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Product Details:
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| Material: | Metal-oxide | Type: | Gapless For Transformer Neutral Point |
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| Usage: | Indoor / Outdoor | Color: | Red/ Grey/ Customer Specified |
| Nominal System Voltage: | 27.5kV | Nominal Discharge Current: | 5kA |
| High Light: | DC lightning arrester box,Anti Corrosion lightning arrester box,anti aging surge arrester box |
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D.C. Surge Arrester Cubicle
Product introduction:
Normally there are 2 kinds of DC SA for railway system:
1/ 750V, Ur=1.0kV, 8/20μs residual voltage at 20kA: 2.4kV;
2/ 1500V, Ur=2.0kV, 8/20μs residual voltage at 20kA: 4.8kV.
| Item | Description | Offered | Offered | Offered | |
| 1 | Manufacture/ Country of Origin | Xi'an Shendian/ China | |||
| 2 | Model | Y5WT-42/105 | Y5WT-42/110 | Y5WT-42/120 | |
| 3 | Applicable standard | IEC 60099-4 | IEC 60099-4 | IEC 60099-4 | |
| 4 | Type | Outdoor, ZnO, gapless | |||
| 5 | Norminal voltage of system | kV | 27.5 | 27.5 | 27.5 |
| 6 | Earthing system | Effectively earthed | |||
| 7 | Rated frequency | Hz | 50/60 | 50/60 | 50/60 |
| 8 | Rated voltage of SA | kV | 42 | 42 | 42 |
| 9 | Maximum continuous operating voltage | kV | 31.5 | 31.5 | 34 |
| 10 | Power frequency reference voltage | kV | 58 | 60 | 65 |
| 11 | - at reference current of Note: State peak value or rms. |
mA (D.C) | 1 | 1 | 1 |
| 12 | Nominal discharge current | kA | 5 | 5 | 5 |
| 13 | (a) Lightning impulse | kV | ≤105 | ≤110 | ≤120 |
| (b) Steeping impulse | kV | ≤118 | ≤127 | ≤138 | |
| (c) Switching impulse | kV | ≤89 | ≤94 | ≤98 | |
| 14 | Material employed in series non-linear resistor | ZnO etc. | ZnO etc. | ZnO etc. | |
| 15 | - Material | Brown Porcelain | Brown Porcelain | Brown Porcelain | |
| - Minimum creepage distance | mm/kV | 25/31 | 25/31 | 25/31 | |
| 16 | - HV terminal | hot zip screw | hot zip screw | hot zip screw | |
| - earth terminal | hot zip screw | hot zip screw | hot zip screw | ||
| 17 | Diameter of bushing sheds | mm | 232 | 232 | 232 |
| 18 | Height | mm | 995 | 995 | 995 |
Contact Person: Mr. xue feng
Tel: +86 13709223751
