DQC-24 Gas-Insulated Digital SwitchgearMedium-Voltage Switchboard
The DQC-24 C-GIS utilizes advanced laser welding and helium leak detection processes to create a sealed, maintenance-free system for small substations and commercial complexes.
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It features a direct-acting three-position mechanism for stable performance and a long lifespan
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The modular operating mechanism is maintenance-free and easily replaceable
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Customized design meets various non-standard requirements
Core Advantages & Features
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Gas-Insulated ReliabilityHigh-voltage components insulated with gas for dependable performance.
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Compact & Efficient DesignOptimized structure reduces spatial footprint while maintaining full functionality.
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Modular Interface SystemPlug-in insulation interfaces allow easy cabinet connection and expansion.
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Advanced Interlocking MechanismsIntegrated interlocks between disconnectors and breakers prevent misoperation.
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Solid Insulated Busbar SystemSolid inter-cabinet busbars eliminate gas refilling and ensure system safety.
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High-Precision ManufacturingLaser welding and helium detection provide long-term airtightness.
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Maintenance-Free SystemNo regular servicing required, reducing life-cycle costs.
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Technical Parameters
| Basic Parameters | |
|---|---|
| Rated voltage | 24 kV |
| Rated frequency | 50 Hz |
| Rated current | 1250 A |
| Rated power frequency withstand voltage | 65/79 kV (Isolation gap) |
| Rated lightning impulse withstand voltage | 125/145 kV (Isolation gap) |
| Mechanical life | 1000 times |
Rated short-circuit breaking current | 31.5 kA |
| Main circuit rated short-time withstand current (4s) | 31.5 kA |
| Main circuit rated peak withstand current | 82 kA |
| Internal arc classification | AFLR, 31.5 kA, 1s |
| Rated working pressure (20°C gauge) | 0.03 MPa |
| Minimum working pressure (20°C gauge) | 0.02 MPa |
| Enclosure protection level | IP42 |
| Gas chamber protection level | IP67 |
| Annual gas leakage rate | ≤0.01% |
产品文档
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Product Brochure
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DQC-24 Gas-Insulated Digital Switchgear
2025-11-25
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The company consistently maintains robust innovative vitality, standing at the forefront of the industry and driving its advancement. Through cutting-edge technologies and products, it achieves goals of energy conservation, environmental protection, quality enhancement, and consumption reduction, continuously contributing to the development of a resource-efficient and environmentally friendly society.
