Range of SIL4 safety critical relay (vital) Nuclear-energy, Railway

CLEARSY vital RS4.DIN.202.24V safety relay featuring 2 NO contacts guaranty on opening with a SIL4-level is a success.

Energy/nuclear Nuclear-energy

CLEARSY designs and realizes its own systems, hard-wired or programmed, and assists the main Energy manufacturers: EDF, CEA, Areva TA, […]

CBTC Railway

CLEARSY has extensive experience in automatic rail traffic control systems


CLEARSY’s activities in this sector are focused on the safety of embedded software and the diagnosis of automotive systems.

Platform screen doors control systems Railway

CLEARSY has developed several safety critical systems controlling the opening and closing of platform screen doors installed in metro stations.

Accessibility and passengers protection Railway

CLEARSY skills in the detection field (radar, laser, infrared) and railway, allow to realize a lot of new systems for new needs.

Formal approach for critical systems Railway

Since its creation in 2001, CLEARSY has taken the challenge of using formal methods for the design and buidling of safety critical systems.


CLEARSY's know-how is particularly appreciated in the military sector.

Need a custom-made system ?

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