Oil Type Transformers

The robust construction of oil-filled transformers makes them suitable for the most extreme conditions

IDEF DMCR for monitoring
Plug-in Elastimold Bushings
Transportation wheels for easy movement
Multiple colour options
Lifting lugs for easy handling
Safety features IEC-60076-1

Dry Type Transformers

Discover the unmatched reliability of our cast resin transformers, specially designed to excel in even the most demanding situations.

Our Guarantees

Our commitment to delivering exceptional products and dependable service has earned us a renowned reputation. With more than two decades of industry expertise, we have established ourselves as the leading authority in our field. Should you encounter any challenges, simply reach out to us, and our team will promptly diagnose and resolve any issues, ensuring your utmost satisfaction

Fast Production and Delivery

We take pride in our swift delivery times, setting the pace in the industry. Our standard in-stock oil-type transformers can be delivered within a remarkable two-week timeframe across Europe. For non-stock transformers, our efficient production process typically ranges from 6 to 20 weeks, ensuring timely delivery of tailored solutions to meet your specific requirements.

Standards and Certificates

We uphold a steadfast commitment to excellence by strictly adhering to industry-leading standards and certifications, such as the IEC (International Electrotechnical Commission) and NEN (Netherlands Standardization Institute). Our transformers are meticulously engineered to meet the stringent requirements set forth by these esteemed organizations. By aligning our manufacturing processes with these recognized build standards, we ensure that our products consistently meet the highest levels of quality and compliance. With Protrafo, you can have complete confidence that our transformers are designed and manufactured to surpass your expectations and withstand the most demanding operating conditions.

PRO 5-YEAR Warranty

Each transformer comes with a standard 2-year warranty, which can be optionally extended to 5 years when using PROTRAFO INSIGHTS®, our advanced transformer monitoring service. We are committed to providing excellent support throughout the life of your transformer, resulting in uninterrupted performance and peace of mind.

Do you need support?

Do you require assistance or support? Our knowledgeable team is here to help. Whether you have questions about our transformers, need technical guidance, or seek personalized recommendations, we are dedicated to providing you with the support you need. Feel free to reach out to us, and we’ll be more than happy to assist you.


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