+91-9121685111 #5-5-35/153/3, First Floor, Prashanthi Nagar, Kukatpally, Telangana, Hyderabad – 500072
+91-9121685111 #5-5-35/153/3, First Floor, Prashanthi Nagar, Kukatpally, Telangana, Hyderabad – 500072
+91-9121685111 Plot No:5,Phase:4, Pashamylaram, Patancheru(M.D), Sangareddy (D.T), Telangana India.
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Cast Resin Dry Type Transformer

vajra trans power

Cast Resin Dry Type Transformer

Vajra Transpower Pvt Ltd supplies Cast Resin Transformers with customized features (voltage, turns ratio, taps, enclosure) as required by the client. Basically cast-resin transformers encase the windings in epoxy resin. These transformers are easy to install since they are dry, without cooling oil, and so require no fire-proof vault for indoor installations. The epoxy protects the windings from dust and corrosive atmospheres. 

Cast Resin Transformers are ideally suited for environments that demand the highest level of safety like Healthcare, Tech. Parks, Commercial Centers, Airports, Railway Stations, Underground Substations, Indoor Substations, Hospitals, Theaters, Metro Stations, Power Plants , Residential Apartments,  etc. Vajra Transpower Pvt Ltd designs cast resin transformers as per IS:11171 & IEC:60726 standards.


Power Capacity: 63kVA-20,000kVA

Voltage class: 11kV, 22kV, 33kV

Type of cooling: AN or AF

Enclosure Degree of Protection : IP00, IP20, IP23

Insulation: F, H

Fittings and Acessories:  

    • Off circuit tap links
    • On Load Tap Changer
    • Winding Sensors with Scanner


  • Zero Maintenance 
  • Environmental Friendly
  • Non-Hygroscopic 
  • Compact Design 
  • No Liquid Dielectric 
  • Fire Retardant 
  • Non Polluting 
  • Closer Installation to Load
  • Indoor and Space Saving 
  • Good Aesthetics 

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Why Us?

We are one of the major transformer manufacturers in Hyderabad with extensive experience in the electrical industry. Our products are uniquely designed with the latest and advanced technologies and certified from various national standards along with the proven and greater safety measures.

Key Features

High-end model transformers that perform efficiently.

Experts in providing the robust and long-lasting transformers.

Top priority in offering cost-effective electrical solutions.

Follow the best global quality standards and manufacturing techniques.

Our Team

We proud to announce that we are mentored by one of the senior mentor Mr. Dr A VENKATESWARA RAO who has 4 decade expertise in creating various companies and founder of SERVOMAX brand. It is the only true INDIAN brand created by him & he is a founder for Servomax India Limited. our company guarantees the international quality & state of the art technology in our products.