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ecosyn®-SEF – Operationally Safe Contact Screw Connection

Bossard ecosyn-SEF

ecosyn®-SEF combines a self-locking nut with an integrated conical spring washer and large contact surface. ecosyn®-SEF is a multifunctional fastening element for the safe connection of electrically conductive contacts, especially in the high-voltage range. But ecosyn®-SEF is also excellently suited for purely mechanical connections.

With vibrations applied or external loads on the clamping point, the special thread has proven itself against loosening of the contact screw connections. The washer reduces surface indentations due to the repeat assembly, which ensures a perfect electrical current transmission. The larger contact surface of the ecosyn®-SEF reduces the surface pressure and can be effective for long holes bridge the power transmission.

 

ecosyn-SEF Visual

  • Applications
  • Features
Bossard ecosyn-SEF Application

ecosyn® SEF nuts are particularly suitable for electrical contacts, slotted screw connections and connections subject to vibration:

  • Electric mobility
  • Rail vehicles (e.g. power electronics)
  • Electrical devices with safety-relevant connections
  • High voltage batteries
  • Transformers
  • Slotted connections, e.g. for adjustments
  • Compounding of non-ferrous metals with large coefficients of expansion with temperature fluctuations
  • Screw connections of components made of aluminium, copper or soft materials with high settlement
Bossard ecosyn-SEF Application
  • Design of the contact junctions for high-voltage and low-voltage applications
  • Proven loosening protection
  • High compensating capacity against settling phenomena
  • Multifunctional solution for efficient assembly
  • Large area coverage for large through holes

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