| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Energy-storage Type |
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| Main Technical Data | |
| Rated Voltage | 40.5KV |
| Rated Current | 1600/2000A |
| Rated Frequency | 50Hz |
| Rated Short-time power frequency withstand voltage(1min) | 95kV |
| Rated Lighting impulse withstand voltage | 185kv |
| Rated short-time withstand current | 25/31.5KA |
| Rated peak withstand current | 80kA |
| Rated short-circuit making current | 80kA |
| Rated shirt-circuit breking current | 25/31.5KA |
| Breaking operations of rated short circuit breaking current | 30times |
| Rated back-to-back cap acitor breaking current | 400A |
| Rated sigle capacitor bank breaking current | 630A |
| Mechanica life | 10000times |
| Contact closing force due to bellows and atmosphere | 250±60N |
| Counterforce at rated contact stroke | 340±60N |
| Circuit resistance at rated contact force | ≤20μΩ |
| Shelf life | 20 years |
| Contact erosion limit | 3mm |
| Part Discharge | ≤2pC |
| Rated Operating Sequence | O-0.3s-CO-180s-CO |
| Mechanical Data Required for matched vacuum switchgear | |
| Rated contact stroke | 18±2mm |
| Average opening speed | 1.7±0.2mm |
| Average closing speed | 0.8±0.2m/s |
| Average closing speed | 0.8±0.2m/s |
| Added contact force | 3000±200N |
| Contact bouncing duration at closing operation | ≤3ms |
| Out of simultaneity of contact closing and opening | ≤1ms |
| Max.overtravel | ≤2mm |
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