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Conveyor belt control, alignment and signal switches

IEC AFU Conveyor Belt Trip Switches

IEC AFU conveyor belt trip switches from Eaton's Crouse-Hinds Division provide an emergency or normal STOP switch for conveyor lines, cranes, unloaders and bulk handling systems.  They are installed in the control circuit of magnetic motor starters to shut down motor-driven conveyors or other machinery when switch is actuated.

IEC AFU switches are certified for Zone 21 and 22 hazardous areas, and are commonly installed in steel mills, mining, ore and coal handling operations, automotive and assembly lines, warehouses and loading docks.

Certifications and compliances

  • IEC/SANS 60079-0 2005 Ed. 3
  • IEC/SANS 60079-1 2004 Ed. 3
  • IEC 60947-5-1
  • Zones 21 & 22
  • IP66

Design features

  • Single and double ended units for emergency shutdown of conveyor systems
  • Pulling the cable activates the switch and rotates the yellow flag, providing visual indication of shutdown location
  • Maintained action utilizes normally open and normally closed contacts to shut down conveyor belt and signal alarm
  • Slack condition available to ensure cable is under tension and not damaged/cut
  • Heavy duty cast enclosure provides protection in harsh and rugged environments

Standard materials

  • Enclosure – copper-free aluminum
Specifications
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