ABB OVR data range of SPDs are designed to protect equipment connected to data lines to complement the OVR power products and offer a complete system protection solution (power & data). The comprehensive range includes protection for twisted pair data lines (including hazardous environments), HART and PROFIBUS and RTD systems. Main benefits include Best in class equipment and system protection against lightning and electrical switching surges; High reliability - will provided repeated protection even in lightning intense environments; Minimal system interference thanks to low in line resistance and high frequency bandwidth & Used with OVR power SPDs - provides complete system protection. Main Features include Easy application based product selection - e.g. OVR RS485 for RS485 line protection; Best in class surge voltage reduction levels between all connections (modes of protection); Multiple formats (plug-in modules, 3 and 8 wire options) for easy system integration & Compact, space critical designs.