Technical Highlights
- This product offers the advantages of indoor safety, low maintenance, and practical installation flexibility. It supports projects that need reliable electrical performance, oil-free operation, and configurable insulation, enclosure, monitoring, or cooling features for modern indoor distribution systems.
Application Scenarios
- Commercial buildings and office complexes
- Hospitals, schools, and public facilities
- Industrial workshops and manufacturing plants
- Data centers and mission-critical electrical rooms
- Indoor infrastructure and utility support projects
Key Features
- 250 kVA rated capacity for safe indoor distribution and equipment supply
- Dry-type insulation system suitable for indoor, low-maintenance installations
- Three-phase construction for commercial, industrial, infrastructure, or special applications
- Available with customized voltage ratio, enclosure, monitoring, and cooling options
- Supports project-based IEC specifications and export-oriented documentation
- Designed for dependable service where oil-free installation is preferred
Optional Configurations
- High-voltage and low-voltage rating
- Enclosure level: IP00 / IP20 / IP23 / customized
- Temperature controller and smart monitoring options
- Cooling mode: AN / AF and fan arrangement
- Winding material and insulation class
- Project-specific standards and test document requirements
- Color, nameplate language, and document package
- Ambient temperature, altitude, and installation condition adaptation
Technical Specifications
| Model Series | SCB10 / SCB11 / SCB13 / SCB14 |
|---|---|
| Rated Capacity | 250 kVA |
| Primary Voltage (U1) | 10,000 V (10 kV / 11 kV) |
| Secondary Voltage (U2) | 400 V / 415 V / 480 V (3-Phase 4-Wire) |
| Vector Group | Dyn11 |
| Rated Frequency | 50 Hz / 60 Hz |
| Cooling Method | AN (Natural Air) / AF (Forced Air Blower) |
| Primary Current (I1) | 14.43 A |
| Secondary Current (I2) | 347.8 A |
| Guaranteed No-Load Loss (P0) | 720 W |
| Guaranteed Load Loss (Pk at 120°C) | 2830 W |
| Short-Circuit Impedance (Uk) | 4.0% |
| Insulation Class | F Class (155°C) / H Class (180°C) Epoxy Cast Resin |
| Temperature Rise Limit | Winding Temp Rise ≤ 100 K (F Class) / ≤ 125 K (H Class) |
| IP Protection Class | IP00 (Open Type) / IP20 (Indoor Enclosure) / IP23 (Loubered) |
| Total Weight | 1320 kg |
| Overall Footprint (L×W×H) | 1050 mm × 800 mm × 1120 mm |
| Governing Standards | IEC 60076-11, GB/T 10228-2015, CE, ISO 9001 |



