Scope and field of application

These jumpers are used in reverse traction rail networks to provide the following:

• continuity of the traction current and heating current (within the feeder zone) ducts and stable supply of electricity to electric rolling stock;
• operation of signalling and ATP track circuits;
• reliable short-circuit protection in the traction power supply system.

Electrical safety requirements:

• regulatory requirements regarding traction current leaks and protection against galvanic corrosion of underground metal structures.

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