Customization: | Available |
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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 for protecting and controlling equipment in power supply and distribution systems, including substations and industrial and mining industries.
For detailed technical 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% |
Yueqing Liyond Electric Co., Ltd. presents the Vs1-12 Zn63 Vcb Vacuum Circuit Breaker for indoor use at 12kv. This handcrafted circuit breaker ensures reliable performance with a rated current of 4000A.
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