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Safety relays
UE44-3SL

Compact safety relays for applications with mechanical locking switches

Your Benefits

  • Complete monitoring and evaluation of sensors
  • Time delay provides optimal protection of locked doors
  • Adjustable time delay at the front of the device (up to 30 s) makes it easy for the user to change settings
  • Fast, tool-free exchange via coded, plug-in screw-type terminals
  • Combines the advantages of classic relays and easy circuitry

Overview

Compact safety relays for applications with mechanical locking switches

The UE44-3SL safety relay protects doors that require a locking device. The relay sends safety signals to unlock a mechanically protected door and unlocks it after a certain amount of time (max. 30 s). If the door closes again, it will lock after a maximum time delay of 30 s, allowing the machine to safely start again. The third safety output, which works contrary to the two classical safety outputs, controls the release and the locking.

At a glance
  • Ideal for the evaluation of safety switches with mechanical interlocking
  • Cross-circuit detection and sequence monitoring at the dual-channel input signal
  • 2 N/O contacts for a direct integration into a machine environment
  • 1 N/O contact for magnetic release, time delayed up to 30 s
  • Manual or automated reset
  • External device monitoring (EDM)
  • Coded version for all slots

 

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Applications

Technical overview

 
  • Technical data overview

    Technical data overview

    ApplicationsEvaluation unit
    Safety integrity level

    SILCL3 (EN 62061) 1)

    SILCL2 (EN 62061) 2)

    Category

    Category 4 (EN ISO 13849) 1)

    Category 3 (EN ISO 13849) 2)

    Performance level

    PL e (EN ISO 13849) 1)

    PL d (EN ISO 13849) 2)

    Sensor monitoring

    Sequence monitoring

    Cross-circuit detection

    Delay time
    Number of enable current contacts3
    Housing width22.5 mm
    • 1) For contacts 13/14, 23/24.
    • 2) For time contacts 37/38.
All technical data can be found accompanying the individual product

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