3M™ DBI-SALA® Smart Lock Self-Retracting Lifeline, Cable, Snap Hook

Our smartest SRLs yet. From reducing nuisance lockups, to simplifying inspections, every detail of the new 3M™ DBI-SALA® Smart Lock Self-Retracting Lifelines is designed to help increase your productivity, safety and convenience.

Includes: Carabiner


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Self Retracting Lifeline with Rugged and Lightweight Thermoplastic Housing

Using advanced motion capture technology, 3M studied the way users work, move, and interact with SRLs on a typical job site. This data helped us engineer an arrest mechanism designed to better accommodate your natural work motions—resulting in fewer unintentional lockups. The Smart Lock SRL complies with OSHA 1910.140 General Industry Helps protect general industry workers up to 310 lbs. from falls when working with as little as 4 ft. of fall clearance.

Length Options:

20 ft. (3503803)
30 ft. (3503800)
50 ft. (3503824)

Product Highlights

  • Rugged and lightweight thermoplastic housing with built in ergonomic handle
  • 3/16" (5mm) Galvanized steel cable lifeline
  • 4ft. fall clearance allows workers up to 310 lbs. to meet OSHA's 1910 general industry rule
  • Patent pending magnetic retraction control system allows lifeline retract smoothly, hands free
  • Swiveling anchorage point and carabiner included
  • Patent pending dual label system located within ergonomic cable handle
  • Swiveling snap hook with impact indicator

3M™ DBI-SALA® Smart Lock Self-Retracting Lifeline, Cable, Snap Hook Specifications *( 1,2 )

Model Number(s):
3503803, 3503800, 3503824
Product Series:
Smart Lock™
Product Category(s):
Cable & Rope SRLs, Mounted SRL, Single-Leg SRL
Length Option(s):
20 ft. (SKU: 3503803)
30 ft. (SKU: 3503800)
50 ft. (SKU: 3503824)
Anchor Hook Material:
Zinc Plated Steel
Snap Hook
For Use With:
Full Body Harness and Anchor Point
Harness Connection Type:
Housing Material:
Glass-Filled Nylon
Housing Type:
Lifeline Hook Material:
Zinc Plated Steel
Lifeline Material:
Galvanized Steel
Galvanized Cable
Mounting Type:
Overhead Anchor Point
Product Color:
Recommended Industry:
Renewable, General Industry
Specifications Met:
ANSI Z359.14, OSHA, ISO170025
Weight Capacity:
420 lb
Product Weight(s):
11.2 lbs. (SKU: 3503803)
11.8 lbs. (SKU: 3503800)
16.1 lbs. (SKU: 3503824)
UPC / GTIN No(s).:
00840779164080 (SKU: 3503803)
00840779162628 (SKU: 3503800)
00840779162772 (SKU: 3503824)
Manufacturer Part No(s).:
70804492539 (SKU: 3503803)
70804492505 (SKU: 3503800)
70804492604 (SKU: 3503824)
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Smart Lock Self-Retracting Devices User Instruction Manual

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3M™ DBI-SALA® Smart Lock Self-Retracting Lifelines

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