Emerson Climate-White Rodgers 3L12-350 SPST M/R Rollout Switch 350°F

The Emerson Climate-White Rodgers 3L12-350 Manual Reset Rollout Switch is a temperature-controlled switch in HVAC systems heat in essential areas. It has a thermal sensing element, which opens its single-pole, single-throw contacts when the local temperature goes above about 350°F, to complete the electrical control circuit and cause a protective reaction. This switch is installed close to heat exchangers or burner compartments to be connected with the control wiring of the system to prevent its operation under overheating conditions.