Founded in 1979, TESAR has been producing dry type cast resin distribution transformers since its foundation. TESAR transformers are designed and manufactured in accordance with IEC 60076-11 and E2, C2, F1 classes with over 35 years manufacturing experience. TESAR has produced more than 40.000 transformers to date.

The standard product range is between the powers of 100 kVA and 3150 kVA and a maximum voltage of 36 kV. Products are designed and produced up to maximum 20 MVA power and 52 kV voltage level in special production line. TESAR is a leading producer of special transformer series produced up to 20 MVA.

TESAR works in accordance with the EN ISO 9001: 2000 quality system in all its processes and designs, manufactures and tests all its products in accordance with its quality system.

In addition to the test certificates conforming to the TESAR IEC 60076-11 standard, the GOST-R (Russia), EDPC (Portugal), FEL (Poland), IE (Croatia), DEWA (Dubai), ADWEA (Abu Dhabi), Kahramaa (Kuwait) certificates.