S20 10kv 20kv Oil-Immersed Transformer Step Down/Distribution/ Oil Immersed/Industrial Power Transformer

S20 10kv 20kv Oil-Immersed Transformer Step Down/Distribution/ Oil Immersed/Industrial Power Transformer. S13 Series Fully Sealed Oil-immersed Distribution Transformer, 6kV-24kV Wide Voltage Range. Fully Sealed Corrugated Tank Design, No Oil Conservator, Maintenance Free Operation. Three Efficiency Levels: S13 Standard / S20 Level 2 / S22 Level 1, Energy Saving & Cost Reduction. High Permeability Grain Oriented Silicon Steel Core, Low Loss & Low Noise, Long Service Life. Vacuum Oil Filling Process, Isolate Air & Moisture, Reliable Insulation Performance. 30kVA-2500kVA Wide Capacity Range, Widely Used in Industrial & Distribution Systems.