Dry-Type Double Wound Three Phase Transformer is made for indoor use. Deepak Instruments manufactures Dry-Type Double Wound Three Phase Transformer. Deepak Instruments supplies wide ranges of power supplies, uninterruptible [ups], telephones, elevator emergency, transducers, phase angle/power factor, transformers, control, transformers, ferrite, transformers, high voltage, transformers, isolation, transformers, line driver, transformers etc. Dry-Type Double Wound Three Phase Transformer is moisture protected in nature.