Carrier HH12ZB250 Auto Limit Switch 250°F Open 210°F Close

The Carrier HH12ZB250 Auto Limit Switch is used in HVAC systems to check the temperature and regulate the electric power depending on the thermal condition. It opens at 250°F and closes at 210°F and works by a temperature-sensitive element that reacts to heat variations. It is installed close to heat exchangers or other heat-generating elements, and is linked to the control wiring to break power when conditions occur and to resume power when temperatures stabilize. This limit switch allows overheating to be avoided and controlled operation in furnaces and other heating areas of equipment.