Mingri Electric
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| No. | Description |
|---|---|
| 1 | Armored Withdrawable Metal-Clad Switchgear |
| 2 | Withdrawable Type |
| 3 | Usage Conditions: (Indoor) |
| 4 | Design Serial Number |
| 5 | Rated Voltage (kV) |
| 6 | Vacuum Circuit Breaker |
| Parameter | Unit | Value |
|---|---|---|
| Rated Voltage | kV | 24 |
| Rated Frequency | Hz | 50 |
| Rated Current of Circuit Breaker | A | 630, 1250, 1600, 2000, 2500, 3150 |
| Rated Current of Switchgear | A | 630, 1250, 1600, 2000, 2500, 3150 |
| Rated Dynamic Withstand Current (4s) | kA | 20, 25, 31.5 |
| Rated Peak Withstand Current | kA | 50, 63, 80 |
| Rated Short-Circuit Breaking Current | kA | 20, 25, 31.5 |
| Rated Short-Circuit Making Current (Peak) | kA | 50, 63, 80 |
| Rated Insulation Level (1min PFWV Pole-to-Pole/Ground) | kV | 65 |
| Rated Insulation Level (1min PFWV Across Contacts) | kV | 79 |
| Lightning Impulse Withstand Voltage (Pole-to-Pole/Ground) | kV | 125 |
| Lightning Impulse Withstand Voltage (Across Contacts) | kV | 145 |
| Protection Class | Enclosure: IP4X; IP2X when compartment doors open |
| A. Busbar Compartment | 10. Surge Arrester |
| B. Circuit Breaker Trolley Compartment | 11. Earthing Main Busbar |
| C. Cable Compartment | 12. Removable Partition |
| D. Relay & Instrument Compartment | 13. Shutter (Isolation Barrier) |
| 1. Enclosure | 14. Secondary Plug |
| 2. Branch Busbar | 15. Circuit Breaker Trolley |
| 3. Busbar Bushing | 16. Heating Device |
| 4. Main Busbar | 17. Removable Horizontal Partition |
| 5. Fixed Contact | 18. Earthing Switch Operating Mechanism |
| 6. Fixed Contact Housing | 19. Base Plate |
| 7. Current Transformer (CT) | 20. Pressure Relief Device |
| 8. Earthing Switch | 21. Control Wire Duct |
| 9. Cable |
Product operating site and special requirements:
