Outdoor Substation Rated Voltage 21kv 5ka 10ka Station Class Surge Arrestor

Outdoor Substation Rated Voltage 21kv 5ka 10ka Station Class Surge Arrestor

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

Since our company has been engaged in the research and development of D30 High Performance MOVS size, surge protection devices, D28 High performance AC metal oxide varistors test for many years, we have accumulated a lot of experience to facilitate users to choose high-quality products. Our company has made full use of the advantages of regional professional clusters, vigorously carried out scientific and technological innovation, and rapidly developed and expanded. We have the well-equipped machine, advanced technology, and strict quality management system. Our professional team is eager to grow together with you, and look forward to cooperating with you in the near future. Our company pays attention to the product quality and service, realistic and honest is our company's service tenet. The goal of striving for the first class shows the eternal pursuit of all our staffs who are determined to go beyond.


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


Through high quality Outdoor Substation Rated Voltage 21kv 5ka 10ka Station Class Surge Arrestor, perfect services, reasonable prices and professional solutions, we bring real value to users in various fields. Our business philosophy is to grow together with Chinese and foreign customers to achieve sustainable operation. International marketing is one of the most important business activities of multinational banks and the key step to realize profits.
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