Nano-Lok Arc Flash Twin-Leg Personal Self-Retracting Lifeline Kevlar Fiber Web, 8 ft
DBI-SALA Nano-Lok Self-Retracting Lifeline is ideal for direct connection to most harnesses. Whether the application requires single or twin leg configurations, mounting to an overhead anchor, or connection directly to a harness, there are numerous models to choose from that suit almost any application. 3M DBI-SALA Nano-Lok Self-Retracting Lifeline locks quickly stopping a fall within inches - providing more protection at low heights. These features are key safety improvements and provide the user with additional security on the job.
ANSI Class Level 1; ANSI/ASSP Z359.14-2021; 29 CFR OSHA 1910.140; 29 CFR OSHA 1926.502 Twin legs deliver 100 percent tie-off: one leg stays anchored while the other moves, so the worker is never unprotected during transitions.
Who Needs This Product
Built for crews that move: steel erection, rebar, scaffolding, and any work where the next anchor point is always a step away. One leg stays tied off while the other transitions.
Features
Compact & lightweight design
Compact & lightweight design, engineered into this DBI-SALA configuration as standard.
Quick activating speed sensing brake
Quick activating speed sensing brake system, engineered into this DBI-SALA configuration as standard.
Durable thermoplastic housing
Durable thermoplastic housing, engineered into this DBI-SALA configuration as standard.
Swivelling anchorage loop
Swivelling anchorage loop, engineered into this DBI-SALA configuration as standard.
Built-in connector for direct attachment
Built-in connector for direct attachment to harness.
High capacity external energy absorber
High capacity external energy absorber and impact indicator.
Technical Specifications
| SKU | 3100588 |
|---|---|
| Average Arrest Force | 1125 lbf (ANSI); 1125 lbf (OSHA up to 420 lb); 1125 lbf (OSHA 130 lb - 310 lb) |
| Connected Safety ID Equipped | Yes |
| Harness Connection Hook Material | Zinc Plated Steel |
| Harness Connection Type | Single Pin Connector |
| Housing Material | Nylon Thermoplastic |
| Install Type | Portable & Removable |
| Leg Count | Twin-Leg |
| Lifeline Connection Type | Rebar Snap Hook |
| Lifeline Hook Material | Aluminum |
| Lifeline Length | 8 ft |
| Lifeline Material | Fire Resistant Web |
| Maximum Arrest Force | 1800 lbf (ANSI); 1800 lbf (OSHA up to 420 lb); 1800 lbf (OSHA 130 lb - 310 lb) |
| Maximum Number of Users | One |
| Mounting Type | Direct to Harness Back |
| Net Weight | 7.4 lb |
| Overall Length | 8 ft |
| Product Series | Nano-Lok |
| Product Type | Self Retracting Lifeline |
| Specifications Met | ANSI Class Level 1; ANSI/ASSP Z359.14-2021; 29 CFR OSHA 1910.140; 29 CFR OSHA 1926.502 |
Anchor at or above the D-ring. This is a Class 1 device: free fall is limited to 2 ft, and it is not rated for foot-level tie-off or leading edge exposure. Remove the unit from service immediately after any fall arrest.
Compliance Standards
ANSI/ASSP Z359.14-2021 Class 1
Certified as a Class 1 self-retracting device under the 2021 standard that replaced the legacy Class A and B designations.
OSHA 1926.502 and 1910.140
Meets OSHA personal fall protection requirements for construction and general industry.
3M Quality
Designed, tested, and certified by 3M Fall Protection, the successor to Capital Safety and the DBI-SALA legacy.
One-Year Warranty
Covered by the 3M Global Product Warranty against factory defects in workmanship and materials.
Typical Applications
Setup Overview
- Inspect the housing, both lifelines, energy absorbers, impact indicators, and all connectors before use.
- Mount the twin unit to the harness interface per the manual.
- Connect the first leg to the anchorage and verify the gate locks before moving.
- Alternate legs anchor-to-anchor so one leg is always connected.
- Verify anchor positions and fall clearance per the manual before working.
Full use instructions ship with the unit; the instruction manual is linked in the documentation section below.
Inspection and Retirement
Inspect before each use, and have a competent person inspect the unit on a documented schedule per the applicable ANSI standard and the 3M manual.
- Hardware: cracks, distortion, corrosion, and loose fasteners.
- Webbing or lifeline: cuts, frays, burns, abrasion, and chemical damage.
- Connectors: gates close and lock; no distortion at either end.
- Labels: present and legible, with the inspection log current.
- Retraction and brake: smooth payout, positive lock on a sharp pull, and an undeployed impact indicator.
Retirement triggers: any fall arrest event, failed inspection, or damage beyond the limits in the manual.
Fall ProtectionDistributors, LLC Free Tool · No Signup · OSHA 1926.502 Free Interactive Tool Fall Protection Calculator Pick your system. Run the math. Generate a plan. 1Pick Your SystemDetermine fall restraint vs. fall arrest based on your work surface, edge access, and clearance. 2Run the MathCalculate exact fall clearance required below the work surface for your SRL or lanyard setup. 3Generate a PlanGet a printable OSHA-compliant Fall Protection Plan structured around 29 CFR 1926.502(k).
Frequently Asked Questions
DBI-SALA 3100588 Submittals and Documentation
Nano Lok SRD 5908117 User Instructions (PDF)Full specifications, connector tables, clearance data, and inspection procedures. Personal Safety Products Firefighting Notice (PDF)3M notice regarding fluorinated organic compounds. 3100588 Inspection Form (PDF)Printable pass/fail checklist for documented inspections.Compatible and Related Products
- DBI-SALA Nano-Lok Arc Flash 3100264 11 ft Web SRL, Single Leg. Related DBI-SALA product in this line.
- DBI-SALA Nano-Lok 3100520 6 ft Web SRL, Single Leg, Snap Hook. Related DBI-SALA product in this line.
- DBI-SALA Nano-Lok 3100548 6 ft Web SRL, Twin Leg, Rebar Snap Hook. Related DBI-SALA product in this line.
Moving Your Crew to 100 Percent Tie-Off?
Confirm your setup with us and we will make sure the right equipment ships together, based on the delivery location.
Call 863-703-4522 to talk to a fall protection specialist.
3M DBI-SALA Global Product Warranty
Unless otherwise provided by local laws, 3M fall protection products are warranted against factory defects in workmanship and materials for a period of one year from the date of installation or first use by the original owner.
Limited Remedy: Upon written notice to 3M, 3M will repair or replace any product determined by 3M to have a factory defect in workmanship or materials. 3M reserves the right to require product be returned to its facility for evaluation of warranty claims. This warranty does not cover product damage due to wear, abuse, misuse, damage in transit, failure to maintain the product or other damage beyond 3M's control. 3M will be the sole judge of product condition and warranty options. This warranty applies only to the original purchaser and is the only warranty applicable to 3M's fall protection products.
Limitation of Liability: To the extent permitted by local laws, 3M is not liable for any indirect, incidental, special or consequential damages including, but not limited to loss of profits, in any way related to the products regardless of the legal theory asserted.
The warranty above is made in lieu of all warranties or conditions, express or implied, including the implied warranties or conditions of merchantability or fitness for a particular purpose. Please contact 3M's customer service department in your region for assistance with warranty claims, or reach out to our team at Fall Protection Distributors, LLC and we will help you start the process.
