Surge protection of automatic transfer switches — Application note

Given the emphasis on reliability of facilities and backup power systems, this paper provides application guidance on the use of surge protective devices for automatic transfer switches for low voltage ac circuits. This paper is intended to be used as a supplement to the direction provided in IEEE Std C62.72
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-2007, IEEE Guide for the Application of Surge-Protective Devices for Low-Voltage (1000 V or Less) AC Power Circuits.