ISC D5 Work/Rescue Descender


ISC’s D5 Descender is a cutting-edge double-stop device engineered for enhanced safety and ease of use. Featuring an auto-lock function that activates whenever the handle is released, along with a panic brake designed for optimal sensitivity during normal use, the D5 ensures reliable control in any situation.

Equipped with a double safety locking mechanism, the D5 prevents side plate rotation when loaded, providing an added layer of security. Its seamless attachment/detachment from the rope, without the need to disconnect from the operator’s harness, eliminates the risk of accidental dropping, enhancing user confidence and safety.

With its user-friendly design, the D5 allows for effortless back-feeding of the rope, making it ideal for smooth ascending or emergency hauling in a 2:1 ‘Z-rig’ setup.


  • Panic brake
  • Serial numbering: As standard
  • EZYiD available for traceability


  • Compatible with rope diameter: 12.7mm
  • Number of persons: 2
  • Working Load Limit: 240kg
  • Cam material: Stainless Steel
  • Finish: Anodised
  • Approved Standards: EN12841:2006/C, NFPA 1983 G and ANSI Z359.4:2013

Download: Technical Datasheet

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