Everything for the Energetics from one source

Medium and High Voltage Devices

Medium and High Voltage Switching and Protective Devices; Power and Instrument Transformenrs; Insulators; Accessories for MV and HV installations, substations and transformer substations; Overhead transmission lines equipment

Low Voltage Devices

Low Voltage Control, protection and Switching Devices; Measurement and testing Equipment; Direct On Line starters, Motor protection and Low voltage AC drivers; Switchboards; Lighting and accessories; Tools

Cables and wires

Low and High Voltage Power Cables; Control and Communication Cables; Flexible Rubber and PVC Cables; Installation Cables and Wires; Uninsulated Cables for overhead lines; Flexible Copper Uninsulated Cables; Enameled Copper Wires for Windings

Cable accessories

Heat-shrink, Cast resin, Plug-in and Contrax Technology Cable Joints; Heat-shrink and Plug-in Cable Terminations; Cable tapes; Cable Preparation Tools; Heat shrink elements; Metal Connectors and Shoes; Cable Fixing Systems

Insulating Materials for Energetics

Specialized electrical insulating materials: Insulating papers, sheets, tubes, tapes; Transformer oil

Safety equipment

Protection devices in electrical systems; Protection against mechanical and chemical agents

Power System Testing Solutions

Testing Systems and Equipment for Primary and Secondary Tests in Energetics

Railway catenary equipment

Medium voltage 25kV Materials and Equipment for the catenary; Railway Infrastructure Materials; Medium Voltage Equipment for Base Section Posts (BSP); Compact Substations; Substations

Reconstruction and electrification of the Plovdiv-Svilengrad railway line

Reconstruction and electrification of the railway line Plovdiv - Svilengrad, Phase 4.2 - Reconstruction and electrification of the railway section Harmanli-Svilengrad

Enstruster- Railway Infrastructure Association 2011 (PORR BAU)

Learn more


„… The job was done successfully and on time. The staff includes professional electrical engineers and skilled workers who assure english communication skills. All the relevant design documents were prepared in both English and Bulgarian languages. We recommend Contragent 35 Ltd as a reliable subcontractor for the above services and works.“
G. Sabbini
Project manager
Parvomai-Svilengrad-Greek/Turkish Borders Railway Electrification Project - Phase 2
… The activities have been professionally performed within the terms specified in the contract, accompanied by all the necessary documents and in accordance with the requirements of the Assignor. The company has a professional team of specialists. "
A. Andonov
Mini Maritsa Iztok EAD
… The achieved results and the professional experience, technical and organizational capabilities shown by the Contractor's teams allow us to give a high assessment of their work and to recommend them as a correct partner."
Kozloduy NPP, Bulgaria
© 2020 Contragent 35. All rights reserved. Studio ITTI - Web design, website development, CMS/ERP systems