>HAW566 surge protective device

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The HAW566 surge protective device is used to protect electronic components from being destroyed. It ensures that overvoltage surges which occur in signal cables (e.g. 4 to 20 mA), in communication lines of Field buses (HART, PA, FF) and in power lines are safely limited or passed into the ground. The functionality of the electronic component to be protected is not affected as, using the impedance-free connection of the protection unit, interference voltage drops cannot be introduced.

Surge protective devices are used to weaken residual currents from upstream lightning protection steps and to limit system-induced or system-generated overvoltage surges
HAW566 units are primarily used in process automation and in measuring and communication technology within the water & wastewater, chemical, oil & gas as well as power & energy industry