Electric motor , comprising a switching unit having a number of phase connections and with a number of contact wires and with an annular frame part , - wherein the contact wires are arranged to form an interconnection ring for the coil ends of a stator winding, and - wherein the frame part of the switching unit has a number of insertion pockets , which corresponds to the number of insulation-displacement contacts , for receiving the insulation-displacement contacts , each of which has two insulation-displacement limbs , which are spaced apart from one another so as to form an insulation-displacement slot , characterized - in that the phase connections are formed by a corresponding number of insulation-displacement contacts or comprise said insulation-displacement contacts, - in that at least two wire ends of the contact wires are connected to the insulation-displacement contacts , - in that the insulation-displacement slot of the or each insulation-displacement contact has, in the slot longitudinal direction , a first, comparatively short insulation-displacement contour which adjoins a limb free end-side slot opening and merges with a slot region which is widened in a diamond-shaped manner in the slot longitudinal direction and is adjoined by a further, comparatively long clamping region , wherein the widened slot region has a tapering, comparatively pronounced cutting contour on the side facing the slot opening , and - in that the widened slot region is provided and designed to receive the first wire end initially cut in the insulation-displacement slot as soon as the second wire end enters the first slot region, which adjoins the slot opening , between the blade edges of the insulation-displacement contour of the insulation-displacement limbs which are arranged opposite one another. - wherein the contact wires are arranged to form an interconnection ring for the coil ends of a stator winding, and - wherein the frame part of the switching unit has a number of insertion pockets , which corresponds to the number of insulation-displacement contacts , for receiving the insulation-displacement contacts , each of which has two insulation-displacement limbs , which are spaced apart from one another so as to form an insulation-displacement slot , characterized - in that the phase connections are formed by a corresponding number of insulation-displacement contacts or comprise said insulation-displacement contacts, - in that at least two wire ends of the contact wires are connected to the insulation-displacement contacts , - in that the insulation-displacement slot of the or each insulation-displacement contact has, in the slot longitudinal direction , a first, comparatively short insulation-displacement contour which adjoins a limb free end-side slot opening and merges with a slot region which is widened in a diamond-shaped manner in the slot longitudinal direction and is adjoined by a further, comparatively long clamping region , wherein the widened slot region has a tapering, comparatively pronounced cutting contour on the side facing the slot opening , and - in that the widened slot region is provided and designed to receive the first wire end initially cut in the insulation-displacement slot as soon as the second wire end enters the first slot region, which adjoins the slot opening , between the blade edges of the insulation-displacement contour of the insulation-displacement limbs which are arranged opposite one another. <EOS>