3401002 – Sealed-Blok (SRL) Self Retracting Lifeline – 130 ft. (39m) – Galvanized steel lifeline w/ snap hook – RSQ dual-mode: Fall arrest or descent – 4 ft. tie-off adaptor

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  • Complete seal
  • 4ft. tie-off adaptor w/ carabiner
  • Swiveling snap hook
  • RSQ™ dual-mode: Fall arrest or descent mode
  • 130 ft. (39m) – 3/16″ (5mm) galvanized steel cable lifeline
  • Handle equipped w/ 3M Connected Safety ID
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  • 100% completely sealed system for harsh environments
  • RSQ™ dual-mode: Allows for SRL to be set to either Fall Arrest or Descent mode.
  • Cable tie-off adaptor – 4 ft. (1.2m) with carabiner
  • 130 ft. (39m) – 3/16″ (5mm) galvanized cable lifeline
  • Swiveling galvanized steel snap hook
  • Saflok anchorage carabiner
  • Large pivoting anchorage loop
  • Reserve lifeline system
  • Cable lifeline replacement system

Sealed SRL's

Sealed-Blok SRL's are heavy-duty self retracting lifelines designed for use in the WORST conditions.

Specifically built to withstand saltwater or any other mucky moist location - they are completely sealed to prevent damage to internal components

  • Sealed Design - ensures efficient & safe operation under all working conditions.
  • Secondary Anchorage Point - Allows for second back up anchorage point.
  • Dual RSQ mode - Allows users to select between fall arrest and descent mode
  • Fast-line - Allows for quick lifeline replacement while out in the field

TD;LR - Sealed SRL's are ideal for use in harsh environments where moisture or tiny particulates can damage SRL's internal components.


Self-retracting lifelines (SRL's)

An SRL is an alternative to traditional shock absorbing lanyards and work a lot like a seat-beat - pull out slowly and extend the line; but don;t you try to run with it.

These devices are specifically designed for professionals who work way up high - stopping falls within inches to allow great mobility.

Real quick - whats an SRL?
  • Retractable lifelines designed to stop a fall within inches.
  • Constantly under tension, but extends or retracts as the user moves up and down.
  • Offers greater protection then a shock absorbing lanyard.

TL;DR - Self-retracting lifelines connect a harness to an anchor and offers great fall protection than a simple lanyard.


RSQ Self-retracting Lifelines

Dual-mode RSQ models allow crews to choose between fall arrest, self-rescue or whatever is most appropriate for the application.

3m dbi sala RSQ SRL with fall arrest mode

Fall Arrest Mode - A speed sensing break stops the fall, reducing the falling forces to safe levels.

3m dbi sala RSQ SRL with automatic descent mode

Descent Mode - Brakes to stop the fall, then instantly a centrifugal brake activates and safety lowers the user to solid ground.


Additional information

Weight87 lbs
Dimensions17 × 14 × 8 in
Lifeline Material

Galvanized Cable

Overall Length

130 ft. (39 m)


Product Family


SRL Application

For vertical use

Lanyard Leg Count


Hook type to structure


Hook type to Harness

Snap Hook


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