RY thermal fuse (Thermal cutoff ) Non-resettable device,, Variety Tf:72-240C,tolerance:+0/-5C Current:10,15A RoHs Compliant RY model thermal fuse( thermal cutoff,Temperature fuse) which use heat sensitive grain materials(organic chemical) which open electrical contacts when temperatures exceed the specified TF level.The products are widely used in electric current provider, power switch, computer ...