Safety relays

This product family has been phased out!
Safety relays for two-hand controls

Your Benefits

  • Complete monitoring and evaluation of two-hand controls
  • Saves costs thanks to its application-oriented construction
  • 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


Safety relays for two-hand controls

The UE42-2HD safety relay takes over the control of the 2 pushbuttons of a two-hand control device with each pushbutton having 2 antivalent contact pairs. The safety relay controls the antivalence of the pushbuttons and monitors the maximum discrepancy time of 500 ms between both pushbuttons.

At a glance
  • Evaluation unit for two-hand controls Type III C, in accordance with EN 574
  • Discrepancy time 500 ms
  • 2 safety outputs, 1 application diagnostic output
  • Monitoring of the external actuators possible
  • External device monitoring (EDM)
  • Coded plugs for all slots


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 contacts2
    Housing width22.5 mm
All technical data can be found accompanying the individual product