Cast resin dry type transformer 11 kV/433V, 3phase, 50 Hz. Off circuit tap links::!: 5% in steps of 2.5% Class F and H insulation. HV Delta connected, LVStar connected with Dyn 11 vector group. Natural air cooling and forced air cooling Dutycycle- continuous Winding- copper duly resin casted Enclosure -IP 23 to IP 33 and as per customer specifications. Cable boxes on HVand LV Painting shades as per ISand IEC standards Standard Fitting Rating and diagram plate