Siemens neozed screw fuse cap d01 d02 porcelain with fuse verifier siemens 5sh4317 the siemens 5sh4317 is a screwable fuse cap that has been manufactured from porcelain it is supplied in do1 size and has been designed for use with the neozed fuse system the fuse cap is supplied with a blown fuse indicator the ceramic cap is used particularly in the harsh environments of industrial applications and ideal for single and three pole fuse bases siemens 5sh4317 screw cap d01 with verifier