| Customization: | Available |
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| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Energy-storage Type |
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The ZN63A(VS1)-12 Model indoor high voltage 12kV 3 Pole High Voltage Vacuum Circuit Breaker is designed for power systems with a rated voltage of 12kV. It serves as a protective and control unit for power grid and industrial equipment, compatible with switchgear panels such as KYN28(GZS1), XGN, and GG-1A. Related products include isolated handcart, fuse handcart, and voltage transformer handcart.
Manufacturer: 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% | |||||||
Ensure that the 12kV Types VS1-12 Vacuum Circuit Breaker from Liyond Electric Co., Ltd. operates with cold wind when handling a rated current of 4000A.
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Welcome to Yueqing Liyond Electric Co., Ltd.
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 quality testing. 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 a customized quote.
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 of production and finished products undergo inspection by the QC department before shipping. Goods inspection reports will be provided for your reference.
Q: How to solve quality problems after sales?
A: Take photos of the quality problems and send them to us for checking. We will provide a satisfactory solution within 3 days.
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