Circuit arrangement, comprising - a plurality of first switch assemblies connected in series, which form a first switching group series circuit, - a number - corresponding to the number of first switch assemblies - of second switch assemblies connected in series, which form a second switching group series circuit, - a number of switch-mode power supply units corresponding to the number of first switch assemblies, and - two capacitor bridges (5, 6) each having at least one capacitor, wherein - each switch assembly (9, 10) has a semiconductor switch having a control terminal and two load terminals (19, 20) and a driver for driving the semiconductor switch via the control terminal thereof, wherein each semiconductor switch is an insulated gate bipolar transistor, the load terminals (19, 20) of which are its emitter and its collector and the control terminal of which is its gate, and the semiconductor switches of each two switch assemblies (9, 10) succeeding one another in a switching group series circuit (7, 8) are electrically connected to one another by an electrical connection of the emitter of one of the two semiconductor switches and the collector of the other of the two semiconductor switches, - a first capacitor bridge is electrically connected to the collector of the semiconductor switch of the switch assembly at a first end of the first switching group series circuit and to the emitter of the semiconductor switch of the switch assembly at a first end of the second switching group series circuit, - the second capacitor bridge is electrically connected to the emitter of the semiconductor switch of the switch assembly at the second end of the first switching group series circuit and to the collector of the semiconductor switch of the switch assembly at the second end of the second switching group series circuit, - each switch-mode power supply unit is assigned to a switch pair of semiconductor switches and supplies the drivers of both semiconductor switches of the switch pair with energy, wherein each switch pair is formed by the semiconductor switch of a first switch assembly and the semiconductor switch of that second switch assembly whose position in the second switching group series circuit relative to the first end thereof corresponds to the position of the first switch assembly in the first switching group series circuit relative to the first end thereof, and - each switch-mode power supply unit is supplied with energy, by a semiconductor switch of that switch pair to which the switch-mode power supply unit is assigned, from an electrical voltage between the load terminals (19, 20) of the semiconductor switch. - a plurality of first switch assemblies connected in series, which form a first switching group series circuit, - a number - corresponding to the number of first switch assemblies - of second switch assemblies connected in series, which form a second switching group series circuit, - a number of switch-mode power supply units corresponding to the number of first switch assemblies, and - two capacitor bridges (5, 6) each having at least one capacitor, wherein - each switch assembly (9, 10) has a semiconductor switch having a control terminal and two load terminals (19, 20) and a driver for driving the semiconductor switch via the control terminal thereof, wherein each semiconductor switch is an insulated gate bipolar transistor, the load terminals (19, 20) of which are its emitter and its collector and the control terminal of which is its gate, and the semiconductor switches of each two switch assemblies (9, 10) succeeding one another in a switching group series circuit (7, 8) are electrically connected to one another by an electrical connection of the emitter of one of the two semiconductor switches and the collector of the other of the two semiconductor switches, - a first capacitor bridge is electrically connected to the collector of the semiconductor switch of the switch assembly at a first end of the first switching group series circuit and to the emitter of the semiconductor switch of the switch assembly at a first end of the second switching group series circuit, - the second capacitor bridge is electrically connected to the emitter of the semiconductor switch of the switch assembly at the second end of the first switching group series circuit and to the collector of the semiconductor switch of the switch assembly at the second end of the second switching group series circuit, - each switch-mode power supply unit is assigned to a switch pair of semiconductor switches and supplies the drivers of both semiconductor switches of the switch pair with energy, wherein each switch pair is formed by the semiconductor switch of a first switch assembly and the semiconductor switch of that second switch assembly whose position in the second switching group series circuit relative to the first end thereof corresponds to the position of the first switch assembly in the first switching group series circuit relative to the first end thereof, and - each switch-mode power supply unit is supplied with energy, by a semiconductor switch of that switch pair to which the switch-mode power supply unit is assigned, from an electrical voltage between the load terminals (19, 20) of the semiconductor switch.