Arrangement of a first residual current circuit breaker, a second residual current circuit breaker and a switching device, - wherein the switching device has at least one first electrical switching device input, as well as at least one first electrical switching device output and at least one second electrical switching device output, wherein in a first operating state of the switching device the first switching device input is connected by circuitry to the first switching device output, wherein in a second operating state of the switching device the first switching device input is connected by circuitry to the second switching device output, wherein the switching device is configured for transition without interruption from the first operating state to the second operating state and/or from the second operating state to the first operating state, wherein the switching device has at least one first control output and a second control output for influencing in a predefinable manner the tripping behaviour of the residual current circuit breakers (22, 23) during the interruption-free switching, - wherein the first residual current circuit breaker and the second residual current circuit breaker is configured respectively as residual current circuit breakers (22, 23) with a trip circuit and with isolating contacts, wherein the trip circuit for isolating the isolating contacts is in operative connection with the latter at least indirectly, wherein the trip circuit has a first circuit arrangement for extending a tripping time of the trip circuit in a predefinable manner by a predefinable period and in that the residual current circuit breakers (22, 23) has at least one first control input for controlling the first circuit arrangement, - wherein the first residual current circuit breaker and the second residual current circuit breaker are coupled to one another by means of a coupling unit by circuitry parallel to the switching device, and wherein the first control output is connected by circuitry to the first control input of the first residual current circuit breaker and the second control output is connected to the first control input of the second residual current circuit breaker. - wherein the switching device has at least one first electrical switching device input, as well as at least one first electrical switching device output and at least one second electrical switching device output, wherein in a first operating state of the switching device the first switching device input is connected by circuitry to the first switching device output, wherein in a second operating state of the switching device the first switching device input is connected by circuitry to the second switching device output, wherein the switching device is configured for transition without interruption from the first operating state to the second operating state and/or from the second operating state to the first operating state, wherein the switching device has at least one first control output and a second control output for influencing in a predefinable manner the tripping behaviour of the residual current circuit breakers (22, 23) during the interruption-free switching, - wherein the first residual current circuit breaker and the second residual current circuit breaker is configured respectively as residual current circuit breakers (22, 23) with a trip circuit and with isolating contacts, wherein the trip circuit for isolating the isolating contacts is in operative connection with the latter at least indirectly, wherein the trip circuit has a first circuit arrangement for extending a tripping time of the trip circuit in a predefinable manner by a predefinable period and in that the residual current circuit breakers (22, 23) has at least one first control input for controlling the first circuit arrangement, - wherein the first residual current circuit breaker and the second residual current circuit breaker are coupled to one another by means of a coupling unit by circuitry parallel to the switching device, and wherein the first control output is connected by circuitry to the first control input of the first residual current circuit breaker and the second control output is connected to the first control input of the second residual current circuit breaker.