8A 32mm Microwave Oven Fuse Pack Of Two High quality replacement type 8A 32mm fuse for modern microwave ovens. This type of fuse is commonly found in many brands of microwave ovens. It is normally used as the mains input fuse and is designed to fail if there is a fault. Such a fault could be a short circuit magnetron or a short circuit high voltage rectifier. In our experience however this fuse commonly fails for no apparent reason. The fuse just gets stressed everytime the magnetron starts which eventually leads to the demise of the fuse. If you have a microwave with this type of fuse then the symptom you will get if it has failed is generally a completely dead machine. Sometimes however you may get a no cooking action fault depending on what part of the circuit the fuse is fitted.