The ISC D4Pro Descender is the same great Work/Rescue Descender with a broader 'sweet spot', ideal for longer descents and rescue/belay applications. Certified to EN 12841, it provides an extra level of assurance and peace of mind for rope access and rescue users.

As the D4PRO does not incorporate a panic-brake, it is not possible for the device to fully meet the criteria of ANSI Standards.  The D4PRO is fully certified to EN 12841 (a panic brake is not a compulsory criteria of this standard).

If you require a Descender which fully meets ANSI standards, please see RP880 D4 Work/Rescue Descender, (with incorporated panic-brake).

Technical Information

• Rope diameter range (mm) - 10.5-11.5mm (7/16")
• Panic brake - No
• Number of persons - 2
• (SWL) Safe Working Load (kg) - 240
• (SWL) Safe Working Load (lbs) - 529
• ANSI compliant version - No
• Serial numbering - As standard
• EZYiD  - Available on request
• Cam material - Stainless Steel
• Weight (grams) - 676
• Weight (ounces) - 24

Approved Standards

• CE EN 12841
• Meets NFPA 1983

NOTE:

As the D4PRO does not incorporate a panic-brake, it is not possible for the device to fully meet the criteria of ANSI Standards. The D4PRO is fully certified to EN 12841 (a panic brake is not a compulsory criteria of this standard).

If you require a Descender which fully meets ANSI standards, please see RP880 D4 Work/Rescue Descender, (with incorporated panic-brake).

Rated load 240kg (550lb). This rating is achieve WITHOUT the need to add additional friction to the system.