3M™ DBI-SALA® Nano-Lok™ 6ft. Personal Self-Retracting Lifeline, Web, Steel Snap Hook, ANSI Class 1 - 3100533

This Nano-Lok™ single-leg self-retracting lifeline has a compact & lightweight design. It features a 6ft. web lifeline with a zinc-plated steel swivel snap hook and a built-in connector for direct attachment to a harness.

SKU: 3100533

Available - Typically ships within 10 business days.
Save 30%

The self-retracting lifeline that redefines expectations

Offering versatility for many different applications, the 3M™ DBI-SALA® Nano-Lok™ Self-Retracting Lifeline is lightweight, compact, and designed with industrial-strength durability. The Nano-Lok™ SRL locks quickly, arresting a fall within inches, and provides extra protection even at low heights. Such features are significant advancements in terms of safety and offer the user increased protection while on the job.

Several SRL models are available to accommodate nearly any application. Whether you need single or twin-leg configurations, mounting to an overhead anchor, or connection directly to a harness, the 3M™ DBI-SALA® Nano-Lok™ has you covered.

Product Highlights

  • Compact & lightweight design
  • Quick activating speed sensing brake system
  • Durable thermoplastic housing
  • Swivelling anchorage loop
  • Built-in connector for direct attachment to harness
  • High capacity external energy absorber and impact indicator
  • RFID equipped and capatible with inventory management system

3M™ DBI-SALA® Nano-Lok™ 6ft. Personal Self-Retracting Lifeline, Web, Steel Snap Hook, ANSI Class 1 - 3100533 Specifications *( 1,2 )

Model Number:
Product Series:
Product Category:
Single-Leg SRL
Length Option:
6 ft.
ANSI Class Level
Class 1
Average Arrest Force (Imperial)
1125 lbf (ANSI), 1125 lbf (OSHA 130 lb - 310 lb)
Average Arrest Force (Metric)
5 kN (ANSI), 5 kN (OSHA 130 lb - 310 lb)
Connected Safety ID Equipped
Housing Material
Nylon Thermoplastic
Housing Type
Install Type
Portable & Removable
Leg Count
Lifeline Connection Type
Swivel Snap Hook
Lifeline Hook Material
Zinc Plated Steel
Lifeline Length (Imperial)
6 ft
Lifeline Length (Metric)
1.8 m
Lifeline Material
Maximum Arrest Force (Imperial)
1800 lbf (ANSI), 1800 lbf (OSHA 130 lb - 310 lb)
Maximum Arrest Force (Metric)
8 kN (ANSI), 8 kN (OSHA 130 lb - 310 lb)
Maximum Number of Users
Mounting Type
Overhead Anchor Point
Overall Length (Imperial)
6 ft
Overall Length (Metric)
1.83 m
Product Color
Product Series
Product Type
Self Retracting Lifeline - Web
Specifications Met
29 CFR OSHA 1926.502, ANSI/ASSP Z359.14-2021, 29 CFR OSHA 1910.140
Weight (Imperial)
1.9 lb.
Weight (Metric)
0.86 kg
Weight Capacity (Imperial)
420 lb.
Weight Capacity (Metric)
190 kg
Product Weight:
0 lbs.

Product Specification Disclaimer *( 1, 2 )

*1. Manufacturer's specifications are supplied by the manufacturer and are subject to change without notice. The data and information contained in these specification sheets are representative; the ratings supplied are suggested as guidelines and should only be used for evaluating your specific application.

**2. Although Reliable Electric Products Company Inc. has made every effort to ensure the accuracy of information by third parties, it is ultimately the customer’s responsibility to validate these specifications to ensure they are suitable for SAFE use in a particular application. Reliable Electric Products Company Inc. disclaims to the extent permitted by law, any warranty or liability.

Manufacturer's Extended Intended Use Disclaimer

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.

ANSI/ASSP Z359 Standards Update Summary

Open | Download

3M™ NANO-LOK® Self-Retracting Devices – User Instructions

Open | Download