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 equipment and industrial power equipment. This VCB can be used with various switchgear panels such as KYN28(GZS1), XGN, GG-1A, and more. Related products include isolated handcart, fuse handcart, and voltage transformer handcart.
For detailed specifications, please contact 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% |
Zn63 24kV Indoor Vacuum Circuit Breaker by Yueqing Liyond Electric Co., Ltd. Ideal for high voltage applications. Ensure cold wind for 4000A rated current.
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