ABB: OVR RS485Q & SL RS485 Series
ABB’s OVR RS485Q & SL RS485 Series of Surge Protective Devices make surge protection easy for data and signal applications. These UL 497B listed SPDs are specifically designed for RS 485 and Fieldbus applications, such as Profibus DP for protection against the damaging effects of surges caused by lightning, electrical surges, and more on data and signal lines.
