The NEW D4 Pro 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 anti-panic function of the control handle makes this descender ANSI/OSHA Compliant.
The D4 has a 240kg (500lbs) 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 aluminum 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.
For more information on what we, and many dozens of experienced industry users think is the best work/rescue descender in the world, download the datasheet and User Instruction Manual below. EN12841, ANSI Z359, NFPA 1983- meets the requirements of EN341
5kN Slip load
Max User Weight > 240kg (500lbs)
| Compatible with rope diameter (mm) | 10.5-11.5mm (7/16″) |
|---|---|
| Panic brake | NO |
| Number of persons | 2 |
| (MBS) Minimum Breaking Strength (kN) | 16 |
| (MBS) Minimum Breaking Strength (lbf) | 3597 |
| Cam material | Stainless Steel |
| Body finish | Anodised |
| Weight (grams) | 678 |
| Weight (ounces) | 24 |
| Height (mm) | 140 |
| Height (inches) | 5 1/2 |
| Width (mm) | 82 |
| Width (inches) | 3 1/4 |
| Color | Black |
| Thickness (inches) | 3 7/8 |
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