BS EN IEC 63052:2021 PDF

What is BS EN IEC 63052 about?

BS EN IEC 63052 applies to devices for power frequency overvoltage protection referred as "POP" for household and similar uses, with a rated frequency of 50 Hz, 60 Hz or 50/60 Hz, with rated voltage not exceeding 230 V AC (between phase and neutral), and with rated current not exceeding 63 A.  It consists of a functional unit in combination with a main protective device (MPD), or as one single device having opening means able to open the protected circuit in specified conditions. POPs according to B S EN IEC 63052 are suitable for use in an IT system provided all active   conductors are switched. BS EN IEC 63052 are intended for use in an environment with pollution degree2 and advantage category3 .