Belt Alignment Switches

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STEUTE's Series ZS73SR belt-alignment switches are ideal for monitoring the sides of a conveyor belt. Actuated when the belt becomes misaligned, their signal can be used to switch-off the equipment  ... or  start an automatic belt position correction process.  Each features positive-break NC contacts and mechanical latching upon actuation.  Latched contacts are released via an integral pushbutton.  Units are cCSAus -certified. 



  • EN ISO 13849-1 & EN 60947-5-1
  • Switching System: Snap-action, positive-break NC contacts
  • Contacts: 1 NC/1 NO (other contact configurations available)
  • Contact Material: Silver
  • Contact rating: 6A, 400VAC
  • Connections:  Screw terminals
  • Stainless-Steel roller
  • Rugged, enamel-finished, die cast aluminum housing
  • Ingress protection rating:  IP65
  • Operating temperature range:  -25 oC to + 70 oC
  • Mechanical Life:  > 100,000 operations
  • Certifications:  cCSAus



  • Available with key reset
  • Available with 2 NC contacts 
  • Available without latching



  • Optional LED indicator lamp