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All Categories > Hercules Potentiometer - 2 Auxiliary Contacts > Item # 500-A2H  

Item # 500-A2H, Hercules Potentiometer - 2 Auxiliary Contacts

This foot switch is designed for use with variable speed motor drives and is available in selected 2 watt linear values. Specify the maximum resistance you want. Depressing the treadle rotates the potentiometer from zero to the selected maximum resistance shown below. By wiring to the third terminal it goes from the maximum resistance to zero. The treadle is spring loaded and returns to the normal position when the foot pressure is removed. A SPDT auxiliary switch contact rated at 15 Amps 125-250 VAC can be added to the control. The auxiliary switch will operate at the beginning of the treadle stroke. On special order, up to 3 SPDT switches can be added and adjusted for operation at any point of the treadle stroke. Details on switch size, weight, full shields and construction are the same as for the Hercules foot switches.



  • Driptight
  • Dusttight
  • Watertight
  • Oiltight



Model No. Description

Full-Shield-Two Auxiliary contacts


NEMA Type 1, 2, 4 & 13, EN 60529 Degree of Protection IP56

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·  Hercules Model - Full Shield Dimensional Drawing

LINEMASTER Switch Corporation · 29 Plaine Hill Road · POB 238 · Woodstock, CT 06281-0238 · USA
Tel: 860.974.1000 Fax: 860.974.0691 or Toll-Free Fax 800.974.3668
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Linemaster Switch Corporation