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The Ashcroft® PT NEMA explosion proof temperature switch is designed for use in harsh applications where hazardous approvals and uncompromising safety is required. The PT switch proven technology provides a stable, long-lasting product that can be used over a wide range of temperatures. It is field proven for extreme reliability and is ideal for pressure control, shutdown or alarm operations in hazardous locations.
Unit of Measure

Specifications

Brands

 N/A Ashcroft®
Setpoint Repeatability (Accuracy)1 N/A ±1 % of Span
Setpoint2 N/A Dual Setpoint, Fixed Deadband Single Setpoint, Adjustable Deadband Single Setpoint, Fixed Deadband

Deadband

 N/A Fixed Adjustable

Enclosure Ratings

 N/A National Electrical Manufacturers Association (NEMA) 7/9 Ingress Protection (IP66)

Enclosure Material

 N/A Epoxy Coated Aluminum

Electrical Termination

 N/A 3/4 in. NPT Female Conduit Connection 1/2 in. NPT Female

Optional Electrical Termination

 N/A M20 x 1.5

Direct Mount Stem Lengths

 N/A 2-3/4 to 24 in
Remote Mount Capillary Lengths3 N/A 5 to 25 ft

Direct Mount Wetted Material

 N/A 316 Stainless Steel

Remote Mount Bulb Capillary Wetted Material

 N/A 316 Stainless Steel

Spiral Armor Wetted Material

 N/A 302 Stainless Steel

Process Connection Size

Direct Mount Pressure Connection Size (National Pipe Thread (NPT) Male)

 N/A 1/2 in

Optional Remote Mount Pressure Connection Size (National Pipe Thread (NPT) Male Bushing (XBX))

 N/A 1/2 in

Pressure Ranges

Pressure Ranges

 N/A 40 ºF to 60 ºF through 500 ºF to 750 ºF

Key Features

Key Features

 N/A
  • Adjustable Setpoints from 15%-100% of range (from -40 ºF to 750 ºF )
  • Fixed or Adjustable Deadbands
  • Single or Dual adjustable setpoints
  • 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
  • UL and CSA hazardous approvals
  • CE approved

Applications

Applications

 N/A Process Market:
Refineries
Chemical and Petrochemical Plants
Steel Mills
Water and Sewage Treatment Facilities

Industrial Market:
Pumps, Compressors and Turbines
Boilers and Burners
Reverse Osmosis Systems / Filters
  • 1 Additional setpoint shift of ±1% of range per 50 ºF from initial setpoint set at 70 ºF typical.
  • 2 Setpoints - factory set or field adjustable
  • 3 (5 ft. increments) Consult Factory for longer lengths.