046-530 - TDL-314717-60T12... Therm-O-Disc is the world's largest producer of bi-metal disc controls and has thousands of configurations available to meet your specific design requirements. Billions of our MICROTEMP?? thermal cutoffs are protecting against overheating in major, portable and personal care appliances throughout the world. A broad range of specialized and customer temperature controls are available from Therm-O-Disc to fit your design.