Sharon controls offers surge protection devices. The titan dr spd systems provide high quality surge protection for electrical and automation cabinets. The titan dr can be mounted on standard 35 mm rail prior to the incoming power source to isolate the cabinet from the outside environment. This product is ideal for manufacturers and electrical installers requiring designed-in power protection. Titan dr surge protection devices [spd] provide protection for single and multi-pole applications, protection from 20-80 ka from voltage surges generated by lightening, power supplier network switching, motors, ac drives, etc. The titan dr has been tested in accordance with ce and iec 61643-1.