A static electric induction arrangement comprising: a static electric induction device tank comprising a top part , a bottom part and at least one wall extending between the top part and the bottom part , which is intended to be filled with dielectric fluid ; an accessory tank comprising a top part , a bottom part and at least one wall extending between the top part and the bottom part , which is intended to be filled with dielectric fluid , the accessory tank further comprising at least one opening configured to receive an accessory therein; a static electric induction device arranged in the static electric induction device tank , wherein the static electric induction device tank and the accessory tank are connected via a fluid connection , wherein an upper portion of a cross section of the fluid connection , as seen with respect to a vertical direction (v) of the static electric induction arrangement, is located at a first height (H), wherein the static electric induction arrangement comprises dielectric fluid , the arrangement comprises a heat exchanger connected to the static electric induction device tank , the static electric induction device tank comprises an outlet that is arranged to lead the dielectric fluid to the heat exchanger and an inlet that is arranged to return the dielectric fluid from the heat exchanger to the static electric induction device tank , characterized in that the inlet is located at the same height or vertically above the first height (H), as seen with respect to the vertical direction (v) and wherein the heat exchanger of the static electric induction device tank is arranged substantially above the static electric induction device tank with respect to the vertical direction (v). a static electric induction device tank comprising a top part , a bottom part and at least one wall extending between the top part and the bottom part , which is intended to be filled with dielectric fluid ; an accessory tank comprising a top part , a bottom part and at least one wall extending between the top part and the bottom part , which is intended to be filled with dielectric fluid , the accessory tank further comprising at least one opening configured to receive an accessory therein; a static electric induction device arranged in the static electric induction device tank , wherein the static electric induction device tank and the accessory tank are connected via a fluid connection , wherein an upper portion of a cross section of the fluid connection , as seen with respect to a vertical direction (v) of the static electric induction arrangement, is located at a first height (H), wherein the static electric induction arrangement comprises dielectric fluid , the arrangement comprises a heat exchanger connected to the static electric induction device tank , the static electric induction device tank comprises an outlet that is arranged to lead the dielectric fluid to the heat exchanger and an inlet that is arranged to return the dielectric fluid from the heat exchanger to the static electric induction device tank , characterized in that the inlet is located at the same height or vertically above the first height (H), as seen with respect to the vertical direction (v) and wherein the heat exchanger of the static electric induction device tank is arranged substantially above the static electric induction device tank with respect to the vertical direction (v). <EOS>