Transformers
SCB18 Cast-resin Dry-type Transformer
Epoxy cast-resin dry-type transformer, Grade 1 energy efficiency per GB 20052-2024.
SCB18 is a cast-resin dry-type distribution transformer with F/H insulation and forced or natural air cooling. It is fire-safe (no oil), suitable for indoor installation in buildings, hospitals and data centers, and meets the GB 20052-2024 Grade 1 energy-efficiency requirement.
Key Technical Parameters
| Rated capacity | 100 / 200 / 400 / 630 / 800 / 1000 / 1250 / 1600 / 2000 / 2500 kVA |
|---|---|
| Primary voltage | 10 kV or 6 kV (±2×2.5%) |
| Secondary voltage | 0.4 kV |
| Vector group | Dyn11 |
| Insulation class | F (155°C) / H (180°C) |
| Cooling | AN / AF |
| Standards | GB 20052-2024, GB/T 1094, IEC 60076 |
Structure & Features
- Epoxy-resin cast windings, core of oriented silicon steel.
- IP20/IP23 enclosure with temperature control and fan cooling option.
Application Scenarios
- Indoor distribution in commercial buildings, hospitals, data centers and subways.
Model Designation & Variants
- S = three-phase; C = cast resin; B = low-noise design; 18 = energy-efficiency grade.