ISC D4Pro Work/Rescue Descenders


  • Brand: ISC
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Product Description

The standard D4 Work/Rescue Descender (RP880) has proven to be a popular Descender amongst Rope Access & Rescue users, all over the world.  Many users value the extra peace of mind of having a panic-brake function. Feedback gathered from highly qualified and experienced ‘Pro’ users highlighted a demand for a device which does not incorporate a panic-brake function.  Enter the D4 PRO!  The D4 PRO Descender is the same great Work/Rescue Descender, but without the panic brake. This can be particularly useful on longer descents and in rescue/belay applications, where a broader ‘sweet spot’ is welcomed. As the D4 PRO does not incorporate a panic-brake, it is not possible for the device to fully meet the criteria of NFPA and ANSI Standards.  The D4PROis fully certified to EN 12841 (a panic brake is not a compulsory criteria of this standard).


  • Weight: 24 oz.
  • Rated Load: 529 lbs.
  • Rope Size:  7/16 in.
  • Body Material: Aluminium
  • Finish: Anodised
  • MBS:  3,597 lbf. (16kN)
  • Standards: EN12841


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