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What is an SPD?

Issue:
Definition of SPD.

Product Line: 
Surge Protective Devices 

Environment:
EMA SPD, EBA SPD, HWA, TVSS

Product Line: 
Surge Protective Devices (SPDs)

Resolution:
SPD stands for surge protection device formerly known as transient voltage surge suppression (TVSS) or secondary surge arrester. SPDs protect electrical equipment from very high peak voltage impulses (transients) by diverting or limiting the current and providing a path of least resistance to ground. 
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