About us

ELKOSUN is a private owned company from Maribor, Slovenia that is focusing on marketing and production of components for lighting applications that are based on magnetic technology.
Based on a long tradition of developing and producing magnetic ballasts, ELKOSUN is focusing on answering the needs of its client’s regarding magnetic products. The magnetic market is changing very fast and it is very important that ELKOSUN adapts to these changes with the requested speed. ELKOSUN has been constantly investing in organization of the magnetic ballast production, aiming to keep the best quality, while making it more flexible in answering the client’s needs.

ELKOSUN started in 2013 as a supplier of magnetic ballasts for UV lamps, mainly focusing to the sun-tanning market. In September 2013 it has acquired the OG line from Tridonic and extended its portfolio to the top quality high wattage HID ballasts. At the beginning of 2014 ELKOSUN started its own production of magnetic ballasts in Maribor, Slovenia. ELKOSUN markets its products under brands ELKOSUN, ELKO or many of its clients OM brands.

ELKOSUN provides full range of top quality magnetic ballasts for HID, fluorescent and UV lamps:

  • Standard ballasts for HS, HI and HM lamps (35-3500W)
  • Ballasts for power reduction for HS lamps (35-3500W)
  • Control gear units series KIT for HS and HI lamps (35-600W)
  • Control gear units (pulse version) series KIT for HS lamps (35-3500W)
  • Standard ballasts for fluorescent and compact fluorescent lamps (4-58W)
  • Slim ballasts for fluorescent and compact fluorescent lamps (4-58W)
  • Ballasts for UV lamps (4-2000W)
  • Standard ballasts for fluorescent and compact fluorescent lamps (4-58W)
  • Slim ballasts for fluorescent and compact fluorescent lamps (4-58W)
  • Ballasts for UV lamps (4-2000W)



Environmental Orientation

We respect the environment. In our operations we make well-thought investments into environmentally friendly products and technologies, thus contributing towards a better, smartly illuminated future. Environmental consciousness is reflected in the philosophy of our new products. They consume little energy and provide big cost savings. We are offering concrete, readily available products to those who  prefer acting for our environment.

Quality Policy

ELKOSUN is operating according to quality management system, which meets ISO 9001:2015 standard. Along with product approvals, this standard ensures the best performance characteristics of our business.
We are ISO 9001:2015 certified since December 2017.


Products Approvals

All ELKOSUN products are manufactured in accordance with international standards. Our products carry the ENEC mark, which marks compliance with the European safety and quality standards. In addition to that, some of the product ranges are approved by renowned technical-scientific associations, such as VDE and ÖVE. Besides the ENEC mark, our products also carry the CE mark. By affixing the CE marking to a product, we declare that the product is in conformity with the essential requirements of the applicable directives and that the relevant conformity assessment procedures have been fulfilled. Though the CE mark does not imply any certification by the testing authorities, by affixing it to a product, ELKOSUN assumes the full responsibility of its conformity to all applicable requirements in EU legislation.

Research and Development

ELKOSUN is focusing on magnetic technology. In its own well-equipped laboratory we can develop or upgrade any magnetic ballast required for today’s HID, FLUORESCENT and UV lamps. R&D is focusing also in getting the most energy efficient magnetic products, as well as in the technology and solutions that can improve the efficiency of magnetic products.


Elkosun d.o.o.
Tržaška cesta 23
SI-2000 Maribor

PHONE: + 386 2 330 41 12
FAX: + 386 2 330 41 59
EMAIL: info@elkosun.com
VAT number: SI46534881

Terms and conditions of use

Production & Warehouse location

Latitude: 46.534856 Longitude: 15.6474