Tamura thermal fuses tamura tamh4f l a 127degc miniature single shot radial lead non resettable thermal fuse that has been designed to provide high temperature fast protection on all domestic and industrial appliances where its compact size 59 x 67 x 25mm makes it ideal for high density mounting suitable for use in motors batteries transformers power supplies lighting home electrical appliances etc tamura tamh4f l 127c thermal fuse