SPFB Speed Control System Cables

Application

The cables are used for the train speed control system (French system KVB). The cables are laid along railway lines and connect the speed sensors (located between the rails) to the encoder located inside the trackside equipment shelter.

Reference Standards

• SNCF CT 446

Cable Construction

• Electrical Characteristics at 20℃Conductors: Class 2 stranded tinned copper.
• Insulation: Solid polyethylene.
• Cabling Element: Twisted pair.
• Inner Sheath: Low density polyethylene.
• Armour: Galvanized steel braid armour.
• Outer Sheath: Flame Retardant PVC.

Mechanical and Thermal Properties

• Minimum Bending Radius: 8×OD (static); 16×OD (dynamic)
• Temperature Range: -30℃ to +70℃ (during operation); -20℃ to +50℃ (during installation)

Dimensions and Weight