DQV-12(15) Indoor High-Voltage Generator Circuit BreakerIntelligent Medium-Voltage Breakers
The DQV series generator circuit breaker is designed for protecting generators, with a high DC current breaking component (up to 80%). Rated for 12kV or 15kV, 50Hz systems, it is installed between the generator and transformer.
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It simplifies plant procedures and aids unit maintenance, enhancing system stability. It is used in small/medium power plants, renovation projects, and large substations. Solid insulation technology and a reliable spring mechanism ensure durability and intelligence.
Core Advantages & Features
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Serialized InterchangeabilityHigh serialization for strong interchangeability with mainstream products.
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Efficient Spring MechanismMature spring mechanism: simple, efficient, low loss, low noise.
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Reliable Modular ConnectionsModular circuit board with self-locking connectors for reliable connections.
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Solid Insulation PolesMain circuit uses solid-sealed pole columns for solid insulation.
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Smart Monitoring SystemOptional smart components with an online monitoring expert diagnostic system.
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High DC Interrupting CapabilityHigh interrupting capability for DC components up to 80%.
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Technical Parameters
| Basic Parameters | |
|---|---|
| Rated voltage | 12 (15) kV |
| Phase spacing | 275 mm |
| Cubicle spacing | 1000 mm |
| Rated current | 630 A, 1250 A, 1600 A, 2000 A, 2500 A, 3150 A, 4000 A, 5000 A |
Rated short-circuit breaking current (effective value) | 40 kA |
Rated short-circuit making current (peak) | 110 kA |
Rated power frequency withstand voltage | 42 (50) kV |
Rated ligtning impulse withstand voltage | 75 (95) kV |
Rated short-circuit breaking operations | 4 times |
| Mechanical life | 10000 times |
Product Documents
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Product Brochure
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DQV-12 (15) Series Indoor High-Voltage AC Generator Vacuum Circuit Breaker
2025-09-02
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