17.5. Fusible crossing points - general information
Fusible crossing points are intended for protection of a chain at big those overloads. Crossing points are used in silnotochny chains, to protect which a usual safety lock it is impossible (for example in a chain of ignition, etc.). Crossing points are mounted about a battery pole to get a crossing point it is necessary to disconnect sockets from both parties (photo).
If malfunction arose in any chain or in group of chains, and safety locks of separate chains are serviceable, check a crossing point condition. The melted-off crossing point replace, previously having established a cause of defect.