Surge Protection Devices
The ABB (New Berlin, WI) Low Voltage Products division has released the UL 1449 3rd Edition certified OVR DIN Rail surge protective devices (SPD), designed for long service life protecting equipment from damage caused by transient surges from lightening strikes, and surges from upstream equipment and utility load switching. The new OVR DIN Rail products are approved as UL Type 4 recognized components and are usable in Type 2 applications, covering permanently connected SPDs intended for installation on the load side of the service equipment overcurrent device. The new edition places SPDs into five different categories, with Types 1, 2, and 3 referring to different types of SPDs installed at specific locations; and Types 4 and 5 referring to components used in SPD configurations.
For more information, please visit www.abb.us .