Skylotec Sirius Descender (A-050)


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The Skylotec Sirius is a self-locking descender specially designed for all kind of rope-based access work, e.g. industrial climbing, height rescue or rope work for arborists and building cleaners. The Skylotec Siriusis combines all the advantages of the best descenders and offers outstanding handling and long service life with its extremely compact design. The device lies perfectly in your hand. Its auto-returning operation lever has a particularly small radius of motion so that you can work noticeably faster and more accurately - and therefore more comfortably and safely

The lever also has an additional small hole on top. This means that in the event of a rescue, it is possible to attach an accessory cord to the victim's lever and simultaneously operate both descenders on two separate ropes or operate a descender from distance. Skylotec have equipped the Sirius with a becket (upper attachment point) for mechanical pulley systems, which allows the user to quickly transport work materials and tools to the site of use. The rope insertion is intuitive and safe: The karabiner stays connected to the device at all times. Skylotec designed the route of the rope in such a way that it is protected from twisting and kinking, and from excessive wear and tear. Skylotec also completely eliminated wear-vulnerable synthetic parts so that you can depend on Sirius, even under the harshest conditions, to reliably and enduringly support you. 100 % metal stands for 100 % safety and quality.

Key Features

  • Best ergonomics and long service life in its most compact form.
  • Outstanding handling thanks to compact design and intuitive route of the rope.
  • Long-lasting and sturdy: 100% metal.
  • Auto-locking function, improved anti-panic function

Maximum descent rate

  • 2 m/s

Rope capacity

  • Low Stretch ropes (EN 1891 type A) with diameter 10 mm ≤ ø ≤ 12 mm


  • minimum: 30 kg
  • Single-person use: 140 kg
  • Rated load: 250 kg


  • EN 12841:2006 Type C
  • EN 341:2011 Class A (Rescue)
  • ANSI/ASSE Z359.4-2013


  • 510 g