Abrasive White Fused Aluminum Oxide for Polishing

Abrasive White Fused Aluminum Oxide for Polishing

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

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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


As one of the market leaders of Abrasive White Fused Aluminum Oxide for Polishing, we face the competition and challenges of international and local counterparts, but always have a higher market share than other competitors for our advantages. We adhere to the management philosophy of people-oriented, realistic and innovative, honesty first, and customer first. And a complete sales network has been initially formed in various places, which can provide users with high-quality products and good after-sales service in a timely manner. We firmly take the road of rapid, coordinated, sustainable and healthy development.
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