SW-1 series thermal cutoffs use a thermally stable insulation type organic material as a fusible element and are operated by spring action. The SW-1 series thermal cutoffs are compact and sensitive to ambient temperature and single operation. These thermal cutoffs with over-temperature protection are ideal for household appliances, resistive heating elements, business machines like refrigerators, oven boiling pots, irons, etc.

• High current capacity.
• Widely used.