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Introducing the 24kv Advanced Medium Voltage Vacuum Circuit Breaker - the ultimate solution for your power system needs! This indoor vacuum circuit breaker is designed to provide top-notch performance and reliability, making it the perfect choice for any high voltage application.
Crafted with precision and expertise, the ZN83-24KV series VCB is a new indoor switchgear that has been independently developed by VACEM Co., Ltd. It is specifically designed for 24KV power systems, ensuring that your power needs are met with ease.
One of the standout features of this vacuum circuit breaker is its optimized modular spring operating mechanism. This mechanism ensures that the breaker operates smoothly and efficiently, providing you with the peace of mind you need when it comes to your power system.
Whether you're looking for an indoor vacuum circuit breaker or an HV vacuum circuit breaker, the 24kv Advanced Medium Voltage Vacuum Circuit Breaker is a perfect choice. With its advanced features and top-notch performance, you can rest assured that your power system is in good hands.
| Item | Unit | Date | |||||
| Rated voltage | kV | 24 | |||||
| Rated frequency | Hz | 50 | |||||
| Rated insulation level | 1min power frequency withstand voltage | pole to earth | kV | 65 | |||
| phase | kV | 79 | |||||
| lightning impulse withstand voltage | pole to earth | kV | 125 | ||||
| phase | kV | 145 | |||||
| Power frequency withstand voltage of secondary circuit | V | 2000 | |||||
| Rated current | A | 630 | 630 | 1250 | 1250 | ||
| 1250 | 1250 | 1600 | 3150 | ||||
| 2000 | |||||||
| Rated short-circuit breaking current | kA | 20 | 25 | 31.5 | |||
| Rated short-time withstand current | kA | 20 | 25 | 31.5 | |||
| Rated short circuit duration | s | ||||||
| Rated peak withstand current | kA | 50 | 63 | 80 | |||
| Rated short-circuit making current | kA | 50 | 63 | 80 | |||
| Rated short-circuit current breaking time (classE2) | times | 30 | |||||
| Rated single/back to back capacitor bank breaking current | A | 630/400 | |||||
| Clearance between open contacts | mm | 12~14 | |||||
| Contact stroke | mm | 3~5 | |||||
| Allowable wear thickness of contact | mm | 3 | |||||
| Average opening speed | m/s | 1.1~1.6 | |||||
| Average closing speed | m/s | 0.6~1.1 | |||||
| Contact closing bounce time | ms | ≤2 | |||||
| Different phase of contact closing and opening | ms | ≤2 | |||||
| Rebound amplitude of opening contact | mm | ≤2 | |||||
| Opening time (rated voltage) | ms | 20~50 | |||||
| Closing time (rated voltage) | ms | 30~70 | |||||
| Mechanical life (M2) | times | 10,000(20,000) | |||||
| Rated operating voltage | V | AC110/220 DC110/220 | |||||
| Rated operation sequence | 0-0.3s-CO-180s-CO | ||||||
For more switchgear parts, pls refer to insulation parts: https://china-vacem.en.made-in-china.com/product-group/BbRAnYUjsLrW/Insulation-Accessories-catalog-1.html
,or copper tulip contact: https://china-vacem.en.made-in-china.com/product-group/nbUGDIpPuLYM/Tulip-contact-series-1.html
