VSG-24 Indoor High Voltage Vacuum Circuit Breaker with Embedded Poles (24kV)
The VSG-24 series indoor high-voltage vacuum circuit breaker is a high-performance 24kV power distribution unit featuring advanced embedded pole technology. Designed with a modular organization and an integrated energy storage handle, it achieves a perfectly reasonable layout that ensures a long mechanical and electrical life with zero maintenance. Rated for three-phase AC 50Hz systems, this VCB provides superior protection and control for electrical equipment in power plants, substations, and industrial mining enterprises.
VSG-24 Indoor High Voltage Vacuum Circuit Breaker with Embedded Poles (24kV)
Product Overview
The VSG-24 series indoor high-voltage vacuum circuit breaker is a premier three-phase A.C. 50Hz indoor power distribution unit with a rated voltage of 24kV. Engineered for maximum reliability, the main conductive circuit utilizes advanced embedded pole technology. This breaker is the ideal solution for protecting and controlling electrical equipment in power plants, substations, and industrial or mining enterprises.
Advanced Design & Modular Mechanism
The VSG-24 stands out through its highly integrated and maintenance-free construction:
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Embedded Pole Technology: The vacuum interrupter is fixedly sealed into a whole unit, protecting it from external collisions, dust, and environmental factors.
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Modular Organization: Features a modular operating mechanism matched with an integrated energy storage handle for a reasonable and brief overall layout.
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Maintenance-Free: The robust design realizes true maintenance-free operation and provides a significantly longer mechanical and electrical service life.
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High Performance: Tested to meet E2 level for electrical life and M2 level for mechanical life (up to 10,000 cycles for certain configurations).
Technical Specifications
| Item | Unit | Technical Data |
| Rated Voltage | KV | 24 |
| Rated Frequency | Hz | 50/60 |
| Rated Current | A | 630 / 1250 / 1600 / 2000 / 2500 / 3150 |
| 1min Power Frequency Withstand Voltage | KV | 65 |
| Rated Lightning Impulse Withstand Voltage | KV | 125 |
| Rated Short-Circuit Breaking Current (Peak) | KA | 20 / 25 / 31.5 |
| Rated Short-Circuit Duration | s | 4 |
| Rated Operating Sequence | – | O-0.3s-CO-180s-CO |
| Maximum D.C. Component | % | 50% |
Operational Features
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Compact & Space-Saving: Designed for various installation environments, including compact air-insulated switchgear.
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High Reliability: Utilizes premium vacuum interruption technology to ensure minimal switching losses and fast operational response.
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Environmental Adaptability: Engineered to perform stably in harsh conditions, including temperatures from -15°C to +40°C and relative humidity up to 95%.
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