Safety Direct Energy-Absorbing Dorsal Extension (310) — D-Ring Extender
Safety Direct Energy-Absorbing Dorsal Extension (310) instructions and documents
Safety Direct's own documents. Read the instructions before first use.
Safety Direct Energy-Absorbing Dorsal Extension (310)
Safety Direct's energy-absorbing D-ring extender — also called a shock-absorbing extension lanyard — attaches to the back D-ring of a harness, extending the tie-off point for an easy, safe connection while adding a 310 energy-absorbing component for a restraint lanyard shorter than 52 inches. Clear heat-shrink tubing protects the label and allows inspection of the energy absorber.
Safety Direct Energy-Absorbing Dorsal Extension (310) key features
- 310 energy absorber, single leg
- Extends the harness back D-ring tie-off point for easy connection
- Clear heat-shrink tubing protects the label and enables absorber inspection
- Available with Snap hook/D-ring or Loop/D-ring connections
- Available in multiple lengths (20"–24")
- ID/name can be added inside the shrink tube
- Made in Canada by Safety Direct Ltd. (Sherwood Park, AB)
| Specifications | |
|---|---|
| Webbing | 1 3/4" (45 mm) woven polyester, minimum tensile strength 5,000 lb (23 kN) |
| Hardware | Snap hook and D-ring — minimum break load 5,000 lb (23 kN), 3,600 lb (16 kN) gate rating |
| Maximum Deployment Length | 11.3 ft (3.5 m) |
| Maximum Free Fall | Must not exceed 6 ft (1.8 m) |
| User Capacity | 110–310 lb (50–140 kg) including clothing and equipment |
| Configurations | Snap/D-ring: 20" (LS1N8P00S81F20D0), 24" (LS1N8P00S81F24D0) • Loop/D-ring: 22" (LS1N8P41N81F22D0), 24" (LS1N8P41N81F24D0) |
| Certification | CSA Z259.11-17 (per manufacturer) |
| Manufacturer | Safety Direct Ltd. — Sherwood Park, AB (Made in Canada) |
Fall Clearance — Read Before Use
Important: when calculating free fall and fall clearance distances, the fully extended length of the dorsal extension MUST be included. Maximum deployment length is 11.3 ft and maximum free fall cannot exceed 6 ft. Use only as part of a complete personal fall arrest system with a CSA Class A (or higher) harness and certified anchorage, per provincial OHS regulations including Ontario O. Reg. 213/91, Alberta OHS Code Part 9, and BC OHS Regulation Part 11. Remove from service after arresting a fall.
Complete Your Fall Arrest System
Pair this extension with a Safety Direct restraint lanyard under 52" or your existing harness setup. Contact us for spec and ordering support.