Heavy-Duty, EX Rated Safety Interlock Switches

Featured Product from steute

STEUTE's heavy-duty Series Ex AZM 415/AZP 415 safety interlock switches securely lock sliding or hinged doors/guards until safe conditions exist. Interlock release is by solenoid (AZM), or pneumatic cylinder (AZP). ATEX and IEC EX rated for gas Ex Zone 1 and 21. cCSAus Listed.


  • Rugged, die-cast aluminum, enamel-finished housing (7 Joule impact test)
  • Steel cover (7 joule impact test)
  • Maximum locking force:  3,500 N
  • 2 NC and 2 NO contacts
  • Slow-action, Positive-break NC contacts
  • Contact rating: 6A/250 VAC 
  • Silver contacts
  • Ingress protection rating:  IP67
  • Connection via screw terminals
  • Environmental operating temperature:  -20o C to +55o C
  • Mechanical life: > 1 million operations
  • Certifications:  cCSAus, ATEX, IEC Ex, EC, INMETRO



  • Rugged steel actuating keys for sliding or hinged guards
  • Ex Zone 22 Model available
  • Spring-to-lock or power-to-lock models
  • Emergency release or auxiliary unlocking key
  • Unlocking by pushbutton