Powertech Transformers

Primary contact

Contact: Leon Schultz
e-Mail: leon.schultz@pttransformers ...

Secondary contact

Contact: Jacqui Burn
e-Mail: info@pttransformers.co.za

Company details

Parent company:Powertech
Key sector/s:
  • Electricity
  • Power
Tel:+27 (0) 12 318 9911
Fax:+27 (0) 86 524 4675
Postal address:

P O Box 691, Pretoria, 0001


Company profile

Powertech Transformers (PTT) consists of three world class operations involved in the design, manufacture, installation and commissioning of transformers.

PTT is 80% owned by Power Technologies (Pty) Ltd (Powertech), the largest power-electrical group in Southern Africa and 20% owned by Power Matla (a local black empowered company). 

Product & services

Powertech Transformers (PTT) supplies a full range of transformers, from generator step-up to transmission and distribution transformers. The range includes three-phase and single-phase units, auto-transformers, arc-furnace, locomotive and traction transformers, miniature sub-stations, NECRT’s as well as shunt reactors. PTT has also recently entered into the renewable power market.

All operations carry ISO certification. Both the Pretoria and Cape Town operations have ISO 9001 -2008 quality, ISO 14001 – 2004 environmental, and OSHAS 18001-2007 health and safety certifications. The Johannesburg operation has the ISO 9001 – 2008 quality certification.  Recently the Pretoria operation’s ISO 14001-2004 and OSHAS 18001-2007 health and safety certifications were recertified.

The Pretoria West facility includes a laboratory, which has been in existence since 1973. The main activities are testing of materials for transformers and calibration of instruments. The testing of transformer oil is very important and this service is also offered to external companies. The laboratory has SANAS accreditation IEC 17025: 2005 for competence of testing and calibration laboratories and calibration work is performed in-house. 

PTT also offers a 5 day transformer manufacturing and design training course at their Pretoria West factory.

PTT has also developed an after sales service division which offers complete peace of mind for our customers.  Services include maintenance of their transformers and related equipment for an extended period specific to each and every customer.

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