Star Delta Transformers (SDTL) is a leader in the manufacturing, supplying, erecting, testing and commissioning of Power and Distribution transformers. SDTL is an ISO 9001-2008 certified company and follow structured processes for the entire business processes right from the basic design to manufacturing and installation as its continuous drive towards total Quality Management Systems.

SDTL has been enhancing its capabilities in infrastructure and production capacity regularly and currently has an authorized annual manufacturing capacity of more than 1000 MVA. The company has also entered global markets with exports to countries like Azerbaizan, Myanmar, Afghanistan, etc.

Established in the year 1980 Star Delta Transformers is known for excellence of its services in the field of manufacturing electrical transformers for power & distribution.

The company’s Transformer Testing Lab is certified by National Accreditation Board for Testing and Calibration Laboratories (NABL) in accordance with ISO/IEC 17025:2005 “General Requirements for the Competence of Testing & Calibration Laboratories”, ensuring world class Quality Assurance System. SDTL has obtained Bureau of Indian Standards (BIS) licenses upto Energy Efficiency Level -3 Aluminium Wound Three phase Outdoor Type Distribution Transformers as per latest IS: 1180:2014.

Business of the company

The company is engaged in the business of manufacturing, supplying, erecting, testing and commissioning of Power and Distribution transformers.

Products of the company

• Single Phase Transformers
• 3 Phase Distribution Transformers
• Power Transformers
• Extra High Voltage
• Turnkey Projects
• Special Purpose Transformers