Load Protection Switch and Thermoswitches
The 8640A930-1,Load Protection Switch protects Bird 3-1/8" flanged water-cooled Moduloads® by preventing RF power from reaching it before proper coolant flow has been established
A Thermoswitch is a tubular devices featuring an outer shell made of high-expanding metal and internal struts made of low-expanding metal, with a pair of electrical contacts between them. When the temperature of the media being measured changes, a corresponding change in the spacing of the contacts provides instant on/off control.