VG1-24 Indoor High-Voltage Vacuum Circuit BreakerIntelligent Medium-Voltage Breakers
VG1-24 indoor HV vacuum circuit breaker is self-developed, domestically leading, compliant with GB/T1984, DL/T403 and IEC62271-100, reliable globally. Used in power plants, grids, metallurgy, petrochemicals and urban infrastructure.
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Main circuit in enclosed three-phase insulated cylinder with the operating mechanism longitudinally mounted. Self-developed spring mechanism: simple, reliable, durable, with full mechanical-electrical interlocks.
Core Advantages & Features
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Serial InterchangeabilityHigh degree of serialization for consistency and strong interchangeability with mainstream industry products.
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Efficient Spring MechanismMature spring operating mechanism with a simple structure, high transmission efficiency, low loss, and low noise.
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Modular Reliable DesignModular circuit board for easy replacement, self-locking connectors ensure high electrical connection reliability.
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Composite Insulation CoolingMain circuit uses a composite insulation structure with insulating cylinders for effective heat dissipation.
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Intelligent Monitoring OptionOptional intelligent components with an online monitoring expert diagnostic system.
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Technical Parameters
| Basic Parameters | |
|---|---|
| Rated voltage | 24 kV |
| Phase spacing | 275 mm |
| Cubicle dimensions | 1000 mm |
| Rated current | 630 A, 1250 A, 1600 A, 2000 A, 2500 A, 3150 A, 4000 A |
| Rated short-circuit breaking current (effective value) | 25 kA, 31.5 kA |
| Rated short-circuit making current (peak) | 63 kA, 80 kA |
| Rated power frequency withstand voltage | 65 kV |
| Rated lightning impulse withstand voltage | 125 kV |
Rated short-circuit current breaking operations | 30 times |
| Mechanical life | 10000 times |
Product Documents
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Product Brochure
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VG1 Series Indoor High-Voltage Vacuum Circuit Breaker
2025-09-02
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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.
