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IEC AFA Conveyor Belt Alignment Switches

Crouse-Hinds series IEC AFA Conveyor Belt Alignment Switches are used as an emergency or normal STOP switch for conveyor belts whenever they become misaligned or run off their tracks due to excessive speed, uneven load, leveling, breakage and/or other problems.  

Certified for use in Zone 21 and 22 hazardous areas, common applications include steel mills, mining, ore and coal handling operations, automotive and assembly lines, warehouses, loading docks and grain loading and handling.

Certifications and compliances

  • IEC 60529 2001 Ed. 2.1
  • IEC 61241-0 2004 Ed. 1
  • IEC 61241-1 2004 Ed. 1
  • SANS 60529 2001 Ed. 1.01
  • SANS 61241-0 2005 Ed. 1
  • SANS 61241-1 2005 Ed. 1
  • Zones 21 & 22
  • IP65

Design features

  • Switches are positioned on both sides of the conveyor to provide protection for misaligned belts
  • Installed near high risk locations every 300 meters
  • Maintained action utilizes normally open and normally closed contacts to shut down conveyor belt and signal alarm
  • Heavy duty enclosure provides protection in harsh and rugged environments

Standard materials

  • Enclosure - Copper-free aluminum
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