
Power Transformer
SC(B)12 Dry-Type Power Transformer
Model SC(B)12
A cast-resin dry-type transformer for power distribution applications. The catalog describes a low-loss design and resin processing for control of partial discharge; confirm the specified loss values, cooling and enclosure for the selected rating.
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View this model in our 2026 catalog ↗
Product Overview
SC(B)12 dry-type power transformer is presented in the technical document as an energy-saving dry-type transformer option. It is commonly used for commercial and industrial electrical projects and indoor distribution systems, with the final selection based on rated data, drawings, and site conditions.
utilities, EPC contractors, transformer distributors, industrial project owners, and electrical engineering companies can request configuration review for dry type transformer. Please send capacity, voltage combination, tap range, connection group, cooling or insulation type, loss data, impedance, and installation environment, quantity, destination, and any project standard requirements for quotation.
Model and Meaning

Technical Specifications
Main Product Performance Parameters of SC(B)12 10 kV Dry-Type Transformer
| Model | Rated capacity (kVA) | Connection group | High voltage (kV) | Tap range (%) | Low voltage (kV) | No-load current (%) | No-load loss (W) | Load loss B-class (W) | Load loss F-class (W) | Load loss H-class (W) | Short-circuit impedance (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SC(B)12-30 | 30 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 2 | 150 | 670 | 710 | 760 | 4 |
| SC(B)12-50 | 50 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 2 | 215 | 940 | 1000 | 1070 | 4 |
| SC(B)12-80 | 80 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 1.5 | 295 | 1290 | 1380 | 1480 | 4 |
| SC(B)12-100 | 100 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 1.5 | 320 | 1480 | 1570 | 1690 | 4 |
| SC(B)12-125 | 125 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 1.3 | 375 | 1740 | 1850 | 1980 | 4 |
| SC(B)12-160 | 160 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 1.3 | 430 | 2000 | 2130 | 2280 | 4 |
| SC(B)12-200 | 200 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 1.1 | 495 | 2370 | 2530 | 2710 | 4 |
| SC(B)12-250 | 250 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 1.1 | 575 | 2590 | 2760 | 2960 | 4 |
| SC(B)12-315 | 315 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 1 | 705 | 3270 | 3470 | 3730 | 4 |
| SC(B)12-400 | 400 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 1 | 785 | 3750 | 3990 | 4280 | 4 |
| SC(B)12-500 | 500 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 1 | 930 | 4590 | 4880 | 5230 | 4 |
| SC(B)12-630 | 630 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 0.85 | 1070 | 5530 | 5880 | 6290 | 4 |
| SC(B)12-630 | 630 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 0.85 | 1040 | 5610 | 5960 | 6400 | 6 |
| SC(B)12-800 | 800 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 0.85 | 1210 | 6550 | 6960 | 7460 | 6 |
| SC(B)12-1000 | 1000 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 0.85 | 1410 | 7650 | 8130 | 8760 | 6 |
| SC(B)12-1250 | 1250 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 0.85 | 1670 | 9100 | 9690 | 10300 | 6 |
| SC(B)12-1600 | 1600 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 0.85 | 1960 | 11000 | 11700 | 12500 | 6 |
| SC(B)12-2000 | 2000 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 0.7 | 2440 | 13600 | 14400 | 15500 | 6 |
| SC(B)12-2500 | 2500 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 0.7 | 2880 | 16100 | 17100 | 18400 | 6 |
| SC(B)12-1600 | 1600 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 0.85 | 1960 | 12200 | 12900 | 13900 | 8 |
| SC(B)12-2000 | 2000 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 0.7 | 2440 | 15000 | 15900 | 17100 | 8 |
| SC(B)12-2500 | 2500 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | +/-2.5% / +/-5%; selected capacities +/-2 x 2.5% / +/-5% | 0.4 | 0.7 | 2880 | 17700 | 18800 | 20200 | 8 |
Installation Dimensions / Drawing
Applications
- Commercial and industrial electrical projects
- Indoor distribution systems
- Projects requiring energy-saving dry-type transformer options
Ordering Instructions / Information Required for Quotation
ORDERING INSTRUCTIONS
- State the required SC(B)12 configuration, quantity, project destination, and intended application.
- Provide capacity, voltage combination, tap range, connection group, impedance, loss data, cooling or insulation type, and installation environment for technical review.
- Confirm the capacity-specific outline dimensions, installation base, terminal position, cooling clearance, and lifting / handling requirements before final production or installation planning.
- List any special environmental, wiring, communication, metering, protection, or component requirements in the inquiry.


