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The Ashcroft® T4 NEMA 4X temperature switch is designed for use in virtually all OEM and industrial applications. With temperature ranges from -40 ºF to 750 ºF, the T4 delivers outstanding repeatability, this switch is ideal for temperature control, shutdown or alarm operations. The T4 switch is SIL 3 Capable for safety applications.
Unit of Measure

Specifications

Brands

 N/A Ashcroft®
Setpoint Repeatability (Accuracy)1 N/A ±1 % of Span

Switch Output

 N/A Single Pole Double Throw Switches (SPDT) or 2 Single Pole Double Throw Switches (SPDT) acting as Double Pole, Double Throw (DPDT)
Setpoint2 N/A Single Setpoint

Deadband

 N/A Fixed Limited Adjustable

Enclosure Ratings

 N/A National Electrical Manufacturers Association (NEMA) 4X Ingress Protection (IP66)

Explosure Enclosure Material

 N/A Epoxy Coated Aluminum

Electrical Termination

 N/A 3/4 in. National Pipe Thread (NPT) Female Conduit Connection 1/2 in. National Pipe Thread (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
  • Choice of temperature ranges (from -40 ºF to 750 ºF)
  • Multiple Switch options with SPDT or DPDT Switch configurations
  • Fixed or limited adjustable deadband
  • Direct or Remote Reading Thermal Systems
  • Adjustable Setpoints from 0% - 100% of range
  • Internal Setpoint Locking Screw
  • Wide selection of switch elements
  • UL, CSA and CE approved
  • SIL 3 Capable

Applications

Applications

 N/A Process Market:
Offshore Oil Rigs
Chemical and Petrochemical Plants
Pulp and Paper Mills
Power Plants
Steel Mills
Water and Sewage Treatment Facilities

Industrial Market:
Pumps, Compressors and Turbines
Boilers and Burners
Degreasers and Evaporators
Recovery Systems
Reverse Osmosis Systems / Filters
Food Processing
Ground Support Equipment
Hydraulic and Lubrication Systems
Heating and Air Conditioning
Marine Equipment
Specialized OEM Equipment
  • 1 Additional setpoint shift of ±1% of range per 50 ºF from initial setpoint set at 70 ºF typical.
  • 2 Factory set or field adjustable
  • 3 (5 ft. increments) Consult Factory for longer lengths.