QE QUALITY bimetal disc defrost thermostats are used for the automatic temperature control in refrigerators and ice machines. They can also be used for heat compensation, heating defrost in refrigerators, system temperature limit safety arrangement, and many other applications. The QE QUALITY bimetal disc defrost thermostats feature heavy duty construction plastic seals covering electric parts allowing them to be installed in narrow spaces and making them humidity proof. 240 VAC 5A