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System cover

cable seal with hot shrink-fit method

HSI90 D... WS

  • Mechanical fixing (bayonet) and seal (clamping nut) act independently
  • Bayonet system with return lock and locking screw connection (for protection against automatic opening)
For use in wall insert and aluminium flange HSI 90. The thermal sleeves support a wide area of application. They are shrunk onto the cables by means of the application of heat from the system cover socket. Empty system cover sockets can be sealed with blind plugs.



  • Wide area of application
  • Best possible shrink result thanks to centring straps
  • Hot-melt adhesive in thermal sleeve creates seal with cable

Scope of delivery:

  • Thermal sleeves
  • Centring strap for HSI 90-D1/75


  • System cover with socket: polycarbonate
  • Clamping nut: PC/PBT blend
  • Thermal sleeve with hot-melt adhesive: polyolefin
  • Centring strap: EPDM


  • Gastight and watertight to 2.0 bar

Installation instructions

Data sheet & tender specification

For download of data sheet and tender specification please configurate the product in the section below and download via the symbol


System cover also available in cold shrink-fit method.

Socket diameterNumber of cables/mediumApplication range cable diameterOrder ref.Article no.GTIN
75125 - 72HSI90 D1x75 WS30303000894052487060936
32312 - 30HSI90 D3x32 WS30303000904052487060899
2068 - 18HSI90 D6x20 WS30303000914052487060912