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 (other dielectric liquid 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. Thermometer pocket.