Auto descending device


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Rated for simultaneous two person evacuation

Emergency rescue and evacuation from elevated work areas.

Compliance with EN341 Class A, EN1496, static rope comply with EN1891 Type A, anchor point comply with EN795 connection device comply with EN362.

Bidirectional design, multiple rescues

Double brake with self-cooling function enable larger load and longer descent distance

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    Corrosion resistance C4H
    Vacuum sealed package available

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    Compact and high strength
    construction, Fully automatic
     controlled descent

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    Ball bearing rope routing design
    improves the durability and

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    Rope length can be custom made per
    customer requirement

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    Flexible anchor point, edge
     protector, and crow bracket etc

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    Built-in Spoke handwheel for
    rescue model

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    Sosaf-2 type
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    Sosaf-2R type
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    Sosaf-2R type
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    Brake system


Model:  Sosaf-2  /  Sosaf-2R

Descending speed:  0.9 m/s(~3 ft/s)

Service Temperature:  -40℃~+60℃(-40℉~+140℉)

Rope Diameter:  Ф 9.6 mm

Self-Weight(exclude rope):  1.9 kg (4.2 lbs)  /  2.5 kg (5.5 lbs)

Min. Descent Load:  30 kg(66 lbs)

Standard complied:EN341:2011/1A, EN1496:2006/A,
ANSI/ASSE Z359.4-2013,
CSA/CAN Z259.2.3-12/1/A

Descent Load:1 Person: 150 kg (331 lbs), Max. Descent Height: 500 m (1640 ft)
2 Persons: 250 kg (551 lbs), Max. Descent Height: 250 m (820 ft)
2 Persons: 282 kg (622 lbs), Max. Descent Height: 150 m (492 ft)

Rescue(IN EMERGENCY): 30 kg~150 kg (66 lbs~331 lbs), lifting 65 m (213.2 ft);
250 kg (551 lbs), lift 10 m (32.8 ft);
282 kg (622 lbs), lift 10 m (32.8 ft).