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Surge arresters of the Ex9UEP (N) type are designed to protect photovoltaic applications.They were designed and manufactured in accordance with the standards of the EN EN 61643-31, PV class T2.The optical status indicator of the varistor insert informs about the wear of the element.The built-in auxiliary contact allows for electrical signaling of the insert status.It is possible to safely replace a worn-out varistor insert without disconnecting the device.DOCUMENTS TO DOWNLOAD: Catalog card ex9uep-pl-pl.pdf Declaration of conformity _ex9uep.pdf