
Railway solution
The priorities of our engineering teams have always been to advise and listen to our clients, providing a railway solution that is safe, robust, innovative, and sustainable.
- High quality standards for all products and services (ISO 9001)
- Sustainable solutions for a better world (ISO 14001 – EcoVadis)
- Dedicated to the railway market
- Perfectly fitting your needs
- DDL9000 – DC catenary protection relays, up to 3kV
- DFF9000 – AC leaking on DC network
- Fully digital (embedded web server, IEC 61850-8-1 MMS, Modbus)
- PDZI9000 – Catenary protection relay for 25kV AC and 2×25kV AC for traditional and high-speed trains
- PGT9000 – Transformer group protection
- Fully digital (embedded web server, IEC 61850-8-1 MMS, Modbus)
- Patented technologies for parallel railway protection
- SNCF Réseau
- Eurotunnel
- KORAIL
- STIB
- ONCF
- AURIZON
- …
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AC/DC protection relays

AC protection relays
- PDZI9000 – AC catenary protection – 25 kV or 2×25 kV
Protects the catenaries on 25 kV or 2×25 kV 50/60 Hz networks
- PGT9000 – AC transformer group protection
Protects fixed electric traction installations responsible for the power supply on 25 kV or 2×25 kV 50/60 Hz networks
- LDN2 – Location of catenary faults
- DPR800 – Pumping effect detector
- NP900 Series – IEC 61850
- AP900 Series – Arc flash protection relays
DC protection relays
- DDL9000 – DC catenary protection – Catenary voltage up to 3 kV
Protects the fixed electric traction installations responsible for supplying catenaries with direct current up to 3 kV
- DFF9000 – DC fundamental frequency detector
Monitors the presence of the AC fundamental frequency (50/60 Hz)

They trust us…




Railway services
Our commitment to quality standards (ISO 9001) and sustainable solutions (ISO 14001 – EcoVadis) ensures that our products and services meet your expectations. Focused on the railway sector, we provide solutions perfectly tailored to your specific needs.

Studies
Engineering

Training

Installation
Maintenance & control

Installations
On-site interventions

After-sales
AC/DC protection relays

AC protection relays
- PDZI9000 – AC catenary protection – 25 kV or 2×25 kV
Protects the catenaries on 25 kV or 2×25 kV 50/60 Hz networks
- PGT9000 – Protection groupe traction AC
Protects fixed electric traction installations responsible for the power supply on 25 kV or 2×25 kV 50/60 Hz networks
- LDN2 – Location of catenary faults
- DPR800 – Pumping effect detector
- NP900 Series – IEC 61850
- AP900 series – Arc flash protection relays
DC protection relays
- DDL9000 – DC catenary protection – catenary voltage up to 3 kV
Protects the fixed electric traction installations responsible for supplying catenaries with direct current up to 3 kV
- DFF9000 – DC fundamental frequency detector
Monitors the presence of the AC fundamental frequency (50/60 Hz)

They trust us…




Railway services
Our commitment to quality standards (ISO 9001) and sustainable solutions (ISO 14001 – EcoVadis) ensures that our products and services meet your expectations. Focused on the railway sector, we provide solutions perfectly tailored to your specific needs.

Studies
Engineering

Training

Installation
Maintenance & control

Installations
On-site interventions

After-sales





