This international standard applies to single- phase and three phase oil - immersed power transformers including auto-transformer with the exception of certain small and special transformers as defined in the scope of IEC 60076-1 It identifies transformer windings to their highest voltage for equipment Un associated with their corresponding rated insulation levels and details the relevant applicable dielectric tests and minimum external clearances in air between live parts of bushing and to objects at earth potential.

• Year of Declaration: 2000
• Reference: GYSIEC 60076-3 2000
• Number of Pages: 107
• Code: GYS IEC 60076-3
• Version: Second edition
• ICS Number: 17.220.20. -29.180