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Multi-pole surge arrester / type 1 - RPBC-50/280/1N
Relpol's RPBC-50/280/1N is specifically designed to prevent any partial direct and indirect lightning flows. It also offers a protection in the 0A-1 zones. Its (1+1) range is basically used on a TTsingle phase network wherein there is a highly required N to PE galvanic isolation. Its circuit topology is composed of a single varistor stage protected through the aid of a thermal disconnection device. Every single phase unit is composed of a high quality varistor block. The maximum powered air gap or the GDT offers a galvanic separation in- between the PE and N conductors. A special built-in indicator allows the monitoring of the disconnector which shows a flag to indicate a certain operation.