NG # 0763-HW-3M-017
MF # 3503850
The 3M DBI-SALA® 3503850 Smart Lock Self-Retracting Lifeline (SRL-LE) is a 20 ft (6.1 m) leading-edge cable retractor built specifically for foot-level tie-off and sharp-edge protection.
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Custom Pricing
Get A QuoteIt is engineered under the ANSI/ASSP Z359.14 Class 2 standard, making it compliant for applications where the anchor point is placed below the user's dorsal D-ring or near sharp structural edges (such as deck construction, pre-cast concrete, or structural steel installation).
| Parameter | Specification |
| Model / Part Number | 3503850 |
| 3M Product ID | 7100238053 |
| Brand / Series | 3M™ DBI-SALA® Smart Lock |
| Lifeline Length | 20 ft (6.1 m) |
| ANSI SRL Class | Class 2 (Leading Edge / Below D-Ring Anchorage) |
| Cable Diameter & Material | 7/32 in (5.5 mm) Galvanized Steel Wire Rope |
| Housing Material | Thermoplastic housing with ergonomic carry handle |
| Energy Absorber Type | External backpack-style dynamic shock pack |
| Hook Type | Steel Swivel Snap Hook with load indicator |
| Max Capacity (ANSI) | 130 to 310 lbs (59 to 140 kg) combined weight |
| Max Capacity (OSHA) | Up to 420 lbs (190 kg) where permitted |
| Maximum Arresting Force | Average 1,350 lbs (6 kN); Max Peak 1,800 lbs (8 kN) |
| Standards & Approvals | ANSI Z359.14-2021 Class 2, OSHA 1910.140, OSHA 1926.502 |
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