A splitter plate for an arc extinguishing chamber in a switching device, the splitter plate including a base portion; a pair of arms extending from the base portion; a recess for a movable contact defined between the arms; and a slot in each arm; wherein the recess is arranged between the slots. An arc extinguishing chamber for a switching device is also provided. A switching device for breaking an electric current, the switching device including a plurality of splitter plates or an arc extinguishing chamber is also provided.