| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual Type |
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Siemen-s vacuum interrupters use advanced design technology and production processes to provide customers with unlimited reliable performance.
It can be used in any field of application - even extremely destructive high-current applications, such as generator equipment. There are more than 3 million vacuum interrupters and 680,000 vacuum circuit breakers in use worldwide.
| Electrical Data | ||
| Rated voltage, 50/60 Hz | 12 | kV |
| Rated normal current | 1250 | A |
| Rated short-circuit breaking current, symm. | 25 | kA |
| Max. DC-component | 50/36 | % |
| Rated short-circuit making current | 63 | kA |
| Rated peak withstand current | 63 | kA |
| Rated short-time withstand current, 4s | 25 | kA |
| Capacitive switching acc. to IEC62271-100 | ||
| Rated Insulation Level | ||
| Rated power-frequency withstand voltage | 42 | kV |
| Rated lightning impulse withstand voltage | 75 | kV |
| Thermal Data | ||
| Resistance at min. closing force (new cond.) | ≤ 15 | μΩ |
| Max. permitted temperature at movable stem (terminal) | 120 | ºC |
| Electrical Life | ||
| With rated normal current | 30,000 | time |
| With short-circuit current | 30 | time |
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