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


The modular PSR safety relay system with PSR-TBUS connection saves space in the control cabinet, simplifies wiring and minimizes storage costs.
  • 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.

Modular safety relay with easy system wiring



Configurable safety relays for downtime and speed monitoring


Configurable safety relays for downtime and speed monitoring
Special PSR modules are available for speed and downtime 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


In addition to relevant certifications, the PSR safety relays also have other important certificates and are constantly developed as per the current standards.
  • 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
INTERFACE Safety from Phoenix Contact is applicable worldwide



Further information and services related to this article