021-951-2316 info@powertx.co.za


Power Transformers is a trusted, proven and established manufacturer, supplier, designer and installer of a wide range of transformers – constructed and tested to SANS 780 specifications.

The Power Transformers approach is to consult extensively with clients to determine their exact needs and requirements.  A complete system is designed and manufactured according to an agreed client brief and the project parameters.  We are an ISO 9001: 2015 company and proud of our record of delivering quality products and solutions to an established and large commercial and industrial client base.  Our be

All manufacturing takes place in our state of the art 11,000m2 manufacturing plant and warehouse equipped with the latest technology, and backed with an extensive support infrastructure and large and dedicated team of highly trained experts.

The range of transformer manufactured and supplied:


  • New oil cooled transformer design and manufacturing 10kVA to 5-MVA (1kV – 33kV). (Standard sizes and voltages kept in stock).
  • New Cast Resin Dry Type Transformer supply.
  • Intermediate voltage (1kV and 3,3kV) transformers system design, manufacturing, supply and installation.
  • Rewinding and repair of transformers 10kVA to 5-MVA (1kV – 33kV).
  • Transformer oil regeneration to SANS 555.
  • Full SABS/SANS 780 transformer test facilities.

Talk to us about your power needs.   We will consult with you, advise objectively and develop the right solution for your needs   >  


  • Providing quality packaged power solutions at the shortest lead time in the industry to commercial and industrial clients.
  • Product manufacture and supply according to the highest industry quality standards – ISO 9001 and SANS.
  • We invest in keeping large quantities of standard transformers and MV switchgear in stock – we supply quickly and provide 24/7 emergency support to ensure minimal downtime.
  • No other company in the region is able to offer the same scope and range of products and services we do – all expertise are in-house without a need for multiple contacts or contractors
  • Our dedicated departments, infrastructure and highly trained personnel allow fast, full on-site installation, service and supply capabilities.  
  • We do not sell products – our technical team partners with our clients and designs the most appropriate, cost effective systems and solutions according to their needs.