Kirloskar transformers are designed and tested to the following standards: distribution and power transformers: is: 2026, bs: 171 & iec: 76 converter transformers: is: 4540, iec: 146 & ieee: 444 furnace transformers: is: 2026 system earthing transformers: is: 3150 & bs: 4944 the company is capable of manufacturing transformers to any other standards as per customers'consultants' requirements.