Loss-prevention system , - in which the loss-prevention system has at least one securing element , a first component , a second component , and at least a first releasable connection and a third releasable connection , - in which the securing element is configured for securing the two components of the rail vehicle , wherein the securing element has a first portion , a first lug and a second lug , wherein the first portion is configured in the form of an elongate plate and extends in a first plane , wherein at least one first through-opening is arranged in the first portion , wherein the first through-opening is configured to at least partially receive the first releasable connection for fastening the securing element to the first component , wherein the first portion has a long side , wherein the first lug and the second lug are arranged opposite one another on the long side of the first portion and project from the first plane onto a common side of the first portion , wherein the first lug is configured to rest on the top side of the first component , and wherein the second lug is configured to support the second component on its underside and to secure it against falling off, - in which the first releasable connection engages through the first through-opening and fastens the securing element to the first component , - in which the third releasable connection , loaded in tension, connects the first component to the second component , - in which the first component and the second component are arranged at least partially between the first lug and the second lug , - in which the second component , upon failure and/or releasing of the third releasable connection , rests on the second lug and the second lug secures the second component against falling down, and the first lug , upon failure and/or releasing of the first releasable connection , rests on the first component and retains the securing element on the first component . - in which the loss-prevention system has at least one securing element , a first component , a second component , and at least a first releasable connection and a third releasable connection , - in which the securing element is configured for securing the two components of the rail vehicle , wherein the securing element has a first portion , a first lug and a second lug , wherein the first portion is configured in the form of an elongate plate and extends in a first plane , wherein at least one first through-opening is arranged in the first portion , wherein the first through-opening is configured to at least partially receive the first releasable connection for fastening the securing element to the first component , wherein the first portion has a long side , wherein the first lug and the second lug are arranged opposite one another on the long side of the first portion and project from the first plane onto a common side of the first portion , wherein the first lug is configured to rest on the top side of the first component , and wherein the second lug is configured to support the second component on its underside and to secure it against falling off, - in which the first releasable connection engages through the first through-opening and fastens the securing element to the first component , - in which the third releasable connection , loaded in tension, connects the first component to the second component , - in which the first component and the second component are arranged at least partially between the first lug and the second lug , - in which the second component , upon failure and/or releasing of the third releasable connection , rests on the second lug and the second lug secures the second component against falling down, and the first lug , upon failure and/or releasing of the first releasable connection , rests on the first component and retains the securing element on the first component . <EOS>