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AFU Mine Signal Switches

AFU mine signal switches from Eaton's Crouse-Hinds Division are used for signaling circuits or for manual remote control of magnetic motor starters in non-hazardous areas of mines or process industry facilities where a rugged enclosure is needed for protection from falling ore and other material or dripping water.

AFU switches are mounted on walls or in shaftways and actuated by pulling the line or cable attached to the loop at the bottom of the unit.

AFU Mine Signal Switches

Certifications and compliances

  • NEMA 3


Design features

  • Sturdy raintight enclosure with heavy mounting lugs
  • Wires enter enclosure through clearance holes in the underside
  • Switches are actuated by a spring loaded plunger which returns to the normal position when the operating force is removed
  • Units are furnished with heavy duty motor control pushbuttons; several of these may be interconnected electrically for remote control of a magnetic motor starter from more than one location

Standard materials

  • Enclosure – Feraloy iron alloy
  • Plunger – steel
  • Loop – bronze
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