Main business activities of the ELTRA Ltd. are:

  • assembly, maintenance and repairs of DC and AC traction lines of the state railways, tramand trolleybus lines
  • assembly, reconstructions and maintenance of electrical pre-heating, electrical heating of railway switches, lighting, lighting towers, traction powering stations of high/low tension, air and ground suplying lines of high tension ones and low tension ones
  • production, delivery and assembly of components for traction lines, their safety equipment, powering and remote control
  • industrial and other civil engineering buildings, contracting works at simple buildings and subcontracting activities, interior or building works, demolition and earthworks
  • performance of engineering activities in industrial and engineering constructions
  • performance of simple constructions and sub-deliveries, internal and external construction works, demolitions and earth works
  • deep driven piles foundationworks
  • production of composite insulators up to 35 kV, isolated rods passable or unpassable, isolated side carriers, section dividers for traction lines up tu 3 kV DC / 25 kVAC
  • production of trussed and pipe masts for railway traction lines and carrying gantrys
  • production of lightning arresters and overvoltage protectors
  • production of traction line tension gears
  • production of electrical power distributors of less than 1000V

Generally, our services are split into 4 main fields:

Traction Lines
We will make the traction line according to the customer's requirements or according to the typical assemblies of the traction line.
High Tension Works
We also focus on the supply of overhead and cable lines of high and low voltage
Buildings Foundations
Pyramidal piles are a simple, economical and very fast way of setting up a plant. We own a patent for it.
Production
Spoločnost Eltra s. r. o. vyvinula nové kompozitné izolátory, vhodné pre použitie na dráhach ako aj v distribučnej energetike.