Importance

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Abstract

The invention achieves the objective of ensuring that a solar installation mounted on a unit such as, for example, a residential house, can be safely switched off cost-effectively, whereby the consumers are to be galvanically disconnected from the solar installation, and the feed lines leading to the consumers are to be de-energized in case the safety switchgear has triggered a switch-off. A safety switchgear for a solar installation is proposed, whereby the solar installation consists of at least one photovoltaic element, of two connections, each to a feed line leading to a consumer, and said safety switchgear has a bypass that is situated between the two connections and upstream from the feed lines and that has at least one switching mechanism to close the contact points, whereby at least one additional switching mechanism for purposes of opening the contact points is arranged in each of the two feed lines. The invention is characterized in that the at least one switching mechanism in the bypass and the additional switching mechanisms present in each feed line of the photovoltaic installation are arranged, and can be jointly actuated by means of a coupler, in such a way that, when the safety switchgear is actuated, first the contact points of the at least one switching mechanism in each one of the two feed lines is opened and subsequently, with a time delay, the contact points of the at least one switching mechanism, which is situated in the bypass, are closed.

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First Claim