1. Type: KSD301 150 degrees Celsius thermal switch 110V/120V/250V 10A NC (normally closed) 2. Normally closed: The initial state of the temperature control switch contact is closed, and it opens when the sensing temperature exceeds the rated temperature of 150 degrees Celsius. 3. Advantages: Bimetallic chip, snap action type, sensitive, reliable, stable operating temperature, long service life, no arcing phenomenon. 4. Easy Installation: The flange on the switch is floating for easy installation. The pin width is 6.3 mm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.