Bridge circuit with increased fail safety, comprising a first electrical load with a first connecting contact and a second connecting contact, wherein the load comprises a three-phase device and - a first series circuit with a first switch and a second switch is provided, wherein the first series circuit is connected with a first junction and a second junction, and - a second series circuit with a third switch and a fourth switch is provided, wherein the second series circuit is connected with a third junction and a fourth junction, - a third series circuit with a fifth switch and a sixth switch is provided, wherein the third series circuit is connected with the second junction and a fifth junction, and - a fourth series circuit with a seventh switch and an eighth switch is provided, wherein the fourth series circuit is connected with the fourth junction and a sixth junction, wherein the first junction and the third junction are connected with a supply voltage (UVDD) and the fifth junction and sixth junction are connected with a reference potential (UREF), characterised in that - a fifth series circuit is provided with a ninth switch and a tenth switch, - a sixth series circuit is provided with an eleventh switch and a twelfth switch, - a seventh junction is provided between the first switch and the sixth switch, - an eighth junction is provided between the fifth switch and the sixth switch, - a ninth junction is provided between the third switch and the fourth switch, - a tenth junction is provided between the seventh switch and the eighth switch, - an eleventh junction is provided between the ninth switch and the tenth switch, - a twelfth junction is provided between the eleventh switch and the twelfth switch, wherein the eleventh junction and the twelfth junction are connected together, - the fifth series circuit is connected at one end with the junction and at the opposite end with the junction, - the sixth series circuit is connected at one end with the junction and at the opposite end with the junction, - the first connecting contact is connected with the second junction and the second connecting contact is connected with the eleventh junction, - a seventh series circuit with a thirteenth switch and a fourteenth switch is provided and a thirteenth junction is arranged between the two switches (S13, S14) of the seventh series circuit, - an eighth series circuit with a fifteenth switch and a sixteenth switch is provided and a fourteenth junction is arranged between the two switches (S15, S16) of the eighth series circuit, - the seventh series circuit is connected at one end with the junction and at the opposite end with the junction, - the eighth series circuit is connected at one end with the junction and at the opposite end with the junction, and - the thirteenth junction and the fourteenth junction are connected together, wherein the load has a third connecting contact and the third connecting contact is connected with the thirteenth junction or the fourteenth junction and wherein the load is connected with the thirteenth junction. - a first series circuit with a first switch and a second switch is provided, wherein the first series circuit is connected with a first junction and a second junction, and - a second series circuit with a third switch and a fourth switch is provided, wherein the second series circuit is connected with a third junction and a fourth junction, - a third series circuit with a fifth switch and a sixth switch is provided, wherein the third series circuit is connected with the second junction and a fifth junction, and - a fourth series circuit with a seventh switch and an eighth switch is provided, wherein the fourth series circuit is connected with the fourth junction and a sixth junction, - a fifth series circuit is provided with a ninth switch and a tenth switch, - a sixth series circuit is provided with an eleventh switch and a twelfth switch, - a seventh junction is provided between the first switch and the sixth switch, - an eighth junction is provided between the fifth switch and the sixth switch, - a ninth junction is provided between the third switch and the fourth switch, - a tenth junction is provided between the seventh switch and the eighth switch, - an eleventh junction is provided between the ninth switch and the tenth switch, - a twelfth junction is provided between the eleventh switch and the twelfth switch, wherein the eleventh junction and the twelfth junction are connected together, - the fifth series circuit is connected at one end with the junction and at the opposite end with the junction, - the sixth series circuit is connected at one end with the junction and at the opposite end with the junction, - the first connecting contact is connected with the second junction and the second connecting contact is connected with the eleventh junction, - a seventh series circuit with a thirteenth switch and a fourteenth switch is provided and a thirteenth junction is arranged between the two switches (S13, S14) of the seventh series circuit, - an eighth series circuit with a fifteenth switch and a sixteenth switch is provided and a fourteenth junction is arranged between the two switches (S15, S16) of the eighth series circuit, - the seventh series circuit is connected at one end with the junction and at the opposite end with the junction, - the eighth series circuit is connected at one end with the junction and at the opposite end with the junction, and - the thirteenth junction and the fourteenth junction are connected together,