MSA Self Retracting Lifelines

DYNA-LOCK SELF RETRACTING LIFELINES

The MSA Dyna-Lock Self Retracting Lanyards (SRL) are fast-acting fall arresters that limit free-fall distance, deceleration distance and fall arrest forces while allowing user freedom of movement. The Dyna-Lock SRL is ideal for climbing applications where vertical mobility is needed.

The Dyna-Lock SRL has a 4.5 feet per second locking speed. A built-in shock absorber limits fall arrest forces to under 900 lbf. Three continuously moving independent braking mechanisms prevent freezing in icy or corrosive conditions. Available with 3/16 inch galvanized or stainless steel wire rope, or 1 inch wide nylon webbing. A forged steel, zinc-plated, self-locking swivel snaphook is present on each unit with a load indicator that activates and alerts the user when the Dyna-Lock SRL has been impact loaded. The Roughneck model incorporates a black corrosion-resistant coating designed for severe environmental conditions. Meets ANSI Z359.1, ANSI A10.14, and applicable OSHA standards. Models with CSA part numbers are CSA certified.

Capacity (working load) For 20’ web, 50’, 70’, and 95’ cable Dyna-Lock Models:

  • Maximum: 400 lbs (181 kg)
  • Minimum: 75 lbs (34 kg)

For 20’ cable Dyna-Lock, Short-Stop, and Sure-Lock Models:

  • Maximum: 310 lbs (140 kg)
  • Minimum: 75 lbs (34 kg)

Arrest Force

  • 75 - 310 lbs < 900 lbf (4 kN)
  • 311 - 400 lbs < 1800 lbf (8 kN)

Arrest Distance

  • 75 - 310 lbs < 40 in (68 cm)
  • 311 - 400 lbs < 54 in (137 cm)


Dyna-Lock SRL
Part No. 506204
Backpacker SRL
Part No. 506619
20’ Wire Rope
Dyna-Lock SRL
Part No. 10017931
20’ Strap
Dyna-Lock SRL
Part No. 506615
Dyna-Lock® SRL Ordering Information
Part No. CSA Part No. Description
506202 10006470 Dyna-Lock SRL, galvanized wire rope, HL2000S, 10M (30’)
506204 10006468 16M (50’)
506206 10006466 22M (70’)
506208 10006464 30M (95’)
506203 10006469 Dyna-Lock SRL, stainless steel wire rope, HL2000S, 10M (30’)
506205 10006467 16M (50’)
506207 10006465 22M (70’)
506209 10006463 30M (95’)
506330 Dyna-Lock SRL, stainless steel wire rope, HL2000s, RoughneckTM version 10M (30’)
506331 16M (50’)
506332 22M (70’)
506333 30M (95’)
506615 10006447 20’ web Dyna-Lock, nylon, HL2000S
10017931* 10017933* 20’ Wire Rope Dyna-Lock, stainless steel, HL2000S
*310 lbs maximum capacity
Backpacker™ SRL Ordering Information
Part No. CSA Part No. Description
506619 10006446 Backpacker 20’ web Dyna-Lock, nylon, RL20S

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