- Rated voltage:12KV
- maximum working voltage:630KV
- rated current:1250A
- Rated short circuit breaking current:20KA
- Type:Vacuum
- Poles Number:3
- Place of Origin:CN;ZHE
- Brand Name:CNYUFENG
- Model Number:ZN63(VS1)-12
parts of VCB vacuum circuit breaker details listed as belows:
1.Ambient temperature: not higher than +40 °C, not less than -40°C
2. Altitude: not exceed 2000m.
3. Relative humidity: daily average of not more than 95%, month average of not more than 90%.
saturated vapor pressure daily average of not more than 2.2 × 103MPa, month average not more than 1.8 × 103MPa.
4. Earthquake intensity: not more than eight.
5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration
| NO. | Item | Unit | Data | ||
| 1 | Rated voltage | KV | 12 | ||
| 2 | Rated frequency | Hz | 50 | ||
| 3 | Rated lightning impulse withstand voltage(peak) | KV | 75 | ||
| 4 | Rated short-time power frequency voltage(1 min) | KV | 42 | ||
| 5 | Rated current | A | 6301250 | 6301250 | 1250160020002500 |
| 6 | Rated short circuit breaking current | KV | 20 | 25 | 31.5 |
| 7 | Rated short circuit making current(peak) | KV | 50 | 63 | 80 |
| 8 | Rated short circuit duration | 4 | |||
| 9 | Rated operating sequence | S | O-0.3s-CO-180s-CO 0-180s-CO-180s-CO(40KA) | ||
| 10 | Rated single /back to back capacitor bank breaking currrent | A | 630/400 | ||
| 11 | Rated short circuit current breaking time | Times | 30 | ||
| 12 | Opening time | ms | 35~70 | ||
| 13 | Closing time | ms | 20~50 | ||
| 14 | Mechanical life | Times | 10000 | ||
| 15 | Rated energy storage and operating voltage | V | AC220/110DC220/110 | ||
| 16 | Contact stroke | mm | 11±1 | ||
| 17 | Contact overtravel | mm | 3.5±0.5 | ||
| 18 | Average closing speed | m/s | 0.5~0.8 | ||
| 19 | Average opening speed | m/s | 0.9~1.2 | ||
| 20 | Contact closing bounce time | ms | ≤2 | ||
| 21 | Three-phase opening,closing asynchronous | ms | ≤2 | ||
| 22 | The main circuit resistance | μΩ | ≤50(630A)≤45(1250A)≤35(1600~2000A)≤25(MORE THAN 2500) | ||
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory with more than 20 years experience in this field.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days
if the goods are not in stock, it is according to quantity.
Q:Do your company have a website ?
A:Please check :www.cnyufeng.cn
Q: What is your terms of payment ?
A: Payment=500USD, 30% T/T in advance ,balance before shippment.
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