YTEC-WBEC
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Detail
Key Advantages
High Reliability：Circuit breakers are mounted on drawout trays, allowing removal for maintenance without de-energizing other circuits, ensuring system continuity.
Ease of Maintenance：Modular design: Core components (e.g., breakers, CTs/PTs) integrate into drawout trays, enabling swift replacement (<30 mins) to minimize downtime.
Enhanced Safety：Mechanical interlocks: Enforce strict operation sequences (e.g., grounding switch engagement blocks breaker insertion) to prevent misoperation.
Space Efficiency：Vertical arrangement (center-breaker layout) saves 40% footprint vs. fixed switchgear, ideal for space-constrained substations.
Typical Application Scenarios
Urban distribution network hubs
Main power distribution rooms in industrial/mining plants
Mission-critical facilities (data centers, hospitals) requiring uninterrupted power supply
| Rated voltage/Maximum operating voltage | 10/12kV | |
| Rated current | 630A | |
| Main bus current | Entry cabinet | 630A |
| Exit cabinet | 125A | |
| Rated short-time withstand current | 20kA | |
| Rated short-circuit duration | 4S | |
| Rated peak withstand current | 50KA | |
| Rated short-circuit closing current | (50)80kA | |
| Rated active load breaking current | 630A | |
| Closed-loop breaking current | 630A | |
| Rated cable charging current | 20kA | |
| Rated short-circuit withstand current of grounding switch | 20kA | |
| Rated short-circuit duration of grounding switch | (4)2S | |
| Rated peak withstand current of grounding switch | 50kA | |
| Rated short-circuit closing current of grounding switch | 50kA | |
| Lmin rated power frequency withstand voltage | Phase-to-phase,earth-to-ground,vacuum | 42kV |
| load switch interrupting gap | 48kV | |
| Ratedlightning impulse withstand voltage | Phase-to-phase,earth-to-ground,vacuum | 75kV |
| load switch interrupting gap | 85kV | |
| Mechanical life | Vacuum load switch | 10000times |
| Grounding switch(blade) Isolating switch(blade) | 2000times | |
| Junction current | 3150A | |
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