Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Energy-storage Type |
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Discover our 24KV VBI-24 Indoor High Voltage Fixed Type Vacuum Circuit Breaker, crafted with advanced technology for reliability and efficiency.
The VBI-24 series of indoor high voltage vacuum circuit breaker with embedded poles is a three-phase A.C. 50 Hz indoor power distribution equipment with a rated voltage of 24 KV. It is designed for protecting and controlling electrical equipment in industries, mining enterprises, power plants, and substations.
The main conductive circuit of this vacuum circuit breaker with a spring mechanism is the embedded pole, enhancing insulation, mechanical, and breaking performance. It offers free-maintenance and a longer mechanical and electrical life, meeting national standards and IEC regulations with a capability grade of M-E2-C2.
Manufactured by Yueqing Liyond Electric Co., Ltd., this product is compatible with switchgear like KYN28-24(GZS1) and is suitable for fixed installation.
Sequence number | name | unit | data | |||||||
1 | Rated voltage | KV | 24 | |||||||
2 | Rated current | A | 630 | 1250 | 1600 | 2000 | 2500 | 3150 | ||
3 | Rated frequency | Hz | 50 | |||||||
4 | Rated short circuit breaking current | KA | 20 | 25 | 31.5 | |||||
5 | Rated short circuit making current | KA | 50 | 63 | 80 | |||||
6 | Rated short time withstand current | KA | 20 | 25 | 31.5 | |||||
7 | Rated peak withstand current | KA | 50 | 63 | 80 | |||||
8 | Rated power frequency withstand voltage 1min | KV | 65 | |||||||
9 | Rated lightning impulse withstand voltage | KV | 125 | |||||||
10 | Rated short-circuit duration | s | 4 | |||||||
11 | Rated operating sequence | O-0.3S-CO-180s-CO | ||||||||
12 | maximum DC component | 50% |
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