The PEXLIM surge arrester is designed using a directly moulded silicone housing with the ABB patented belt winding for a safe “pressure relief” capability. The design allows the PEXLIM surge arrester to perform the operating principle of “pressure relief” through the following sequence: 1) The surge arrester has failed short-circuit and gas begins to be expelled through the soft silicone housing. 2) The gas streams trigger an external flashover and the internal arc is commutated safely to the outside.
High Voltage Products
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