Electricity is a continuous service. So are our systems.
Séfar Système is an Algerian systems integrator based in Algiers. We support Sonelgaz, its subsidiaries and industrial companies in the automation, protection and supervision of their electrical installations.
Discover the company
Reliability
Installations designed to current standards, tested in the workshop and then on site before each commissioning.
Expertise
Engineers trained in Schneider Electric technologies and the IEC 61850 standard, from design to maintenance.
Proximity
A team based in Algeria, available on site and for technical support throughout the life of the installation.
From the substation to the control centre
Engineering, supply, integration and commissioning: a single point of contact for the entire electrical and digital chain.
Substation control systems
Digital control systems (DCS) for MV/HV substations: architecture, configuration, testing and commissioning.
Learn more →Protocols and integration
IEC 61850, IEC 60870-5-104, IEC 60870-5-101 and Modbus: engineering, gateways and multi-vendor interoperability.
Learn more →MV and LV switchboards
Supply, assembly and connection of 30 kV / 10 kV medium-voltage switchboards and low-voltage cabinets.
Learn more →Supervision and SCADA
Operator workstations, HMI and remote control to monitor the network and act in real time.
Learn more →Industrial telecoms
Fibre-optic networks, RS-485 serial converters, industrial switches and links to the control centre.
Learn more →Renewable energy
Studies, integration and connection of solar power plants and energy storage solutions.
Learn more →
Rehabilitation of a 30 kV / 10 kV primary substation for Sonelgaz Distribution
Refurbishment of the MV equipment, power workshops and remote control, carried out while maintaining continuity of service.


