System Accessories

Thanks to its partnerships with COET and AKTIF Elektroteknik, FRIEM is also able to provide:

logo Coet

Low Voltage and Medium Voltage disconnectors & Disconnector Switches.

  • Disconnectors for Very High current Ac applications from 1kA to 25kA and from 0,75 to 36 kV.
  • Rotary Type disconnector switches air insulated 12kV-24kV, 400A and 630A for 500mm width switchgears
  • DC Disconnectors, change-over switches 2 or 3 positions configurable with up to 6 poles.
  • DC switch-disconnectors 1000-2000-3000V; 2000-3000-4000A making capacityup to 100kA
Power supply components for Traction application (750-1500-3000 Vdc).
  • Load Brake disconnector switches 1000-2000-3000V; 2000-3000-4000A making capacity up to 100kA
  • Earthing switches
  • DC feeder switchgears Metal enclosures and Metal Clads
  • Modular Disconnecting Cubicles for indoor and outdoor applications
  • On-load Line disconnecting units complete with voltage presence device, PLC, remotely-controlled
  • Negative voltage limiting device, according to standards EN50122-1-2, making capacity 36-50-100kA, 900A Dc continuous withstand current, complete with Ac and Dc over-voltage relay and earth fault current relays.



MV switchgears, switches and isolators.

  • All the type of Medium Voltage substations from 6 kV to 36 kV
  • Metal Clad Switchgears: Vacuum or SF6 C/B type modular Switchgears form 7.2kV up to 40 kV
  • Metal Enclosed Switchgears: Vacuum or SF6 C/B type modular Switchgears form 7.2kV up to 40 kV
  • Mobile Substations: Mobile s/s are switching and control units, from 6 kV up to 170 kV, manufactured in accordance with IEC standards
  • Modular Kiosks: Metal Sheet, Prefabricated Concrete Kiosk or Mono block Concrete Kiosk
  • LV Panels: LV panels for special requirements according in line with IEC, BS or other international standards