BBBB+PT
Multi-CB combination with busbar PT unit
Application Scenarios
Suitable for main distribution networks or terminal power supply systems
Applicable to urban areas, industrial zones and remote field sites
Can be installed in distribution rooms and outdoor switch cabinets, meeting demands for new construction, renovation and other diverse project scenarios.
Core Features
Provides voltage for measurement and auxiliary power for secondary circuits
Equipped with busbar extension interfaces to enable future capacity expansion
Capable of breaking short-circuit currents to minimize outage areas
Can be fitted with integrated protection relays or automation terminals to meet automation requirements of smart distribution networks
Main Parameters
| Rated Voltage | 12kV & 24kV |
| Rated Current | 630A & 1250A |
| Rated Short-circuit breaking Current | 20kA / 25kA |
| Dimension (W × D × H) | 12kV: 460×800×1640 24kV: 550 ×850×1890 Dimensions without secondary top box Note: Take 630A product as an example |
| Design life | 40 years |
| Optional Accessories | • Surge arresters • EKL4 short-circuit & earth fault indicator • Tripping coil 1: AC230V / DC48V / DC110V • Tripping coil 2: Under-voltage release coil, AC230V |
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No matter which stage your project is at, our professional team of engineers can provide you with full-process professional support from product selection, solution design, factory visits to delivery and maintenance.
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