SI-QS75 & SI-QS90 Plastic Style Switches


  • Features flat-pack style design for limited space requirements
  • Allows actuator engagement from four sides or four top positions with rotating head
  • Offers SI-QS90 models with one of these safety output configurations:
    • One normally closed (NC) and one normally open (NO) contact
    • Two normally closed (NC) contacts
    • Two normally closed (NC) and one normally open (NO) contacts
  • Offers SI-QS75 models with one normally closed (NC) safety contact configuration
  • Provides choice of three standard actuators
  • Features optional high-extraction-force (50 newtons) actuator
  • Constructed of rugged glass reinforced thermoplastic with steel actuator
  • Includes hardware adapter for 1/2" - NPT conduit entry point
  • Designed to achieve safety category 4, per ISO 13849 when properly interfaced with a controller


Data Sheets

Document Name Part Number File Size Download
1. SI-QS75 and SI-QS90 Flat-Pack Style Safety Interlock Switch 49370 Download
2. SI-LS83 and SI-LS100 Limit-Switch Style Safety Interlock Switch 59622 Download

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