Distribution Transformers with Overloads Withstanding Capacity usually use copper or aluminium conductors and are wound around a magnetic core to transform current from one voltage to another. Amar Transformers Pvt. Ltd. Manufactures Distribution Transformers with Overloads Withstanding Capacity.Amar Transformers Pvt. Ltd. Is an ISO 9001-2000 awarded company that manufactures wide range of transformers. Distribution Transformers with Overloads Withstanding Capacity come in two types, dry-type and liquid. The Distribution Transformers are usually smaller and do not generate much heat. It can be located in a confined space. The liquid type usually has oil, which surrounds the transformer core and conductors to cool and electrically insulate the transformer. The liquid distribution transformer types are usually the larger and need more than air to keep them from overheating thus the oil insulator. They come in single phase and three phase and can be pad mounted or pole mounted.