Linemaster Hercules Foot Potentiometer

General DescriptionStandard Features

Standard Features

  • Treadle and housing made of cast iron for durability; rugged enclosure is weighty enough to prevent the switch from sliding during operation
  • Strong protective cast aluminum shield
  • Alert Orange Color Paint
  • Single 3/4″-14 N.P.T. threaded conduit entry is standard
  • May be used with variable speed motor drives and available in selected 2 watt linear values
  • Depressing the treadle rotates the potentiometer from zero to the selected maximum resistance shown below
  • Spring-loaded treadle that returns to the normal position when the foot pressure is removed
  • Auxiliary switch contact rated at 15 Amps 125-250 VAC can be added to the control
  • The switch will operate at the beginning of the treadle stroke
  • Up to 3 SPDT switches can be added and adjusted for operation at any point of the treadle stroke
  • Neoprene cover gasket with O-rings on activating shaft and a separate ground screw
  • 3 mounting holes for sturdy attachment to the floor or equipment
  • Operator may specify the maximum resistance desired


  • Special Hercules Dual Foot Pedal 1/2″-14 N.P.T. threaded conduit entry and metric sizes available to the O.E.M. on special order
  • Hercules foot operated potentiometers are available with 5,000 Ohm or 10,000 Ohm values. Other potentiometer values are available upon request or by special order. Please contact the office for availability and pricing
  • Hercules models available with cast aluminum base and covers (except unshielded cover which is gray iron)

General DescriptionStandard Features
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Linemaster Foot Pedal Potentiometer

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