These devices protect chains of the electric drive of a window regulator, locks of doors and headlights. On a part of cars at a chain overload breakers work automatically, and at once become isolated, work of a chain is restored. If the chain is not restored after operation of a breaker, then immediate check of a breaker and chain is required. After malfunction elimination the condition of a breaker is restored automatically. A part of breakers becomes isolated after their operation manually. |