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The GW4-40.5 series outdoor high voltage disconnector switch is designed to open and close high voltage circuits in rated voltage 40.5kV, AC 50/60Hz systems. The anti-pollution type is especially suitable for serious pollution areas.
It strictly accords with the standards of IEC62271-102: High voltage AC disconnector switch.
Normal Operation Conditions:
Other environment warnings: No conductivity dust, no explosive danger or fire, no violent vibration or striking, and no insulation objects with devastating metal or corrosive gases.
| No | Items | Unit | Technical Parameter | ||
|---|---|---|---|---|---|
| 1 | Rated Voltage | kV | 40.5 | 72.5 | 126 / 525 |
| 2 | Nominal system voltage | kV | 35 | 66 | 110 / 220 |
| 3 | Rated current | A | 630; 1250; 1600; 2000; 2500; 3150; 4000 | ||
| 4 | Rated Short Time withstand current and Time | kA/s | 25~50 / 4 | ||
| 5 | Rated Peak withstand current | kA | 63~125 | ||
| 6 | 1min power frequency withstand voltage (effective value) | kV |
To earth: 140 / 230 / 460 To phase: 140 / 2300 / 460 Across Isolating DS: 180 / 230+70 / 460+145 |
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| 7 | Lightning Impulse withstand voltage (peak value) | kV |
To earth: 325 / 550 / 1050 To phase: 325 / 500 / 1050 Across Isolating DS: 385 / 550+100 / 1050+150 |
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| 8 | Rated mechanical terminal load | N |
Level of lateral load: 750 / 1500 / 2000 Level of vertical load: 500 / 1000 / 1500 Vertical: 750 / 1000 / 1250 |
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| 9 | The min distance of insulation against ground | mm | 600 / 1000 / 2000 | ||
| 10 | Max Man Operative Moment | N.m | 200 | ||
| 11 | Motor Drive operating mechanism control voltage | V | AC220,380; DC110,220 | ||
| 12 | Motor Drive operating mechanism motor voltage | V | AC220,380; DC110,220 | ||
