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Reliable overvoltage protection of electronic devices in low-voltage power systems

Modern surge protective devices allow not only a reliable protection against overvoltages and lightning currents but also an uninterrupted power supply simultaneously. The limited lightning current carrying capability of low-voltage fuses and other overcurrent protection elements requires the coordination of all these elements. A new generation of lightning current arresters limits voltage drops and overvoltages even in the case of direct lightning strikes.