| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual Type |
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High-voltage vacuum circuit breakers, with vacuum arc-extinguishing and oil-free design, offer safety, reliability, and strong arc-quenching. They control high-voltage circuits, isolate faults quickly, and are widely used in power systems, industry, and transit, ensuring stable supply with low maintenance.
High-voltage vacuum circuit breakers are key components in power systems. They are high-voltage switching devices that use a high-vacuum environment as the arc-extinguishing medium, with hermetically sealed vacuum interrupters to achieve reliable arc quenching and insulation. They are used to control the on-off of high-voltage circuits and quickly cut off fault currents, and are applied in power plants, substations, and distribution networks to ensure the safe and stable operation of the power grid.
| Item | Units | Parameters | ||
| Rated voltage | KV | 12 | ||
| Rated current | A | 630-3150 | ||
| Rated short- circuit breaking current | KA | 20 | 31.5 | 40 |
| Rated short- circuit closing current | KA | 50 | 80 | 100 |
| Rated dynamic steady electric current(peak) | KA | 50 | 80 | 100 |
| Rated thermal stability current(RMS) | KA | 20 | 31.5 | 40 |
| Rated thermal stability time | S | 4 | ||
| The breaking times of rated short circuit breaking current | Times | 30 (50) | ||
| Open time of CD10 electromagnetic operating mechanism | mS | < 80 | ||
| Rated operating sequence | O-0.3s-CO- 180s-CO | |||
| A minute power frequency withstand voltage(RMS) | KV | The phase 42, section 48 | ||
| Lightning shock pressure | KV | The phase 75, section 85 | ||
| Mechanical life | Times | 10000 | ||
| Note: 20KA,31.5KA t=0.3s t 1= 180s 40KA t=180s t 1= 180s. | ||||
Normal package, Standard export wooden crate, Or based on your demands.
Q: Can we get a sample for reference?
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