DESCRIPTION These transformers comply with the following characteristics: Three-phase , 50 Hz, for outdoor or indoor instalation. Immersed in mineral oil according to UNE 21-320/5 - IEC 296 (other dielectric liquids on demand). Corrugated tank. Natural cooling (ONAN). The paint finish will be dark-blue type 8010-B10G. (other colours on demand). STANDARD ACCESSORIES Off-circuit regulation tap changer. M.V. Porcelain Bushings. L.V. Porcelain Bushings. 2 Earthing terminals. Draining and sampling device. Filling device. Rating Plate. Security and service procedure plate. 2 Lifting eyes. 4 Latching eyes. 4 Pulling eyes.