The RS4 safety relay from CLEARSY: its small size, a major advantage! Component, Safety

CLEARSY’s RS4 safety relays are used to drive the SIL4 “Closed and locked” signal interfaced with the metro platform screen […]

The new reference SIL4 safety system development platform R&D, Safety, Tools

CLEARSY presents the CLEARSY SAFETY CONTROLLER, a SIL4 ready safety controller based on the CLEARSY SAFETY PLATFORM, which has been […]

A world first: system safety reasoning is T2 EN50129 SIL4 formally proven Computer science, Offers, Safety, Tools

The activity of formal system proof consists in mathematically expressing the global properties by which system safety is guaranteed, and […]

New Lausanne T1 tramway interlocking made by CLEARSY Railway, Safety

CLEARSY is actively involved in the T1 tramway project, which will connect Lausanne to Renens in 2026, bringing its expertise […]

A new CLEARSY system based on its SIL4 safety platform Component, Metro (CBTC), Railway, Safety

CLEARSY has designed a platform screen door control system for the Brisbane Metro, an evolution of the DOF system initially […]

CLEARSY’s automatic train stop system is certified to SIL2 safety level Offers, Railway, Safety

CLEARSY’s DAAT SIL2 Automatic Train Stop system is SIL2 certified by Bureau Veritas for the Corsican Railways rolling stock renovation […]

New Lille driverless metro in service Metro (CBTC), Railway, Safety, Tools

Congratulations to Alstom on the commissioning of the Urbalis Fluence system on line 1 of the Lille metro! At CLEARSY, […]

T2 certification for Atelier B Computer science, Safety, Tools

Atelier B was designed by CLEARSY to produce safe, zero-defect software that complies with its specifications. What makes it special? […]