The C4000 Select Ex product family has been phased out. You will find possible successors below. If no product family is displayed, there is no 1:1 replacement.
Our sales department would be happy to assist you.

Safety light curtains
C4000 Select Ex

Your Benefits

  • Compatibility with multiple SICK safety light curtains offers maximum flexibility in your application
  • Durable design with flexible adjustment and handling of the whole device provides easy installation and alignment
  • Pre-mounted and pre-wired safety light curtains in the enclosure reduces installation time and cost
  • The IP 66 enclosure rating protects the safety light curtain from water and dust to reduce downtime
  • Highly visible LED status indicators provide quick troubleshooting
  • One source for worldwide delivery and support of complete safety solutions


The explosion-proof housing for safety light curtains is designed and approved for use in hazardous areas according to ATEX as follows: II 2 G Ex d IIB T6 Gb in the case of gas, and II 2 D Ex tb IIIC T56°C Db in the case of dust. NFPA 70/NEC 500, Class I, Div. 1, groups C and D, Class II, Div. 1, groups E, F, and G, and Class III, Div. 1 also apply. The housing is compatible with numerous SICK safety light curtains. It is suitable for use, for example, in paint booths, grain silos, facilities used in the chemical industry, etc. The explosion-proof housing and safety light curtain combination has undergone the appropriate tests and is also UL-listed. Your safety solution can, therefore, be relied upon to fulfill the necessary safety standards and regulatory requirements.

At a glance
  • ATEX for gas: II 2 G Ex db IIB T6
  • ATEX for dust: II 2 D Ex tb IIIC T56°C Db IP6X
  • NFPA 70/NEC 500 Class I, Div. 1, Groups C and D
  • NFPA 70/NEC 500 Class II, Div. 1, Groups E, F and G
  • NFPA 70/NEC 500 Class III, Div. 1
  • Available in protective field heights of 600 mm, 900 mm and 1,200 mm
  • Resolution of 30 mm
  • Scanning range of 16 m


Technical overview

  • Technical data overview

    Technical data overview

    Safety levelType 4, PL e, SIL3, SILCL3
    Resolution30 mm
    Scanning range16 m
    Protective field height600 mm / 900 mm / 1,200 mm
    Enclosure ratingIP66
    Ambient operating temperature0 °C ... +55 °C
All technical data can be found accompanying the individual product