vacuum circuit breaker VS1-12 side installation high voltage fixed type
| Min. Order: | 1 Set/Sets |
|---|---|
| Trade Term: | FOB,EXW |
| Payment Terms: | L/C, T/T, WU |
| Supply Ability: | 300 Set/Sets per Month |
| Place of Origin: | Zhejiang |
Company Profile
| Location: | Wenzhou, Zhejiang, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
Product Detail
| Model No.: | VCB |
|---|---|
| Means of Transport: | Ocean, Air, Land |
| VCB: | Vacuum circuit breaker |
| circuit breaker: | indoor VCB |
| Production Capacity: | 300 Set/Sets per Month |
| Packing: | 1)1 plastic bag/set,1 wooden case/set 2)Special package required by clients |
| Delivery Date: | 15-20 days upon receipt of deposit |
Product Description
Introduction :
VS1 -12Series type indoor high voltage vacuum circuit breaker is rated voltage 12kV, three-phase AC 50Hz Indoor high-voltage switchgear ,apply for power stations, substations, and industrial and mining enterprises to control or protection transmission and distribution systems , specially for the important high altitude breaking load and frequent operation place.
Circuit breaker manufacturing accordance with our national standard GB1984-2003
Circuit breaker operating mechanism for the spring energy storage type, can use AC and DC energy storage operations, can also be used manually.
Circuit breaker can be equipped with long life permanent magnetic actuator, mechanical life can reached 60000 times ,can be used for extremely Frequent operation place,
Circuit breaker designed to repackage the structure before and after, both can be used as a fixed installation unit, Can also be equipped with the chassis as used in the mounted unit.
The use of environmental conditions:
1.Ambient temperature: not higher than +40 °C, not less than -15°C
2. Altitude: not exceed 1000m.
3. Relative humidity: daily average of not more than 95%, month average of not more than 90%.
4. Earthquake intensity: not more than ten.
5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.
| Mainly technical parameters | |||
| NO | Item | Units | parameters |
| 1 | Rated voltage | KV | 12 |
| 2 | Rated Frequency | HZ | 50 |
| 3 | Rated Current | A | 630.1250 |
| 4 | Rated short-circuit breaking current | KA | 20 25 31.5 |
| 5 | Rated short-circuit closing current (peak) | KA | 50 63 80 |
| 6 | Rated short-circuit duration | S | 4 |
| 7 | Rated short-circuit breaking current breaking number | nos | 50s |
| 8 | Rated operating sequence | 0-0.3s-CO-180s-CO | |
| 9 | Rated lightning impulse withstand voltage | kv | 125 |
| 10 | 1min power frequency withstand voltage | KV | 65 |
| 11 | Closing time | ms | ≤ 100 |
| 12 | opening time | ms | ≤ 50 |
| 13 | Mechanical life | Times | 20000 |
| 14 | Rated Storage and operation voltage | V | AC DC 220/110 |
| 15 | Breaking life | ms | ≤ 80 |
| 16 | Storage life | s | ≤ 10 |
| Adjust the parameters of mechanical properties: | |||
| No | Item | Unit | Parameters |
| 1 | Contact distance | mm | 10±1.5 |
| 2 | Contact Over-travel | mm | 3.5±0.5 |
| 3 | Closing speed | m/s | 0.5-0.9 |
| 4 | Opening speed | m/s | 0.9-1.5 |
| 5 | Contact closing spring time | ms | ≤2 |
| 6 | Rated contact pressure | N | 20KA(2400±200) 25KA (2400±200) 31.5KA(3100±200) |
| 7 | Three phase closing opening asynchrony | ms | ≤2 |
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