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Surge Protective Devices (SPDs)

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About Surge Protective Devices (SPDs)

Surge protective devices (SPDs) are designed to protect equipment against temporary excess voltage and/or current. They differ in terms of signal protection type. Dataline and DC signal surge suppressors protect against transient overvoltages on data or DC signal lines. Single-phase surge suppressors protect equipment from transient overvoltages on single-phase AC power lines. By contrast, three-phase surge suppressors protect equipment from transient overvoltages on three-phase AC power lines. Other types of transient voltage surge suppressors are also available. 




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