| Customization: | Available |
|---|---|
| Type: | Switches |
| Structure: | Double-column Disconnector |
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Outdoor 3 Phase 3 pole double-side breaking Disconnector Switch(DS) 110KV 2500A
| Item | PERORMANCE AND DESIGN CRITERIA | UNIT | DATE |
| GENERAL DATE | |||
| 1 | model | GW7-145 | |
| 2 | Manufacturer | Boerstn Electric | |
| 3 | Installation | outdoor | |
| 4 | phase No. | 3 | |
| 5 | columns per each phase | 3 | |
| 6 | Type of operation | Three Pole operating | |
| 7 | Opening method | double side opening | |
| 8 | Earthing switch | Integrated | |
| 9 | Minimum ambient temperature | C | 5 |
| 10 | Maximum ambient temperature | C | 50 |
| 11 | Maximum wind speed | m/s | 45 |
| 12 | Altitude above sea level | m | 1000 |
| 13 | Applicable standard | IEC | |
| 14 | Max. voltage | KV | 145 |
| 15 | rated voltage | KV | 110 |
| 16 | Rated lightning impulse withstand voltage (peak) | KV | 650 |
| 17 | Rated power frequency withstand voltage | KV | 275 |
| 18 | Rated frequency | Hz | 50,or 60 |
| 19 | Rated normal current | A | 2500 |
| 20 | Rated short-circuit | KA | 31.5 |
| 21 | Rated duration of sort-circuit current | s | 1 |
| 22 | Type of insulator | Brown porcelain | |
| 23 | Creepage distance | mm/K | 25 |
| 24 | Type of Operating mechanism | Engine operated | |
| 25 | Motor and operating voltage | VDC | 110 |
| 26 | Heating element an lighting circuits | VAC | 230 |
| 27 | Number of auxiliary contacts | 8NO+8NC |
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