Ferno ISC D4 Descender

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The NEW D4 Work/Rescue Descender features a unique and innovative cam action, which offers precise control at slow or fast speeds. The progressive cam works by way of one cam operating inside another cam. 
The D4 has a 240kg (530lbs) Working load limit which means it is suitable for two-man rescue, without the need for the creation of extra friction. 
The handle mechanism is designed to rotate through 360º making its use easier and simpler. The handle itself is made from aluminium rather than plastic and is coated in a specially chosen paint which provides extra grip. Cleverly, the handle rotation is accompanied by audible clicks which help the user identify the correct position of the handle. 
Compatible with rope diameter (mm) 10.5-11.5mm (7/16")
Panic brake Yes
Number of persons 2
(WLL) Working Load Limit (kg) 240
(WLL) Working Load Limit (lbs) 530
ANSI compliant version As standard
Serial numbering As standard
Cam material Stainless Steel
Finish Anodised
EN12841, ANSI Z359, NFPA 1983- meets the requirements of EN341
5kN Slip load
Max User Weight > 240kg (530lbs)

Quick Specs

Brand ISC


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