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Switchgear Protection

F ailures with switchgear can cause an expansion of gas, air and oil (where oil filled switchgear is employed). This happens at a rapid rate causing a pressure spike, if Pressure Relief Venting is not installed in the surround building structure, there is a genuine risk of structural damage being caused. An arc fault can result in a peak overpressure spike in around 10ms, so the Pressure Relief Vents should […]

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