RTAS-EP Ambient Sensing Thermostat (for Hazardous Areas)


The RTAS-EP is an ambient-sensing thermostat, which is generally used for freeze protection with self-regulating cable in hazardous areas. The RTAS-EP is a modified version of the model RTAS, which utilizes a sealed switch. Since this switch has no exposed contacts it is approved for use in Division 2 Hazardous Areas.

  • NEMA 4X Enclosure
  • Pipe Mountable
  • Voltages: 120 – 250V
  • Rated for Class I, Div. 2 areas
  • Switch Rating: 11-Amps, SPDT
  • Factory Preset: 40F

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  • Pipe Heating
  • – Freeze Protection


  • Tank / Vessel Heating

Technical Resources

Literature: L-128-4

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Installation: PJ453-7

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