The 3M™ DBI-SALA® Nano-Lok™ Edge Self-Retracting Lifeline (SRL) is engineered for foot-level tie-off and leading edge applications commonly encountered in construction and industrial environments. Designed to meet ANSI Class 2 requirements, this compact SRL connects directly to most harnesses and delivers rapid fall arrest performance at low heights. With a galvanized cable lifeline and high-capacity external energy absorber, it provides dependable protection where sharp edges and lower anchorage points are present.

Key Features

Designed for leading edge applications: Suitable for foot-level tie-off environments
Compact, ergonomic housing: Worn comfortably on the back and stays out of the way
Quick-activating speed-sensing brake: Locks within inches to minimize fall distance
Constant lifeline tension: Helps reduce dragging and trip hazards
Durable nylon thermoplastic housing: Built for demanding worksites
Built-in harness connector: Direct attachment to most full body harnesses
High-capacity external energy absorber: Manages fall forces effectively
Integrated impact indicator: Visual indication if involved in a fall
RFID enabled: Compatible with inventory and inspection management systems
Lanyard replacement capability: Can be used in place of traditional shock-absorbing lanyards

Intended Use

This self-retracting lifeline is intended for personal fall arrest in foot-level tie-off and leading edge applications where lower anchorage points are required.

Commercial and industrial construction
Structural steel erection
Precast and concrete work
Maintenance at height
Industrial facilities and infrastructure projects

Product Specifications

Product Name: 3M™ DBI-SALA® Nano-Lok™ Edge Self-Retracting Lifeline
Lifeline Material: Galvanized Cable
Lifeline Length: 7.3 ft
Housing Material: Nylon thermoplastic
Anchorage Type: Harness steel and aluminum locking pin
Lifeline Hook: Zinc Plated Steel Rebar Hook (2109193)
Weight Capacity: CSA: 310 lbs (140 kg) / OSHA: 420 lbs (191 kg)

Available Configurations:

3500252 (7012819209): Single leg
3500253 (7012819210): Twin-leg

Certifications and Standards

CSA Z259.2.2 Type 1: Canadian standard for self-retracting devices used in fall arrest systems
CSA Z259.2.2-17 SRL-LE: Specific requirements for self-retracting lifelines rated for leading edge applications
OSHA 1926.502: U.S. construction standard governing fall protection systems criteria and practices
OSHA 1910.140: U.S. general industry standard outlining personal fall protection system requirements