Riedon, a specialist manufacturer of cutting-edge power and precision resistors, acquired Deltec Shunts in 2018. Deltec is one of the premier US manufacturers of current shunts and fuse-block holders. Since its inception in 1986, Deltec has been a manufacturer of DC ammeter shunts, available in 10 different sizes, as well as fuse blocks. The key market segment we serve is solar and wind inverters, renewable-energy applications, recreational vehicles (RV) and marine power supply segments.