Quality Lab


      PT-Series NEMA 7 Temperature…

      PT-Series NEMA 7 Temperature Switch

      PT-Series NEMA 7 Temperature Switch alarm operations

      The Ashcroft® PT temperature switch is designed for use with harsh applications where uncompromising protection is required. The features of this switch along with its field proven technology provide for a stable, long-lasting product. This is an ideal model providing safety in challenging temperature control, shutdown or alarm operations.

      Key Features:

      • Adjustable setpoints from 15%-100% of range
      • Choise of temperature ranges from -40 ... 16 °C thru 260 ... 400 °C
      • Fixed or adjustable deadbands
      • Explosion-proof enclosure
      • Dual chamber design, allows for safe field calibration of switch even
        with the power connected
      • Direct or remote reading thermal systems
      • Wide switch element selection


      • IP66 (NEMA 7/9) aluminum enclosure
      • Accuracy: ±1% full scale
      • Single or dual set points


      The PT temperature switch is ideal where accurate and reliable temperature measurement are essential:

      Process Market:

      • Refineries
      • Chemical and Petrochemical Plants
      • Water and Sewage Treatment Facilities
      • Steel Mills

      Industrial Market:

      • Pumps, Compressors and Turbines
      • Boilers and Burners
      • Reverse Osmosis Systems

      Certificates & Approvals

      • CSA
      • UL