| Customization: | Available |
|---|---|
| Certification: | ISO9001, CPRI |
| Protection: | Corrosion Resistance |
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| Main Technical Data | ||
| Rated voltage | kv | 12 |
| Rated current | A | 1250/1600 |
| Rated frequency | Hz | 50 |
| Rated short-circuit breaking current | kA | 31.5 |
| Rated short-time withstand and current(4s) | kA | 31.5 |
| Rated single capacitor bank breaking current | A | 630 |
| Short-time(1min) power-frequency withstand voltage | kv | 48 |
| Rated lighting impulse withstand voltage(peak) | kv | 85 |
| Machanical life | times | 30000 |
| Contact closing force due to bellows and atmosphere | N | 120±50 |
| Counterforce at rated contact stroke | N | 190±60 |
| Circuit resistance at rated contact force | μΩ | ≤20 |
| Shelf life | years | 20 |
| Contact erosion limit | mm | 3 |
| Mechanical Data Required For Matched Vacuum Switchgear | ||
| Rated contact stroke | mm | 9±1 |
| Average opening speed | m/s | 1.0±0.25 |
| Average closing speed | m/s | 0.65±0.15 |
| Added contact force | N | 3150±200 |
| Contact bouncing duration at closing operation | ms | ≤2 |
| Contact bouncing bank amplitude of opening operation | mm | ≤2 |
| Three-pole simultaneity | ms | ≤1 |
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