| Customization: | Available |
|---|---|
| Transport Package: | Fumigation Wooden Box |
| Trademark: | YQALT |
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ZN12-40.5 Series Indoor Vacuum Breaker
Product Overview:
The ZN12-40.5 series Indoor Vacuum Circuit Breaker (VCB) is designed for high-voltage systems with a rated voltage of 40.5kV, 3-phase AC, and a frequency of 50Hz. This vacuum switchgear adopts advanced 3AF technology from Siemens Germany, ensuring superior performance and reliability. The breaker integrates both the operational mechanism and switchgear into a single unit, utilizing a spring-based energy storage system that can be operated via AC, DC, or manually.
Key Features:
1. Advanced Siemens 3AF Technology:
The VCB incorporates the Siemens 3AF technology, ensuring efficient performance and safety. This technology improves the breaker's ability to handle high voltages and ensures reliable operation.
2. Flexible Operation Methods:
The breaker's operation system utilizes a spring-based energy storage mechanism that can be activated by AC, DC, or manually. This flexibility allows for easy operation in various environments and conditions.
3. High Breaking Capacity:
With a powerful breaking capacity, this VCB is designed to handle large fault currents safely and effectively, making it suitable for high-voltage power grids and substations.
4. Long Service Life:
The ZN12-40.5 VCB is built for longevity, with a durable design that ensures a long endurance life. The breaker's simple structure reduces wear and tear, providing a low-maintenance solution for frequent operations.
5. Explosion-Free Design:
The vacuum-based arc-extinguishing mechanism eliminates the risk of explosion, enhancing the safety of the switchgear and its surrounding environment.
6. Ease of Maintenance:
The circuit breaker's simple structure and modular design make maintenance easier and faster, reducing operational downtime and ensuring continuous service.
Technical Specifications:
• Rated Voltage: 40.5kV
• Rated Frequency: 50Hz
• Operation Type: AC, DC, or manual operation
• Breaking Capacity: High breaking capacity for effective fault current interruption
• Technology: Siemens 3AF technology
• Energy Storage Mechanism: Spring-based
Applications:
• Power Stations: Suitable for use in control and protection systems of power generation facilities.
• Urban Power Grids: Ideal for urban distribution networks requiring frequent switching and load breaking.
• Substations: Effective for high-voltage substations that require reliable and robust switchgear.
• Frequent Operation Environments: Perfect for locations where frequent breaking and switching operations are needed due to its long service life and high breaking capacity.
Advantages:
• Safety: Explosion-free design ensures safe operation in high-voltage environments.
• Low Maintenance: The simple design and vacuum technology result in fewer maintenance requirements and longer operational life.
• Reliable Performance: Siemens 3AF technology enhances the reliability and functionality of the circuit breaker, making it suitable for critical applications.
Precautions:
1. Proper Installation Required: The VCB should be installed by certified professionals to ensure optimal performance and safety.
2. Regular Inspections: Although the VCB is low-maintenance, periodic checks should be performed to guarantee that it functions correctly under load conditions.
3. Environment Considerations: Ensure the VCB is installed in suitable indoor environments, away from excessive moisture or dust that could affect performance.
The ZN12-40.5 series Indoor High Voltage VCB provides a reliable, long-lasting, and safe solution for controlling and protecting high-voltage power systems. Its integration of Siemens 3AF technology, coupled with its operational flexibility and low maintenance requirements, makes it an ideal choice for demanding power grid applications.
| Technical Specification | |||
| Rated voltage | kV | 40.5 | |
| Rated insulation level | 1min power frequency withstand voltage | 95 | |
| Lightning impulse withstand voltage(peak) | 185 | ||
| Rated Current | A | 1250 1600 2000 2500 | |
| Rated short circuit breaking current | kA | 25/31.5 | |
| Rated operating sequence | 0-0.3s-c0-180s-c0 | ||
| Rated short-circuit current breaking times | Times | 20 | |
| Rated short-circuit switching current | kA | 63/80 | |
| Rated peak withstand | 63/80 | ||
| Rated short time withstand current | 25/31.5 | ||
| Opening time | ms | ≤75 | |
| Closing time | ms | ≤95 | |
| Mechanical life | Times | 10000 | |
| Rated Input Power of Energy-storing Motor | W | ≤275 | |
| Energy-Storing time Under Rated Voltage | S | ≤15 | |
| Rated operating voltage and auxiliary voltage circuit | V | AC110,220;DC110,220 | |
| Rated current of over-current tripper | A | 5 | |
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