National Semiconductor offers a line of temperature switches varying in set point types, set point values, temperature accuracies, temperature ranges and quiescent currents.

Ashcroft delivers the GT, LT, PT-N7, T400 and T700 models of temperature switches that all share a setpoint of -40 to 750°F, remote or direct mount bulbs, and stainless steel construction. The GT features a stainless steel enclosure, corrosion resistance, fixed or adjustable deadband, single or dual setpoints, and SPDT or (2) SPDT contacts. The LT is a general purpose temperature switch and features watertight epoxy coated aluminum enclosure, fixed or adjustable deadband, single or dual setpoint, and SPDT or (2) SPDT contacts. The PT-N7 includes all the features of the LT in addition to an explosion proof enclosure and dual chamber design. The T400 is a general purpose temperature switch and features watertight epoxy coated aluminum enclosure, single or dual setpoint, and SPDT or (2) SPDT contacts. The T700 features an explosion proof enclosure, single or dual setpoint, fixed or adjustable deadband, and SPDT or (2) SPDT contacts.