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M4000 Palletizer

Together with the UE403 muting switching amplifier, the M4000 Advanced Curtain safety light curtain forms an efficient solution for conventional muting applications with automated material transport. It is particularly well suited when high resolutions are required due to short safety distances. Simple configuration via PC and the on-site connection of the muting signals ensure maximum availability. Various mounting adapters and innovative accessories enable flexible installation of the device and muting sensors. Integrated functions as well as status and diagnostic information enable quick commissioning and minimize unnecessary machine downtime. The modular design allows the specific coordination of device features to requirements and provides an economical solution for high machine safety. In addition, sens: Control devices, accessories, and services complete the product offering and form packaged solutions designed specifically for industrial environments.


  • Type 4 (IEC 61496), SIL3 (IEC 61508), PL e (EN ISO 13849)
  • Rugged housing with three mounting grooves
  • 7-segment display
  • Resolution 14 mm or 30 mm, scanning range up to 19 m
  • External device monitoring (EDM), restart interlock (RES), application diagnostic output (ADO), and SDL interface
  • Beam coding for correct system allocation
  • Muting: on-site connection and processing in combination with the UE403 muting switching amplifier
  • Configuration and diagnostics via PC


Safety level Type 4, PL e, SIL3, SILCL3
Resolution 14 mm / 30 mm
Scanning range 10 m / 21 m
Protective field height 300 mm … 1,800 mm
Enclosure rating IP65
Ambient operating temperature –30 °C … +55 °C

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