Electrical transformer substations

MV / LV substations, power factor correction

At the service of new construction or important extensions, SI.MA S.r.l. installs new medium / low voltage switch boxes strictly state of the art .

We also accompany the customer to manage all the bureaucratic part with the supplier.

The Medium Voltage (MV) and Low Voltage (LV) electrical exchange substations are a complete solution turnkey, tailor-made for our customer, thanks to our know-how and worldwide experience we can create a perfect solution for every type of request and propose engineering solutions for the generation, transmission and distribution of electricity.

We take responsibility for the entire project, from the analysis of the request to study the best solution up to commissioning and delivery to the customer.

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Tertiary and Industrial

Electrical transformer substations

MV / LV substations, power factor correction

Technical features

  • Transformers
  • Busbar distribution system
  • Grounding system
  • Electrical protection (circuit breakers, protection against direct current etc.)
  • Auxiliary services
  • Insulators
  • Easels
  • Disconnectors


  • Oil
  • Railway sector
  • Smart Grid
  • Utility on primary distribution networks
  • Photovoltaic systems
  • Wind power stations
  • Hydroelectric power stations
  • Other power generation plants
cabina-elettrica di trasformazione

Electrical transformer substations advantages

The advantages can be manifold, from cost reduction of insulation for switchboards and other electrical equipment, to future improvement of the scheme when the need arises. It also makes it easier to identification of possible failures thanks to the positioning outside the building.

Our works

Latest Projects



  • Electrical cabin


  • Electrical cabin

Our services

Electrical Systems – Industrial Automation

We create technological systems that characterize daily life.
Our company offers a reliable service, available 24 hours a day, 365 days a year, with highly qualified and professional staff.

Si.Ma srl Impianti elettrici - Automazione Industriale - logo



Administrative Headquarters

Via G. Trombetta, 147
14020, Cerro Tanaro (AT)

Operational Headquarters

Corso Alessandria, 575
14100, Asti (AT)