• Email: info@vajratranspower.com

  • +91-9121685111
  • 040-48591299

Oil cooled transformer

Distribution transformers, the name itself indicates its functionality, that is they are used to distribute the power voltages as per the specific requirements to the end users. To ensure the correct usage of electricity it steps down the voltage it means the high distribution voltage levels are decreased down to end-use voltage levels.

Are you looking for the best distribution transformer manufacturers in Hyderabad? Here is your top solution, Vajratranspower is one of the best electrical transformer suppliers to reach out. We offer a wide variety of distribution transformers that include oil type transformer, dry type transformer, and OLTC distribution transformers. The oil-cooled distribution transformers are specially designed to fit the latest requirements of new installations, and as well as replacements. They ensure precision, minimum noise, and optimum performance, which are fabricated with high-grade raw materials such as conductors, boards, mineral oil, and other tools. The oil used in our transformers has excellent insulating properties and it is stable even at high temperatures.

As we are one of the recognized distribution transformer manufacturers in Hyderabad, and under oil cooled distribution transformers category, we have a bulk range of products that include 25 KVA power transformer manufacturer, 40 KVA power transformer manufacturer, 63 KVA power transformer manufacturer, 100 KVA power transformer manufacturer, 125 KVA power transformer manufacturer, 150 KVA power transformer manufacturer, 200 KVA power transformer manufacturer, 500 KVA power transformer manufacturer, 750 KVA power transformer manufacturer, 1600 KVA power transformer manufacturer, and we are the top-listed 2.5 MVA power transformer manufacturer.

Off-circuit tap changer to provide +5% to -5% in steps of 2.5% (or as specified by customer)
On-load tap changer to provide +5% to -15% in steps of 1.25% (or as specified by customer)
Phase 50 Hz in voltages of 11 KV, 22 KV and 33 KV
Continuous duty
Painting as per IS / IEC standards
Vector group Dyn 11
Standard fittings as per IS: 2026 / IEC 76 / BIS 1180
HV side cable box/Bare Bushings
LV side cable box / bus duct

1. Design conforms to BIS 1180 & IS:2026, BS 171, IEC 76 and other relevant standards

2. Latest manufacturing techniques to ensure cost effectiveness and reliability

3. Designed for 25 years of trouble – free performance

4. Very low power loss and low noise

5. Optimum utilization of active materials for sleek design

6. Withstands electrical impulses, thermal and dynamic stresses

  1. Tube Mills                                                              Cold Storage
  2. Telecom Centers                                                   Clubs
  3. Rice Mills                                                               Pharmaceuticals Units
  4. Rolling Plants                                                        Residential & Commercial
  5. Educational Institutions                                      Food Processing Unit

1. 6.6 KV, 11 KV, 25 KV & 33 KV

2. Upto 30 MVA

3. Lowest Capacity is 5 KVA



  • 1. Cooling Tubes/Radiators/Corrugated Tanks
  • 2. Pole Mounted / Ground Mounted
  • 3. Free Breathing / Hermetically Sealed
  • 4. CSP / Non CSP
  • 5. Winding-Copper/Aluminium Foil/Rectangular Wire/Round Wire
  • 6. Fittings and Accessories, Cable Terminations etc

Vajra Transformers are designed and tested as per IS: 2026, BS-171, IEC-76 & IEC-726.

A Standard Vector is Dyn 11.

Are made as per the Site Requirement

Our Offerings

2.5 MVA

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.



To consolidate and create global presence and to become a leading manufacturer and solution provider for transformer requirements and to have 50% annual growth rate year by year.


To emerge as a trusted solution provider for all types of transformers and to conduct our business professionally, to become an employee driven company and to have, best interactive customer relationship.

Quality Policy

Quality is our priority. We maintain quality in Management, Manpower, Machinery, Testing equipment, Testing Processes and Manufacturing Processes. Thus quality product is delivered.