Safety light curtains

Your Benefits

  • Modular, expandable housing design: flexible adjustment to various protective field heights
  • Simple, time-saving machine integration due to a versatile range of mounting options
  • Direct mounting without brackets for a quick solution
  • Innovative adjustable brackets for an efficient alignment for mounting situations without suitable machine frame
  • Fast, streamlined commissioning with a 4-pin M12 connecting cable
  • Cost-efficient solution for small machines


SICK's new mac4 safety light curtain features an expandable modular design that can be used in a variety of different machines. The mac4 is based on a modular housing concept and an innovative combination of base, extension and end modules. No blind zone restrictions and a versatile range of assembly options enable the mac4 to be seamlessly integrated into machines. Featuring the simplest of functions and yet the maximum level of protection, PL e, the mac4 is an ideal cost-efficient solution for protecting small mounting stations. The two resolutions 17 mm and 30 mm offer reliable detection with protective field heights of up to 1,050 mm and scanning ranges of up to 3.2 m.

At a glance
  • Type 4 (IEC 61496), SIL3 (IEC 61508), PL e (EN ISO 13849)
  • Modular, expandable housing design with reliable ABS plastic
  • No blind zones
  • Protective field heights between 210 mm and 1,050 mm
  • Scanning range: 0.4 m to 3.2 m
  • Resolution: 17 mm and 30 mm
  • Direct mounting or with alignment brackets
  • Adapter for laser alignment aid AR60