Standards: IEC 60099-4
The ambient air themperatures is no higher than +40° C, no lower than-40° C.
The altitude above sea level dose not exceed 2000m.
AC system frequency is 50Hz or 60Hz.
AC voltage brought to bear on arrester for a long time dose not exceed arrester's continuous operating voltage.
Maximum wind speed dose not exceed 35m/s.
The earthquake intensity dose not exceed 7 degrees.
| Manufacturer' s Name |
Zhejiangzhongneng electrical coo., ltd |
| Origin of Country |
Chhina |
| Model No |
YH5WT-42/120 |
| Technical Standard |
IEC 60099-4 |
| Rated voltage: |
42KV |
| Nominal System voltage: |
35KV |
| Maximun Continuous Operating Voltage (mcov) |
23KV |
| Steep wave impulse residual voltage: |
154KV |
| 8/20µ s Lightning impulse residual voltage |
134KV |
| Switching impulse residual voltage |
114KV |
| 2ms Rectangular current impulse withstand |
400A |
| 4/10µ s High current impulse withstand |
65A |
| Creepage distance |
1175MM |
| Line discharge class |
Class 1 |
| Energy Absorption |
8.5KJ/KV |
Audited Supplier 
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