A gas-insulated low-voltage or medium-voltage load break switch , comprising: a housing defining a housing volume for holding an insulation gas; a movable contact and a fixed contact arranged within the housing volume, the movable contact being movable in relation to the fixed contact with an arcuate trajectory (A) of movement and defining an arcing region in which an arc is formed during an opening operation of the load break switch ; a pressurizing system , actuated by a movement of the movable contact during the opening operation of the load break switch , for pressurizing the insulation gas; a nozzle , the nozzle being arranged within the housing volume and being fixed to the movable contact and/or the nozzle being arranged within the housing volume and defining a contacting part of the movable contact , wherein the nozzle is adapted to blow the pressurized insulation gas into the arcing region substantially tangentially, in particular tangentially, to the arcuate trajectory(A); wherein the movable contact is a tulip-nozzle type contact having a contact area inside the nozzle , and wherein the fixed contact is a pin contact, wherein the contact area is bent according to the arcuate trajectory (A), and wherein the pin contact is bent according to the arcuate trajectory (A), wherein the nozzle defines a flow pattern for the pressurized insulation gas, the flow pattern including a stagnation point at which the flow essentially stops, an upstream region of the gas flow inside the nozzle flowing towards the stagnation point in a predominantly radially inward direction with respect to the axis of the nozzle , and a downstream region of the gas flow inside the nozzle flows away from the stagnation point in a predominantly axial direction with respect to the axis of the nozzle . a housing defining a housing volume for holding an insulation gas; a movable contact and a fixed contact arranged within the housing volume, the movable contact being movable in relation to the fixed contact with an arcuate trajectory (A) of movement and defining an arcing region in which an arc is formed during an opening operation of the load break switch ; a pressurizing system , actuated by a movement of the movable contact during the opening operation of the load break switch , for pressurizing the insulation gas; a nozzle , the nozzle being arranged within the housing volume and being fixed to the movable contact and/or the nozzle being arranged within the housing volume and defining a contacting part of the movable contact , wherein the nozzle is adapted to blow the pressurized insulation gas into the arcing region substantially tangentially, in particular tangentially, to the arcuate trajectory(A); wherein the movable contact is a tulip-nozzle type contact having a contact area inside the nozzle , and wherein the fixed contact is a pin contact, wherein the contact area is bent according to the arcuate trajectory (A), and wherein the pin contact is bent according to the arcuate trajectory (A), wherein the movable contact is a tulip-nozzle type contact having a contact area inside the nozzle , and wherein the fixed contact is a pin contact, wherein the contact area is bent according to the arcuate trajectory (A), and wherein the pin contact is bent according to the arcuate trajectory (A), wherein the nozzle defines a flow pattern for the pressurized insulation gas, the flow pattern including a stagnation point at which the flow essentially stops, an upstream region of the gas flow inside the nozzle flowing towards the stagnation point in a predominantly radially inward direction with respect to the axis of the nozzle , and a downstream region of the gas flow inside the nozzle flows away from the stagnation point in a predominantly axial direction with respect to the axis of the nozzle . <EOS>