An induction sealing device for induction welding of a packaging material for producing sealed packages of pourable food products, the packaging material having at least one layer of metal foil, the induction sealing device comprises an inductor coil configured to induce an alternating current in the metal foil for inductive heating of the packaging material, a magnetic insert encapsulating the inductor coil apart from an outer portion thereof to be arranged towards the packaging material to be sealed, wherein the magnetic insert is configured to interact with the packaging material to be sealed via at least one interactive surface, characterised in that the induction sealing device also comprises a connection unit comprising a parallel connection to the inductor coil and being configured for connection to an AC power source, wherein the inductor coil extends in a longitudinal direction between opposite first and second ends (112, 112') thereof, the connection unit being arranged at the first end, wherein the inductor coil comprises a first pair of inductor bars (109, 109') and a second pair of inductor bars (110, 110'), wherein the first and second pairs of inductor bars are arranged to extend parallel to each other along the longitudinal direction of the inductor coil, wherein the inductor bars of each respective pair are connected to eachother at the second end, wherein the connection unit comprises first and second connector elements coupled to the first and second pairs of inductor bars of the inductor coil, and wherein, at the first end, each of the first and second connector elements are coupled to one inductor bar of the first pair of inductor bars and to one inductor bar of the second pair of inductor bars. an inductor coil configured to induce an alternating current in the metal foil for inductive heating of the packaging material, a magnetic insert encapsulating the inductor coil apart from an outer portion thereof to be arranged towards the packaging material to be sealed, wherein the magnetic insert is configured to interact with the packaging material to be sealed via at least one interactive surface, characterised in that the induction sealing device also comprises a connection unit comprising a parallel connection to the inductor coil and being configured for connection to an AC power source, wherein the inductor coil extends in a longitudinal direction between opposite first and second ends (112, 112') thereof, the connection unit being arranged at the first end, wherein the inductor coil comprises a first pair of inductor bars (109, 109') and a second pair of inductor bars (110, 110'), wherein the first and second pairs of inductor bars are arranged to extend parallel to each other along the longitudinal direction of the inductor coil, wherein the inductor bars of each respective pair are connected to eachother at the second end, wherein the connection unit comprises first and second connector elements coupled to the first and second pairs of inductor bars of the inductor coil, and wherein, at the first end, each of the first and second connector elements are coupled to one inductor bar of the first pair of inductor bars and to one inductor bar of the second pair of inductor bars.