Safety relays

Complete monitoring of safety switches and emergency stop pushbuttons

Your Benefits

  • Complete monitoring and evaluation of sensors
  • Offers all needed contact paths in a compact form
  • Fast diagnostics via status information reduces downtime
  • Fast, tool-free exchange via coded, plug-in screw-type terminals
  • Combines the advantages of classic relays and easy circuitry


Complete monitoring of safety switches and emergency stop pushbuttons

The UE43-3MF safety relay monitors all safety switches and emergency stop pushbuttons, via cross-circuit detection, sequence monitoring and discrepancy time monitoring.

At a glance
  • Evaluation unit for emergency stop pushbuttons and safety switches
  • Cross-circuit detection and sequence monitoring at the dual-channel input signal
  • Discrepancy time monitoring is possible
  • 3 safety outputs, 1 application diagnostic output
  • Manual or automated reset
  • External device monitoring (EDM)


Technical overview

  • Technical data overview

    Technical data overview

    ApplicationsEvaluation unit
    Safety integrity level

    SIL3 (IEC 61508)

    SILCL3 (EN 62061)

    CategoryCategory 4 (EN ISO 13849)
    Performance levelPL e (EN ISO 13849)
    Sensor monitoring

    Discrepancy monitoring

    Sequence monitoring

    Cross-circuit detection

    Typical response time50 ms
    Number of enable current contacts3
    Housing width45 mm
All technical data can be found accompanying the individual product