Importance

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Abstract

A circuit for connecting a plurality of consumers of electrical energy to a direct current source has, associated with each consumer, one connection switch each for establishing a connection between the consumer and a current source, associated with each of the consumers of the plurality of consumers, one activation circuit each for supplying a current to the consumer and for activating the associated connection switch in order to establish the connection between the respective consumer and the current source. The activation circuit includes a switching transistor. A base-emitter voltage of the switching transistor depends on the current supplied to the associated consumer via the activation circuit, and wherein, if a base-emitter voltage at a collector terminal of the switching transistor exceeds a threshold, a switch signal is generated for switching the associated connection switch into a closed state that establishes a connection between the associated consumer and current source.

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First Claim