Schneider Electric TC-5231 Thermostat Switch Low Temperature SPDT

Schneider Electric TC-5231 is a low-temperature auto-reset thermostat switch with SPDT contacts, designed for direct-cutout control in cold- and refrigeration-focused applications. It uses a 20-foot capillary to sense ambient temperature and toggles a single-pole, double-throw switch when the sensed temperature falls into a 35–60°F (about 2–16°C) range, typically with a fixed 5°F differential for repeatable cycling. The device accepts control voltages from 24 to 277 VAC, making it suitable for use with common building and equipment controls, and it packages mounting clips for straightforward installation along ducts, lines, or refrigeration components. Marketed under Schneider Electric’s Barber Coleman lineage, the TC-5231 is widely employed as a freeze stat or low-temperature limit switch to protect evaporator coils, trigger low-temperature defrost or anti-freeze circuits, and provide a reliable, automatic reset when temperatures rise above the setpoint. This combination of SPDT switching, auto-reset behavior, and 20-foot sensing capability makes the TC-5231 a compact, durable solution for simple, continuous temperature protection in commercial refrigeration, foodservice equipment, and related HVAC or duct applications.