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Applies to power frequency overvoltage protection devices (hereafter referred to as “POP”) for household and similar uses, with a rated frequency of 50 Hz, a rated voltage 230 V a.c. (between phase and neutral), intended to be used in combination with a main protective device being either a CB in compliance with EN 60898 1 or EN 60898 2, a RCCB in compliance with EN 61008 1 or a RCBO in compliance with EN 61009
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