Profile: Deltec Company specializes in offering DC ammeter shunts, fuse blocks and cables. Our fuse blocks include integrated shunt & fuse holder, terminal standoff, limiter replacement fuse and stud terminal. We also provide battery interconnect & inverter cable and power supply cords. We offer ammeter shunt, which is a very low-resistance connection between two points in an electric circuit that forms an alternative path for a portion of the current.