Applications of SPDs

NEMA Surge Protection Institute

Where Can I Place SPDs to Protect My Facility?

It is impossible to prevent voltage surges from either entering your facility or from occurring inside your facility. When protecting a facility against transients, the best approach is a networked approach. The Institute of Electrical and Electronics Engineers has developed three categories that every facility can be divided into. 

IEEE TVSS Categories

The graphics below demonstrate several areas in and around your industrial facility that you should think about protecting, as well as suggesting types of SPDs to use.

Click on the image to view the larger size: 

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