Safety System ESL-AR


The new safety system ESL from EUCHNER is a multifunctional door handle for protecting and monitoring safety guards such as doors and flaps on machines and installations.

It consists of a handle and an interlocking module equipped with the proven transponder-coded safety engineering CES. The use of transponder technology ensures maximum safety according to EN ISO 13849-1 (Cat. 4 / PLe) and provides the best possible protection against tampering.

With the installed CES AR evaluation electronics, up to 20 safety systems ESL or other EUCHNER AR-version products can be connected in series. The ESL is equipped with two easily visible LEDs for status indication, permitting rapid diagnosis.



  • Simple and flexible mounting without mechanical effort
  • Lockable with removable key to protect against unintentional machine standstill
  • Robust die-cast aluminum housing for harsh environments
  • Monitoring Output
  • Diagnostic LEDs
  • Maximum safety (Cat. 4 / PLe) thanks to integrated transponder-coded safety engineering


  • Easily integrated
  • Installs in any orientation
  • Simple connection via M12 plug connector
  • Multiple ESL units can be chained in series
  • Not affected by magnetic fields


  • Environmental protection of IP67- oil and dust tight, and water resistant
  • Ambient operating temperature -20 to 55°C
  • 24VDC, 40mA consumption
  • 2 Safety PNP outputs (150mA max)
  • Monitoring PNP output (50mA max)

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