EKI ST-22 thermostat switch for motors, electrical equipment for protection and temperature control. Technical parameters: Rated voltage and current: 8A125V ~; 5A250V ~; rated disconnect temperature range: motor protector and thermostat 70 ℃ ~ 150 ℃, 5 ℃ for each file, the amount of the difference between the maximum temperature ± 5K breaking device: 150 ℃ Operating time: continuous pollution status: dirty state sensor range: the entire thermostat contact resistance: less than 50 Mω