Schaffner fn 28x series compact iec inlet filters schaffner emc fn 283 4 06 a 4a small form factor power entry module that has a leftright flange mount configuration the module is comprised of an iec inlet mains filter with single fuse and a 2 pole rocker switch suitable applications include portable equipment consumer goods edp and office equipment 1 phase power supplies switch mode power supplies test and measurement equipment schaffner emc fn283 4 06 4a faston compact iec inlet