INTERFACE Safety - Simplicity means safety
The wide range of PSR safety relays is capable of fulfilling extremely high requirements as regards emergency stop, emergency off, safety door circuits, light grids and two-hand control system monitoring.

These are some of the outstanding features of the safety relays from Phoenix Contact:
- Easy integration and handling
- Compact, space-saving design
- Top quality, safety and reliability
- Universal applicability on the basis of all relevant approvals

Safety relay for emergency stop, emergency off, safety door circuits, light grids and two-hand control systems
Easy and problem-free installation of safety parts is absolutely indispensable for automation solutions in machine and system engineering.
The PSR safety relays from Phoenix Contact reduce your project planning and installation costs.
- Universal application - through application-related use
- Convenient configuration - via external device wiring
- Faster installation - through innovative connection methods

Modular safety relay with easy system wiring
- Multifunctional master for monitoring various safety-related signals - also applicable in stand-alone modules
- Programming or additional switch settings not required
- Easy extension via input and output modules
Additional cross-wiring for further output contacts is no longer required thanks to automatic guiding of signals via the PSR-TBUS connectors.

Configurable safety relays for downtime and speed monitoring
Thus, functions such as safe stop or safely reduced speed of a machine or a system when the safety door is open are realized.

Can be used worldwide
- EN 954-1, ISO 13849-1 and IEC 62061 for machine and system engineering
- IEC 61508 for the process industry
- Germanic Lloyd (GL), for use in shipbuilding and offshore systems
- EN 50156-1 (safety level 3), for use in combustion plants, steam generators, waste heat boilers, rotary furnaces and hot gas generators
- In addition to the certifications mentioned, the PSR safety relays also fulfill other important international certifications


