ZnO Varistor, Block
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Quick Details
Product Details
Application
1. Arrester use under oil-immersed transformer
2. GIS arrester
3. Railway arrester (DC substation use, mount on rolling stock)
4. Polymeric and Porcelain surge arrester
5. Cable sheath protection arrester
6. Low voltage surge absorber
Major Ratings
| Application for IEC Standard |
Recom-mnded UR(kVrms) |
Model | Dimensions (mm) |
Range of critical operating voltage V1mA-DC,kV-DC |
Max. residual voltage ration (VX kV/V1mA)(at 8/20 μ s) |
Current withstand capability |
||
| 4/10ms(kV) | 2ms(A) | |||||||
| Distribution 5kA |
3 | ZV0030-0020-32 | 21±1.0 | 4.55-5.40 | 1.78( at5kV) | 65 | 100 | |
| 4.5 | ZV0045-0030-32 | 31±1.0 | 6.80-8.10 | 1.78( at5kV) | 65 | 100 | ||
| 6 | ZV0060-0040-32 | 41±1.0 | 9.10-10.80 | 1.78( at5kV) | 65 | 100 | ||
| Distribution & Class 1 10kA |
3 | ZV0030-0020-42 | 21±1.0 | 4.55-5.40 | 1.83(at10kV) | 100 | 400 | |
| 4.5 | ZV0045-0030-42 | 31±1.0 | 6.80-8.10 | 1.83(at10kV) | 100 | 400 | ||
| 6 | ZV0060-0040-42 | 41±1.0 | 9.10-10.80 | 1.83(at10kV) | 100 | 400 | ||
| Class 2 10kA |
1.5 | ZV0015-0012-52 | 12±1.0 | 2.10-2.40 | 1.79(at10kV) | 100 | 600 | |
| 3 | ZV0030-0023-52 | 24±1.0 | 4.18-4.82 | 1.79(at10kV) | 100 | 600 | ||
| 5 | ZV0050-0038-52 | 41±1.0 | 6.97-8.03 | 1.79(at10kV) | 100 | 600 | ||
| Class 3 10kA |
1.5 | ZV0015-0012-62 | 12±1.0 | 2.10-2.40 | 1.69(at10kV) | 100 | 1000 | |
| 3 | ZV0030-0023-62 | 24±1.0 | 4.18-4.82 | 1.69(at10kV) | 100 | 1000 | ||
| 6 | ZV0060-0045-62 | 45±1.0 | 6.97-8.03 | 1.69(at10kV) | 100 | 1000 | ||
| Class4 10kA |
3 | ZV0030-0023-75 | 24±1.0 | 4.18-4.82 | 1.78(at20kV) | 100 | 1300 | |
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