Metal Preparation Abrasive Media Brown Fused Alumina Oxide/Bfa

Metal Preparation Abrasive Media Brown Fused Alumina Oxide/Bfa

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 a manufacturer and service provider in the Metal Preparation Abrasive Media Brown Fused Alumina Oxide/Bfa industry, we will continue to work hard to provide the market with first-class technology and services. We continue to research and develop technology, upgrade product quality, optimize service quality, and continue to create maximum benefit value for customers. We have accomplished our preliminary goals in terms of professional equipment, intelligent management, and talent reserve, and we will keep working hard to make our company continue to grow healthily.
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