Part 11: Surge protective devices connected to low-voltage power systems – Requirements and test methods
(IEC 61643-11:2011, modified); German version EN 61643-11:2012 Class/Status:
VDE Art. No.: 0675024
This part of EN 61643 is applicable to devices for surge protection against indirect and direct effects of lightning or other transient overvoltages. These devices are packaged to be connected to 50 Hz a.c. power circuits, and equipment rated up to 1 000 V r.m.s. Performance characteristics, standard methods for testing and ratings are established. These devices contain at least one nonlinear component and are intended to limit surge voltages and divert surge currents.
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