Low-voltage protective switching device
Abstract:
A low-voltage protective switching device includes: at least one line conductor length extending from a line conductor supply connection of the low-voltage protective switching device to a line conductor load connection of the low-voltage protective switching device; a neutral conductor length extending from a neutral conductor connection of the low-voltage protective switching device to a neutral conductor load connection of the low-voltage protective switching device; a mechanical bypass switch and a first mechanical circuit breaker disposed in series in the line conductor length; a second mechanical circuit breaker disposed in the neutral conductor length; a first semiconductor switching arrangement disposed in parallel to the bypass switch; and an electronic control unit that presettably actuates the bypass switch, the first mechanical circuit breaker, the second mechanical circuit breaker, and the first semiconductor switching arrangement. The first semiconductor switching arrangement includes a snubber, which includes a first capacitor.
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