construction to improve our service level and core competitiveness. The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. We continue to strengthen the good interaction between our partners and make unremitting efforts for the company's stability and sustainable development. Relying on a large number of innovative R&D personnel, we actively cooperate with outstanding colleagues to strengthen the tackling of technical problems.


MOV Blocks diameter from 38mm to 40mm.


AC systemACACACACACAC
typeD38H20.7D38H31D38H34.5D40H20.7D40H31D40H34.5
suggested rated voltage (kV)3.24.95.43.34.95.5
MCOV (kV)2.84.14.62.84.24.6
diameter (mm)38.5±0.738.5±0.738.5±0.740±0.740±0.740±0.7
height (mm)23.5±0.329±0.335±0.323.5±0.329±0.335±0.3
DC U1mA (kV)4.85±0.37.3±0.458.1±0.54.85±0.37.3±0.458.1±0.5
IL at 75% of U1mA(µA)≤ 15≤ 15≤ 15≤ 15≤ 15≤ 15
Ures(kV)8.6±0.512.9±0.814.35±0.88.5±0.512.8±0.814.2±0.8
typical Ures / U1mA1.771.771.771.751.751.75
repetitive charge transfer Qrs (C)0.50.50.50.50.50.5
guaranted 2ms test current (A)400400400400400400
max 2ms test current (A)450450450500500500
4/10µs high current test (kA)100100100100100100
nominal discharge current In (kA)101010101010
accelerated ageing test115℃ 0.9*U1mA/√2
Kct ≤ 1.0
115℃0.9*U1mA/√2
Kct ≤ 1.0
115℃ 0.9*U1mA/√2
Kct ≤ 1.0
115℃ 0.9*U1mA/√2
Kct ≤ 1.0
115℃0.9*U1mA/√ Kct ≤ 1.0115℃0.9*U1mA/√2
Kct ≤ 1.0


MOV Blocks diameter from 38mm to 40mm.

AC systemACACACACACAC
typeD38H20.7D38H31D38H34.5D40H20.7D40H31D40H34.5
suggested rated voltage (kV)3.24.95.43.34.95.5
MCOV (kV)2.84.14.62.84.24.6
diameter (mm)38.5±0.738.5±0.738.5±0.740±0.740±0.740±0.7
height (mm)23.5±0.329±0.335±0.323.5±0.329±0.335±0.3
DC U1mA (kV)4.85±0.37.3±0.458.1±0.54.85±0.37.3±0.458.1±0.5
IL at   75% of            U1mA(µA)≤ 15≤ 15≤ 15≤ 15≤ 15≤ 15
Ures(kV)8.6±0.512.9±0.814.35±0.88.5±0.512.8±0.814.2±0.8
typical Ures / U1mA1.771.771.771.751.751.75
repetitive charge transfer Qrs (C) 0.50.50.50.50.50.5
guaranted 2ms test current (A)400400400400400400
max 2ms test current (A)450450450500500500
4/10µs high current test (kA)100100100100100100
nominal discharge current In (kA)101010101010
accelerated ageing test115℃ 0.9*U1mA/√2
 Kct ≤ 1.0
115℃0.9*U1mA/√2
 Kct ≤ 1.0
115℃ 0.9*U1mA/√2
 Kct ≤ 1.0
115℃ 0.9*U1mA/√2
 Kct ≤ 1.0
115℃0.9*U1mA/√ Kct ≤ 1.0115℃0.9*U1mA/√2
 Kct ≤ 1.0


We are committed to providing quality 20ka Surge Protection Device SPD Lightning Arrester Power Lightning Protection and services through our main business strengths and synergistic development of related industries. We have sufficient human resources and superior infrastructure to provide strong support for business expansion and implementation of global strategies. We focus on the high-quality strategy, adhere to the technology guidance, and actively promote the optimization of the innovation system.
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