SIRIUS packs the advantages of the best descenders for industrial and rescue applications into an extremely compact design - for better handling. SIRIUS offers best ergonomics and long service life in its most compact form, outstanding handling thanks to compact design and intuitive route of the rope. this long-lasting and sturdy, 100% metal with auto-locking function and an improved anti-panic function makes it best in class.

key features & application

  • SIRIUS  is the first self-locking descender especially designed for all kind of rope-based access work including: industrial climbing, height rescue or rope work for arborists and building cleaners.
  • SIRIUS combines all the advantages of the best descenders an offers outstanding handling and long service life with an extremely compact design.
  • the device lies perfectly in your hand.
  • it's 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 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 victims lever and simultaneously operate both the descenders on two (2) separate ropes or operate a to descender from distance.
  • the SIRUS is equipped with a becket (upper attachment point) for mechanical pulley systems, which allows the user to quickly transport work materials and tools top the site of use.
  • the rope insertion is intuitive and safe; the carabiner stays connected to the device at all times. 
  • during rope insertion, which is intuitive and simple, the carabiner on the harness can stay connected to the device. the route of the rope is designed in such a way that it is protected from twisting and kinking, and from excessive wear and tear.
  • SIRIUS was developed for extended use under the toughest of conditions.
  • it is made of up to 100 % metal - without any vulnerable synthetic spots.

mechanical data

  • standard: ANSI/ASSP Z359.4-2013 
  • abseiling speed: 2 m/s
  • max number of persons: 2
  • rated load: 250 kg
  • operating temperature: 60°C - -30°C
  • size: 47x79x175 mm
  • weight: .51 kg
  • material: aluminium, steel

[operational manual]


[Declaration of conformity]


SKU A-050
Barcode # 4030281286943
Shipping Weight 0.5100kg
Shipping Width 0.079m
Shipping Height 0.047m
Shipping Length 0.175m
Shipping Cubic 0.000650000m3
Unit Of Measure Each