011 496 1402 info@edsups.co.za

About us

EDS UPS has been at the forefront of uninterruptible power supplies in southern Africa, offering the most reliable rotary and static UPS systems for total power protection in African conditions.


EDS UPS was established in 1983 as Engineering Data Systems, specialising in the then little-known field of Uninterruptible Power Supplies (UPS). Steven Yap took over EDS in 1989 and as managing director for the past 30 years has shaped the company into a dedicated group of engineers and technicians who know UPSs inside out.

EDS UPS has been at the forefront of uninterruptible power supplies in southern Africa, offering the most reliable rotary and static UPS systems for total power protection in African conditions.

EDS UPS is committed to service excellence and has an exceptional team of highly qualified engineers who regularly upgrade their skills with factory training in Germany and Turkey. Our technical expertise and specialised knowledge of UPS systems gives us the edge in custom designing systems to meet specific industry demands.

We have provided major corporations and some of the biggest names in commerce and industry in sub- Saharan Africa with state-of-the-art power protection.


The company, based in Johannesburg and Durban, is a tightly-knit group of skilled technical and administrative staff, who enjoy working together, providing the best service possible to every client and also… having fun!


We are certified to assist you in all your UPS needs.

BEE Level 1 Certificate

We hold the highest level attainable for SA’s Broad-Based Black Economic Empowerment index




We are a service driven company dedicated to providing the highest level of support and service to our clients from choosing the right system through to deployment.


Legrand SA appoints EDS UPS as an official Legrand UPS System Partner

Top from left: Rudolf Keller (Sales Manager-EDS), Steve Yap (Director-EDS), Johan Bosch (General Manager-Legrand), Marc Naidoo (Business Unit Manager-Legrand), Trevor Wiggett (Sales Engineer-EDS) Bottom from left: Mike Worthington (Branch Manager DBN-EDS), Marius Labuschagne (Technical Manager-Legrand), Anthony Louro (Projects Specialist-EDS), Jeff Leonard (Sales Engineer-EDS)

Legrand – specialists in electrical and digital building infrastructures – has appointed Engineering Data Systems SA (EDS UPS) as official Legrand uninterruptible power supply (UPS) systems partners.

EDS UPS, with strong technical capabilities in servicing and supporting UPS systems locally and throughout Southern Africa, is now authorised to supply, install and commission single phase and three phase Legrand UPS systems.

According to Legrand, dependable tier level 1 UPS support – such as downtime responses, critical alarm remediation and the back-up of reliable spares – is an essential requirement for continued operations in many industries. Typical sectors include mining, healthcare, banking and hospitality, as well as data centres and small and medium enterprise servers.

Legrand’s commitment to ongoing investment – not just in the South African economy, but also to nurturing specialised installation partners – addresses key strategic verticals of the Legrand Group. 

The company’s extensive range of UPS systems ensure maximum continuity of service of essential electrical equipment, by providing reliable performance in terms of power and back up time, particularly during electrical network disturbances like load-shedding.


Internationally renowned for high performance power protection systems, Piller is a subsidiary of the global engineering group, Langley Holdings plc.  It has a comprehensive product range providing power solutions for every application in both rotary and static UPS. It also manufactures special application products including Aircraft Ground Power Supplies, Marine Power Supplies and static transfer switches.

The Legrand Group are global specialists in electrical and digital infrastructures offering high-value products and solutions for commercial, residential and industrial buildings.  They have a presence in nearly 90 countries, employing over 38,000 people. In UPS terms, Legrand offers a formidable range of single and three phase static UPSs.

Inform Electronic, one of the leading European power solution specialists, was established in 1980 with the aim of designing and building industrial electronic systems.  It was acquired by Legrand in 2010 and is the largest UPS manufacturer in Turkey, supplying a wide range of specialised UPS solutions.

An innovative range of UPSs, POWERWISE+ is exclusive to EDS UPS.  Currently available in single phase and three phase options, in both modular and monolithic configurations.  Speak to our specialised sales staff to select the right UPS for your needs.


 Vodacom Tanzania
 First National Bank

  Clover S.A.
  Coca Cola


 King Shaka International
 O.R. Tambo International
 Airports Company of South Africa

“EDS has strong technical and engineering capabilities … They are focused on getting the job done and done right.  I would have no hesitation in recommending them. ”    Engineer, Taemane Consulting.

“Citi has found the 24-hour service of EDS to be professional in every aspect.”    Mechanical and Electrical Manager, Citi Bank Realty Services.

“ We have found these Piller units … to be extremely reliable and the professional service offered by EDS beyond reproach.  The EDS team that services our units during our annual shutdown are well organised, reliable and professional.”    Engineering Manager, Belgotex.


Installed  400 Kva Apostar Premium Static UPS

“EDS was extremely helpful and professional and kept us in the loop each step of the way. We have not experienced any issues and highly recommend them for any business wanting to install such equipment. This quality UPS system has been an invaluable part of our business with all the loadshedding and dips in power the country has been experiencing.”     Director, Remata Specialist Printers.


Pinetown: 4 x 300 kVA Static UPS units

Queensburgh: 2 x Systems each comprising 3 x 300 kVA Static UPS units, 1 x 625 kVA Rotary UPS

Port Elizabeth: 1 x 625 kVA Rotary UPS, 1 x 800 kVA Rotary UPS

“The value of the contract was approximately R15-million. Clover is very satisfied with the quality of the product and installation that was delivered.”  Group Manager, Clover SA.

Installed — 2 x 500 kVA, 2 x 200 kVA & smaller UPSs

“ EDS has shown a mature professionalism … proof they are more than a Service Provider but a partner … I will recommend EDS products and services to any company who wants to achieve a peace of mind and ensure business continuity.”  Manager – Electrical, King Shaka International Airport.