Lightning Arrester ZnO Blocks Varistor is the core of the arrester/lightning arrester,which main component is Zinc Oxide and with as mall quantity of bismuth oxide,fluoride oxide,manganous carbonate, antimony oxide and other gleam of additive and made with high temperature.
|
Model |
Size |
Reference voltage at 1mA D.C KV |
Max Leakage current at 0.75U1mA (μA)≤ |
Max. ratio of residual voltage(8/20μs) to Reference voltage (1mA D.C) |
Current impulse withstand capability |
Aging coefficient |
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|
Outer diameter mm |
Inner diametermm |
Height mm |
5kA ≤ |
10kA ≤ |
20kA ≤ |
2ms A
|
4/10μs kA |
Chargeability % |
Kct≤ |
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|
D3 |
28±0.7 |
24±0.5 |
4.6-5.5 |
5 |
1.85 |
100 |
55 |
85 |
1.0 |
|||
|
30±0.7 |
24±0.5 |
4.6-5.5 |
5 |
1.83 |
120 |
60 |
85 |
1.0 |
||||
|
31±0.7 |
24±0.5 |
4.6-5.5 |
5 |
1.82 |
150 |
65 |
85 |
1.0 |
||||
|
32±0.7 |
24±0.5 |
4.6-5.5 |
5 |
1.81 |
180 |
65 |
85 |
1.0 |
||||
|
35±0.7 |
24±0.5 |
4.6-5.5 |
8 |
1.80 |
200 |
65 |
85 |
1.0 |
||||
|
38±0.7 |
24±0.5 |
4.6-5.5 |
10 |
1.76 |
300 |
80 |
85 |
1.0 |
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|
D4 |
42±0.7 |
24±0.5 |
4.6-5.5 |
10 |
1.72 |
1.84 |
400 |
100 |
90 |
1.0 |
||
|
46±0.7 |
24±0.5 |
4.6-5.5 |
15 |
1.68 |
1.79 |
500 |
100 |
90 |
1.0 |
|||
|
D5 |
52±0.7 |
24±0.5 |
4.6-5.5 |
15 |
1.63 |
1.77 |
600 |
100 |
90 |
1.0 |
||
|
56±0.7 |
24±0.5 |
4.6-5.5 |
15 |
1.59 |
1.73 |
700 |
100 |
90 |
1.0 |
|||
|
58±0.7 |
24±0.5 |
4.6-5.5 |
15 |
1.56 |
1.71 |
800 |
100 |
90 |
1.0 |
|||
|
D6 |
61±0.7 |
24±0.5 |
4.6-5.5 |
15 |
1.72 |
900 |
100 |
90 |
1.0 |
|||
|
D7 |
71±1.0 |
22.5±0.5 |
4.0-5.0 |
15 |
1.67 |
1000 |
100 |
90 |
1.0 |
|||
|
D8 |
88±1.0 |
22.5±0.5 |
4.0-5.0 |
15 |
1.64 |
1.76 |
1500 |
100 |
90 |
1.0 |
||
|
105±1.0 |
22.5±0.5 |
4.0-5.0 |
15 |
1.60 |
1.74 |
2000 |
100 |
90 |
1.0 |
|||
|
115±1.0 |
22±0.5 |
4.0-5.0 |
30 |
1.59 |
1.73 |
2500 |
100 |
90 |
1.0 |
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