| 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 a voltage of 12KV. It is designed to protect and control equipment in power supply and distribution systems, including substations and industrial and mining industries.
For detailed technical specifications, please refer to the product documentation provided by Yueqing Liyond Electric Co., Ltd.
| 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. presents the Vs1-12 Zn63 Vacuum Circuit Breaker, ideal for 12kv applications with a rated current of 4000A. Ensure proper cooling with cold wind for optimal performance.
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 for testing and quality checking. Mixed samples are acceptable.
Q: Can we print our logo/company name on products?
A: Yes, we accept OEM. Kindly provide brand authorization to us.
Q: Do you accept product customization?
A: Yes, please provide specific drawings or parameters for evaluation and quotation.
Q: What is the lead time?
A: The lead time depends on quantities ordered, generally within 7-20 days after 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 and finished products undergo QC inspection before shipping. Goods inspection reports will be provided for reference.
Q: How to solve quality problems after sales?
A: Take photos of quality problems, send them to us for checking and confirmation. We will provide a satisfactory solution within 3 days.
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