Drive system comprising - an inverter, - an electric motor, - a first series circuit and - a main module having a first storage device, in particular a first capacitor, wherein the electric motor can be powered from the storage device, wherein the electric motor is connected to the AC voltage-side terminal of the inverter, in particular wherein the electric motor is fed from the AC voltage-side terminal of the inverter, wherein the first series circuit comprises a resistor, in particular a braking resistor, and a first controllable semiconductor switch that is electrically wired in series with the resistor, wherein the first series circuit is wired in parallel with the DC voltage-side terminal of the inverter and with a terminal of the main module, wherein the main module comprises a second series circuit comprising the storage device, a second controllable semiconductor switch and an inductor, in particular a reactor, in particular wherein the storage device, the second controllable semiconductor switch and the inductor are wired in series, wherein the second series circuit is wired in parallel with the first series circuit and with the DC voltage-side terminal of the inverter, characterised in that the main module is connected to a DIN rail, wherein the main module comprises a plug-in connector part such that the voltage applied at the storage device is made available at the plug-in connector part, wherein a further module is secured on the DIN rail and comprises a further storage device, in particular a second capacitor, and a mating plug-in connector part, which can be contacted with the plug-in connector part to form a plug connection, wherein the further storage device of the further module is wired in parallel with the storage device of the main module, wherein the further module can be plug-connected by means of a further electrical plug connection to modules that are each secured on the DIN rail and each comprise a further storage device, which is wired in parallel with the storage device of the main module, wherein each of the modules and the main module are mounted in an interlocking manner on the same DIN rail, are connected to the DIN rail and are displaceable in the rail direction of the DIN rail, wherein the respective plug connections, between the main module and the further module and between two closest neighbouring modules in the rail direction of the DIN rail, can be activated by displacing the modules along the DIN rail. - an inverter, - an electric motor, - a first series circuit and - a main module having a first storage device, in particular a first capacitor, wherein the electric motor can be powered from the storage device, wherein the electric motor is connected to the AC voltage-side terminal of the inverter, in particular wherein the electric motor is fed from the AC voltage-side terminal of the inverter, wherein the first series circuit comprises a resistor, in particular a braking resistor, and a first controllable semiconductor switch that is electrically wired in series with the resistor, wherein the first series circuit is wired in parallel with the DC voltage-side terminal of the inverter and with a terminal of the main module, wherein the main module comprises a second series circuit comprising the storage device, a second controllable semiconductor switch and an inductor, in particular a reactor, in particular wherein the storage device, the second controllable semiconductor switch and the inductor are wired in series, wherein the second series circuit is wired in parallel with the first series circuit and with the DC voltage-side terminal of the inverter, characterised in that the main module is connected to a DIN rail, wherein the main module comprises a plug-in connector part such that the voltage applied at the storage device is made available at the plug-in connector part, wherein a further module is secured on the DIN rail and comprises a further storage device, in particular a second capacitor, and a mating plug-in connector part, which can be contacted with the plug-in connector part to form a plug connection, wherein the further storage device of the further module is wired in parallel with the storage device of the main module, wherein the further module can be plug-connected by means of a further electrical plug connection to modules that are each secured on the DIN rail and each comprise a further storage device, which is wired in parallel with the storage device of the main module, wherein each of the modules and the main module are mounted in an interlocking manner on the same DIN rail, are connected to the DIN rail and are displaceable in the rail direction of the DIN rail, wherein the respective plug connections, between the main module and the further module and between two closest neighbouring modules in the rail direction of the DIN rail, can be activated by displacing the modules along the DIN rail.