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The VS1-12M series indoor high voltage vacuum circuit breaker (VCB) features a modular mechanism and draw-out type design. With a polar distance of 210mm (suitable for 800mm cabinet widths), it is rated for 12kV three-phase AC 50Hz indoor switchgear applications.
Designed for power stations, substations, and industrial mining enterprises, it provides reliable control and protection for transmission and distribution systems. It is particularly suited for high-altitude breaking loads and frequent operation environments due to its robust interlock function.
Moisture-Resistant Design
Auto-regulated heating element for harsh coastal environments.
Climate-Adaptive Operation
Ensures reliability from -40°C to +40°C.
| No. | Item | Unit | Data |
|---|---|---|---|
| 1 | Rated voltage | KV | 12 |
| 2 | Rated frequency | HZ | 50/60 |
| 3 | Rated Current | A | 630 - 4000 |
| 4 | Rated short-circuit breaking current | KA | 20, 25, 31.5, 40 |
| 5 | Rated short-circuit duration | s | 4 |
| 6 | Mechanical life | Times | 30000 |
| 7 | Closing time | ms | ≤ 70 |
| 8 | Opening time | ms | ≤ 50 |
With over ten years of production and sales experience, we specialize in manufacturing high-voltage power transmission and distribution equipment. Our product range includes Vacuum Circuit Breakers (VCB), SF6 Circuit Breakers, Disconnecting Switches, and Load Break Switches (LBS). Our facilities utilize optimized assembly lines to meet diverse global needs.
Vernon Charger