High Quality Al2O3 95% Grit Size Brown Aluminium Oxide

High Quality Al2O3 95% Grit Size Brown Aluminium Oxide

10kV Arresters diameters 28mm 30mm zinc oxide varistors,repetitive charge transfer Qrs (C) is 0.3C,guaranted 2ms test current (A) is 150A,4/10µs high current test (kA)is 65kA. suggested rated voltage (kV)is 3.6kV or 4.5kV

Product Details

Our company adopts advanced technological process and correct technical operation to develop high-quality high gradient, Metal Oxide Varistors, D28 High performance AC metal oxide varistors. We have built an open and superior talent introduction platform and respect the value of talents and market rules. In the future development, we will meet the needs of our customers with rich experience, advanced technology and highly competitive solutions.

10kV Arresters which use diameters 28mm or 30mm zinc oxide varistors.

type D28H23.5 D28H29 D30H23.5 D30H29
AC system AC AC AC AC
suggested rated voltage (kV) 3.6 4.5 3.6 4.5
MCOV (kV) 3.1 3.8 3.1 3.8
diameter (mm) 28±0.7 28±0.7 30±0.7 30±0.7
height (mm) 23.5±0.3 29±0.3 23.5±0.3 29±0.3
DC U1mA (kV) 5.52±0.3 6.82±0.35 5.52±0.3 6.82±0.35
IL at 75% of U1mA
(µA)
≤ 10≤ 10≤ 10≤ 10
Ures (kV) 9.7±0.5 12.0±0.6 9.5±0.5 11.7±0.6
typical Ures / U1mA 1.75 1.75 1.72 1.72
repetitive charge transfer Qrs (C) 0.3 0.3 0.3 0.3
guaranted 2ms test current (A) 150 150 150 150
max 2ms test current (A) 150 150 200 200
4/10µs high current test (kA) 65 65 65 65
nominal discharge current In (kA) 5 5 5 5
accelerated ageing test 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/√2
Kct ≤ 1.0


type D28H23.5 D28H29 D30H23.5 D30H29
AC system AC AC AC AC
suggested rated voltage (kV) 3.6 4.5 3.6 4.5
MCOV (kV) 3.1 3.8 3.1 3.8
diameter (mm) 28±0.7 28±0.7 30±0.7 30±0.7
height (mm) 23.5±0.3 29±0.3 23.5±0.3 29±0.3
DC U1mA (kV) 5.52±0.3 6.82±0.35 5.52±0.3 6.82±0.35
IL at   75% of U1mA
    (µA)
≤ 10≤ 10≤ 10≤ 10
Ures   (kV) 9.7±0.5 12.0±0.6 9.5±0.5 11.7±0.6
typical Ures / U1mA 1.75 1.75 1.72 1.72
repetitive charge transfer Qrs (C)  0.3 0.3 0.3 0.3
guaranted 2ms test current (A) 150 150 150 150
max 2ms test current (A) 150 150 200 200
4/10µs high current test (kA) 65 65 65 65
nominal discharge current In (kA) 5 5 5 5
accelerated ageing test 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/√2
    Kct ≤ 1.0


Always pursuing high quality High Quality Al2O3 95% Grit Size Brown Aluminium Oxide and perfect service with affinity is the most fundamental to realize our lifelong ideal. Our company will give full play to our technical and talent advantages and make due contributions to economic development. We're searching forward for your inquiries.
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