| Customization: | Available |
|---|---|
| Transport Package: | Fumigation Wooden Box |
| Trademark: | YQALT |
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ZW7A-40.5F Outdoor H.V. Vacuum Circuit Breaker
Product Overview:
The ZW7A-40.5 type outdoor high voltage vacuum circuit breaker (VCB) is a reliable and robust switchgear solution, designed with separate poles and a high-performance operating mechanism. This VCB is primarily used for switching load currents, overcurrents, and short circuit currents in outdoor high-voltage power systems. Its design focuses on ensuring long-lasting operation, reliability, and minimal maintenance.
Key Features:
1. High Reliability:
• The ZW7A-40.5 VCB boasts a high-reliability design, ensuring consistent operation even in challenging outdoor environments.
• Designed to operate with minimal maintenance, this VCB enhances system uptime and reduces operational costs.
2. Long Mechanical and Electrical Life:
• The VCB has an extended mechanical and electrical life, making it suitable for frequent operations in high-demand power systems.
• Its long lifespan ensures fewer replacements and lower total cost of ownership.
3. Compact and Lightweight:
• The circuit breaker's compact body design and reduced weight make it easy to install, saving time and labor during setup.
• This feature is particularly beneficial for space-constrained installations or locations where transportation and setup are difficult.
4. Effective Load and Fault Current Management:
• The ZW7A-40.5 is capable of handling load currents, overcurrents, and short-circuit currents, providing reliable protection and control for outdoor high-voltage applications.
• This capability makes it a versatile solution for diverse power distribution requirements.
Technical Specifications:
• Rated Voltage: 40.5kV
• Rated Frequency: 50Hz
• Switching Capabilities: Load current, overcurrent, and short circuit current
• Operation Mechanism: Separate pole design with a high-reliability operating mechanism
• Maintenance: Free maintenance for extended periods
Applications:
• Power Distribution Networks: Suitable for outdoor power distribution systems, particularly in high-voltage applications.
• Fault Protection: Provides robust protection against overcurrents and short circuits, ensuring the safety and stability of the power system.
• Frequent Switching: Ideal for applications where frequent switching of load currents and fault conditions is required.
Advantages:
• Minimal Maintenance: The free-maintenance design minimizes downtime and operational interruptions.
• Durability: With its long mechanical and electrical life, the ZW7A-40.5 VCB is built to withstand rigorous operational demands.
• Space-Efficient Design: The compact and lightweight structure simplifies installation, even in limited spaces or remote locations.
Installation and Safety Notes:
• Professional Installation Required: Ensure that the VCB is installed by qualified personnel to maintain safety and performance.
• Regular Inspection: Although the VCB is maintenance-free, periodic inspections are recommended to verify its condition and functionality.
• Environmental Considerations: The breaker should be installed in outdoor environments that align with its operating specifications to ensure optimal performance.
The ZW7A-40.5 outdoor high voltage vacuum circuit breaker is an ideal solution for high-voltage power systems requiring reliable, maintenance-free operation, with the ability to manage load currents, overcurrents, and short circuits. Its compact design and long service life make it suitable for a wide range of outdoor electrical installations.
| Technical Specification | ||
| Rated Voitage | kV | 40.5 |
| Rated Current | A | 1250/1600 |
| Rated Frequency | Hz | 50/60 |
| Power frequency with stand voltage 1min (wet) (dry) Phase to ground/tracture | kV | 81 |
| Light ning impulse with stand voltage. (peak) Phase to ground/fracture | kV | 185 |
| Ratedshortcircuitbreakingcurrent | kA | 25/31.5 |
| Rated short circuits witch ingcurrent (peak) | kA | 63/80 |
| Rated peak with stand current | kA | 63/80 |
| 4S short time with stand current | kA | 25/31.5 |
| Rated operating sequence | 0-0.1S-CO-3S-OC-6S-OC-60S | |
| Rated shart circuit breaking times | time | 30 |
| Mechanical life | time | 100000 |
| Control voltage of mechanism | V | AC/DC220 |
| Second ary circuit power trequency with stand voltage 1min | kV | 2 |
| Contact opening distance | mm | 18±1 |
| Contact Over-travelling distance | mm | 4±0.5 |
| Opening Speed | m/s | 1.4-1.8 |
| Closing Speed | m/s | 0.4-0.8 |
| Contact closing bounce time | ms | ≤5 |
| Middled is tance between phases | mm | 700±2 |
| Closing / Opening time difference between three phases | ms | ≤2 |
| The circuitr esistance of each phase | μΩ | <80 |
| Closing time | ms | ≤100 |
| Opening time | ms | ≤50 |
| Weight | Kg | about 500 |
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