Complaint
1 Summarize
VS1 type indoor high voltage vacuum circuit breaker is one kind of three-phase AC 50Hz, rated voltage is 7.2-12 kv, indoor high voltage switch equipment. The circuit breaker meets the national standard of Chinese, GB1984-2003 <ac high-voltage circuit breaker>, JB 3855-1996 <3.6-40.5kv indoor high-voltage vacuum breaker>, DI403-91 < 10-35kv indoor high-voltage vacuum circuit breaker ordering technical conditions >and related IEC60694, IEC6227-100 standard requirements which with reliable interlocking function.
VS1 type indoor high voltage vacuum circuit breaker can be operated frequently, with the ability of multiple breaking and quick reclosing.
The VS1 type indoor high-voltage vacuum circuit breaker is designed with front and rear sub-assembly structure, which can be used for fixed installation cells as well as equipped with a separate hand cart with a chassis.
| Rated Voltage | 12Kv | |||||
| Rated Frequency | 50Hz | |||||
| Rated lightning impulse test voltage/fracture | 75/85kV(peak) | |||||
| Rated at 1 min, withstand voltage/fracture |
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| O-t-CO-t'-CO | |||||
| Model | Rated Current(kA) | Rated short circuit breaking current (kA) |
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| VS1-12 | 630 1250 | 20/25 | 50/63 | 4 | 100 | 10000 |
| 1250 1600 2000 2500 | 31.5 | 80 | 4 | 50 | 10000 | |
| 1250 1600 2000 2500 3150 | 40 | 100 | 4 | 30 | 10000 | |
| Model | Items | Unit | Data | ||||
| 1 | Contact distance | mm | 11±1 | ||||
| 2 | Overtravel | 3.5±0.5 | |||||
| 3 | The characteric of three phase opening and closing at different period | ms | ≤2 | ||||
| 4 | Closing contact jumping time | Ms | ≤2 | ||||
| 5 | Closing contact contact pressure | N | 20kA | 25 kA | 31.4 kA | 40 kA | |
| 2000± 200 | 2400 ±200 | 3100± 200 | 4750± 250 | ||||
| 6 | Average Closing speed | m/s | 0.9-1.2 | ||||
| 7 | Average Opening speed | 05-0.8 | |||||
| Item | Power VA | |
| Opening trip TQ | 368 | 220/110 |
| Closing trip HQ | 368 | |
| Interlock trip Y1 | 4.8 | |
| Overcurrent trip 7(Y8 Y9) | - | - |
| Rated Voltage V | Power W | Storage time S | Applicable current Level kA |
| 220/110 | 70 | ≤10 | 20 25 31.5 |
| 220/110 | 100 | ≤10 | 40 |
