Significant increase of demand for Energy in the World and privazitation of electrical market in our country, has increased the importance of production, distribution and transmission of electrical energy. Especially in electricity distirbution, companies have indentified strategic objectives and seek solutions in order to continously meet the demand.

To response these seeking solutions in the field of protection and control of electrical energy; RELKO – ROLESAN follows the current technology closely and continues its activities with the most innovative approaches combined with an experience of over 20 years.
Electronic, Mechanical design and production of MV, LV and HV products are carried out entirely within our organization with thinking Electricity transmission and distribution systems as a whole. For scada systems and stable relay coordination, our product range with fast response and high quality materials as follows;


  • SCADA Systems – Substation Automation, Primary & Secondary Substation System
  • Solar Modules - Solar Cells
  • Line Differantial - Distance Protection, Over Current – Feeder, Arc Protection Relays
  • Auto Reclosers - Sectionalizer
  • Bay Control IEDs
  • Energy Monitoring & Management Systems
  • Industrial Rectifiers – Battery Chargers
  • MV Toroidal Current Transformers – Low Power Current Transformers
  • Short Circuit and Earth Fault Indicators (W/WO communication)
  • Announciator (16-32-48 channels)
  • Voltage Indicators W/WO Digital Inputs
  • Obstruction Lights (Low – Medium Intensity)


World’s leading companies, NETCONTROL, BMR-Trading, ARCTEQ, FANOX, ENTEC and DAQO decided to continue their activities with RELKO - ROLESAN Energy in Turkish territory. With combining these companies high quality materials with its special products, RELKO - ROLESAN Energy supports Private companies, TEIAS and TEDAS in MV distribution, transmission and Scada projects.


Design and production of MV protection and control equipments which begin in 1997 and continued to develop according to the technological changes, makes exchange of information becaome permanent between RELKO – ROLESAN Energy, TEIAS and TEDAS. This situation provides experiencing the problems and requirements based on current conditions in the field and helps our R & D team carry out the revision of existing products or new product designs.
These experienced problems and requirements in the interconnected system structure and also vary according to each region enable us to have complete control of the MV system and created a 20 years experience.
RELKO – ROLESAN is a high class practitioner of manufactured and imported products in our energy systems and ready to find the optimum solutions and exchange these experiences to its valuable customers. 


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