| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Energy-storage Type |
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Introducing the VS1 VCB Vacuum Circuit Breaker by Yueqing Liyond Electric Co., Ltd. This three-phase AC, 50Hz indoor power distribution equipment operates at 12KV, ideal for protecting and controlling equipment in power supply and distribution systems, including substations and industrial applications.
For detailed technical specifications, please refer to DL/T403-2000 and JB3855 1996 standards.
| No. | Name | Unit | Data | ||||||
| 1 | Rated voltage | kV | 12 | ||||||
| 2 | Rated current | A | 630 | 1000 1250 | 1600 2000 2500 3150 | ||||
| 3 | Rated short circuit breaking current | kA | 20 | 25 | 20 | 25 | 31.5 | 31.5 | 40 |
| 4 | Rated peak withstand current | kA | 50 | 63 | 50 | 63 | 80 | 80 | 100 |
| 5 | Rated short time withstand current | kA | 20 | 25 | 20 | 25 | 31.5 | 31.5 | 40 |
| 6 | Rated short circuit making current | kA | 50 | 63 | 50 | 63 | 80 | 80 | 100 |
| 7 | Switching operations of short circuit current | times | 50 | ||||||
| 8 | Rated operating sequence | O-0.3s-CO-180s-CO-180s-CO(40KA) | |||||||
| 9 | Mechanical endurance | times | 10000 | ||||||
| 10 | Rated breaking operations of the rated current | times | 20000 | ||||||
| 11 | Rated lighting impulse withstand voltage(full wave) | kV | 75 | ||||||
| 12 | 1 min. rated power frequency withstand voltage | kV | 42 | ||||||
| 13 | Contact stroke | mm | 9±1 | ||||||
| 14 | Over-travel of contacts | mm | 3.5±0.5 | ||||||
| 15 | Closing speed | m/s | 0.4∼0.8 | ||||||
| 16 | Opening speed | m/s | 0.9∼1.2 | ||||||
| 17 | Contact bouncing duration at closing operation | ms | ≤2 | ||||||
| 18 | Simultaneity of three phase closing operation | ms | ≤2 | ||||||
| 19 | Closing time | ms | 30∼70 | ||||||
| 20 | Opening time | m/s | 20∼50 | ||||||
| 21 | Distance between phases | mm | 150, 210, 275 | ||||||
| 22 | D.C component | 50% | |||||||
Yueqing Liyond Electric Co., Ltd. offers a 12kv Indoor Vacuum Circuit Breaker for 2023. Ideal for rated currents up to 4000A with cold wind. Find the best price now!
FAQ
Q: Could I have prices of your products?
A: Welcome. Please feel free to send us an inquiry here. We will reply within 24 hours.
Q: Can I get a sample before the bulk order?
A: Yes, we welcome sample orders to test and check quality. Mixed samples are acceptable.
Q: Can we print our logo/company name on products?
A: Yes, of course, we accept OEM. Kindly provide brand authorization to us.
Q: Do you accept product customization?
A: Yes, of course, please provide specific drawings or parameters for a quote after evaluation.
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving payment.
Q: What are your Trade Terms?
A: We accept EXW, FOB, CIF, FCA, etc.
Q: What is your payment method?
A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc.
Q: Do you inspect finished products?
A: Yes, each step of production and finished products undergo inspection by the QC department before shipping. Goods inspection reports will be provided for your reference before shipment.
Q: How to solve quality problems after sales?
A: Take photos of the quality problems and send them to us for checking and confirmation. We will provide a satisfactory solution within 3 days.
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