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Specifying the right surge protective device

01Nov

Downtime caused by surge events is common. All 75 maintenance and facility managers surveyed in 2013 by the National Electrical Manufacturers Association (NEMA) said they have experienced operational downtime caused by a surge event.

Type 2 surge protective devices (SPDs) are permanently connected SPDs intended for installation on the load side of the service equipment overcurrent device, including SPDs located at the branch panel, and moulded case SPDs.