| Customization: | Available |
|---|---|
| Transport Package: | Fumigation Wooden Box |
| Trademark: | YQALT |
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ZN63(VS1)-12 Series Vacuum Circuit Breaker
Product Overview:
The VS1(650MM) Series Vacuum Circuit Breaker is an indoor high-voltage electrical device, designed for use in power systems with a rated voltage of 7.2-11kV and a frequency of 50Hz. This circuit breaker is built for frequent operation, offering a high breaking capacity and fast reclosing function, making it ideal for modern electrical systems requiring reliable performance.
Key Features:
1. High Breaking Capacity and Fast Reclosing:
The VS1 Vacuum Circuit Breaker is designed for frequent operations and has an excellent breaking capacity. Its fast reclosing ability ensures rapid restoration of power, making it suitable for systems where continuous operation is critical.
2. Front and Backside Structure:
The circuit breaker is built with a front and backside structure, allowing for versatile installation. It can be deployed as a fixed type breaker, or it can be used with a withdrawable truck for easy maintenance and replacement, offering flexibility in various operational environments.
3. Compliance with Standards:
The VS1(650MM) complies with the following standards:
• GB/T 1984: High-Voltage Circuit Breakers
• JB3855: Technical Specifications for Circuit Breakers
• IEC Standards: Ensures international conformity and reliability across different regions and applications.
4. Indoor Application:
Designed specifically for indoor environments, the VS1 is suited for high-voltage systems that require secure, reliable protection in controlled conditions.
Applications:
• Power Distribution Systems: The VS1 Circuit Breaker is suitable for high-voltage power distribution systems within industrial and commercial installations.
• Frequent Operation: Ideal for applications that require regular operation, such as industrial automation and protection systems.
• Switchgear Integration: Can be used within fixed or withdrawable switchgear systems, providing flexibility for diverse electrical setups.
Advantages:
• Durability and High Performance: The vacuum interrupter technology ensures long-term reliability with minimal maintenance, offering a cost-effective solution for high-voltage protection.
• Flexible Installation: The front and backside structure allows for easy integration as either a fixed or withdrawable breaker, depending on system requirements.
• Global Compliance: Adherence to both Chinese (GB/T, JB) and international (IEC) standards guarantees quality and compatibility across different markets and electrical setups.
Precautions:
1. Professional Installation Required: The breaker should be installed by qualified personnel to ensure safe and reliable operation.
2. Maintenance and Inspection: Regular maintenance should be conducted to maintain the vacuum interrupter's integrity and the overall performance of the circuit breaker.
3. Environmental Conditions: Ensure the circuit breaker is used in suitable indoor environments where temperature and humidity levels are within acceptable ranges for high-voltage equipment.
The VS1(650MM) Series Vacuum Circuit Breaker offers a reliable and flexible solution for indoor high-voltage power systems, ensuring high performance, safety, and compliance with global standards.
| Technical Specification | |||||
| Rated voltage | kV | 12 | |||
| Maximum working voltage | kV | 12 | |||
| Rated Current | A | 630-1250 | 630-1600 | 630-1600 | |
| Rated short circuit breaking current | kA | 20 | 25 | 31.5 | |
| Rated short-circuit switching current | kA | 50 | 63 | 80 | |
| Rated peak withstand current | kA | 50 | 63 | 80 | |
| 4S rated short-circuit withstand current | kA | 20 | 25 | 31.5 | |
| Rated insulation level | 1min Power frequency withstand voltage(rated breaking before and after) | kV | 42(fracture 48) | ||
| Impulse withstand voltage(rated breaking before and after) | 75(fracture 84) | ||||
| Rated operating sequence | 0-0.3s-C0-180s-C0 | ||||
| Mechanical life | Times | 10000 | |||
| Rated short-circuit current breaking times | Times | 50 | |||
| Rated Operating Mechanism Closing Voltage(DC) | V | AC,DC 110,220 | |||
| Rated Operating Mechanism Opening Voltage(DC) | V | AC,DC 110,220 | |||
| Contact opening distance | mm | 11±1 | |||
| Overtravel(the length of contact spring compression) | mm | 3.5±0.5 | |||
| Closing/Opening Time Difference Among Three Phase | ms | ≤2 | |||
| Contact closing bounce time | ms | ≤2 | |||
| Average opening speed | m/s | 0.9-1.2 | |||
| Average closing speed | m/s | 0.5-0.8 | |||
| Tripping Time | Maximum operating voltage | s | ≤0.05 | ||
| Minimum operating voltage | ≤0.08 | ||||
| Closing time | s | 0.1 | |||
| The main circuit resistance of each phase | 630≤50 1250≤45 1600≤40 |
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| Allowed Consumpted thickness of Contacts | mm | 3 | |||
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