The LMLC1-1RLS4-28524-30 is a temperature, pressure, and limit switch manufactured by Sensata Technologies. The switch contains two SPDT (Single Pole Double Throw) snap action contacts, adjustable pressure and temperature settings, and a top-adjustable dialog roller lever. It is suitable for use in HVAC and other industrial applications, and functions as a safety device to prevent equipment failure or safety risk due to overheating or overpressure.