Safety Products

Safety Products

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HR1S-AK Safety Relay Modules

Four transistor outputs.


  • Removable terminal block (HR1S-AC5121P) allows for easy module replacement.
  • Can be connected to light curtain.
  • Fault diagnosis function with dual safety circuits.
  • Internal relay operations can be monitored with LED indicator.
  • Finger-safe protection
  • 35-mm-wide DIN rail mounting
  • EN, IEC compliant.
  • TUV NORD approved.
  • UL listed, CSA approved.
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APEM GmbH (Niederlassung Hamburg)
Sportallee 8
22335 Hamburg
Tel: +49-40-253054-0