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Flexible Current Connectors

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Flexible current connectors establish flexible electrical contact between two moving conductors and are mainly used to dampen current surges and vibrations and to compensate for thermal expansion or fluctuating dimensional tolerances. The most important versions (foil and wire connectors) are also used in circuit systems, industrial furnaces, transformer and generator stations, E-locomotives, vacuum switches and electrolysis plants. The power line is usually established via electrolytic copper. Aluminium and copper-aluminium plate material are also used as alternative materials to a much lesser degree. Transmission capacities and dimensions of current connectors cover a broad spectrum. Very High electrical currents are not unusual in the case of E-locomotives or electrolysis plants, and temperatures can rise to 120 °C. Current connectors for such applications weigh up to 50 kg.

Foil connectors can resist as high an electrical load as comparative copper rails in a solid configuration. Their disadvantage when compared to wire connectors is that they can only move in two directions. Wire connectors are distinguished by low transition resistances and excellent mobility in all directions. The relatively large surface ensures effective thermal dissipation.

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