Metal Oxide Varistor For Lightning Arrester
Specifications
Metal Oxide Varistor For Lightning Arrester1.Diameter:35mm
2.Height:3-31mm
3.Volatage:0.7-6.8KV
4.Usage;usde arrester
Metal Oxide Varistor is the core of the arrester.
Metal Oxide Varistor is the core of the arrester, which main component is Zinc Oxide and with a small quantity of bismuth Oxide, fluoride oxide, manganous carbonate, antimony oxide and other gleam of additive and made with high temperature.
As zinc oxide varistor has a good voltage-ampere (Non-linearity) characteristic, hence the zinc oxide varistor is a very important components applied to surge arrester
Specification |
|
MOV32×25 |
MOV32×31 |
MOV35×3 |
MOV35×6 |
MOV35×21 |
|
Diameter |
mm |
32±1 |
32±1 |
35±1 |
35±1 |
35±1 |
|
Thickness |
mm |
25±1 |
31±1 |
3±1 |
6±1 |
21±1 |
|
D.C. reference voltage (U1mA) |
kV |
5.6±0.3 |
6.8±0.3 |
0.7±0.1 |
1.4±0.2 |
4.6±0.3 |
|
Leakage current under 75%U1mA |
uA |
<10 |
<10 |
<10 |
<10 |
<10 |
|
Max. ratio of residual voltage (8/20us) |
|
1.80 @5kA |
1.80 @5kA |
1.83 @1.5kA |
1.83 @1.5kA |
1.78 @5kA |
|
Current impulse withstand capability |
4/10us |
kA |
65 |
65 |
10 |
10 |
65 |
2ms |
A |
120 |
120 |
100 |
100 |
150 |
|
Recommended rated voltage |
kV |
3.8 |
4.5 |
0.28 |
0.50 |
3.0 |
|
Recommended continuous operating voltage |
kV |
3.0 |
3.6 |
0.22 |
0.40 |
2.4 |
|
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