Sigma Iris was a traction elevator model made by Sigma Elevator Company from around the mid 2000s until around the early 2010s. It was discontinued and succeeded by the Sigma Iris NV which is a current model.


Sigma Iris is a gearless traction elevator for low to high-rise buildings. This model is usually identified by its unique two-stages (for upward) and four-stages (for downward) arrival chimes and a "Subsidiary of Otis Elevator Korea" label on the button panel just under the Sigma logo. Some elevators may not have this label however. The buttons are flat rectangular stainless steel, but there is also a bigger square ones. In addition, the door sill/track for this model is thin and the door movement speed is usually a little bit faster.


  • Traction
  • Gearless machine with permanent magnet synchronous motor (PMSM)
  • 1/1.5/1.75/2/2.5 m/s speed.
  • 450-1600 kg (or 6-24 persons) capacity.
  • Serves up to 32 floors (for 1-1.75 m/s speeds) and 40 floors (for 2-2.5 m/s speeds)

Notable installations



  • Cosmo Mansion and Residences
  • Hamptons Park (2007)
  • Pasaraya Grande Building B (2008)
  • Blok M Square (2006)
  • The Chandra Building
  • Ibis Budget Cikini (formerly Hotel Formule1)
  • Poins Square
  • Malinda Design Center (formerly La Codefin Kemang) (2009)
  • Glow Tower

Other cities

  • Heritage, Bintaro Junction, Tangerang, Banten
  • Riau Junction, Bandung (2006)
  • Tunjungan Plaza 1, Surabaya
  • Gramedia Expo, Surabaya
  • W Retreat, Bali (2010)

Other countries

  • Centro Office Tower, Kuala Lumpur, Malaysia
  • Chin Swee Temple, Pahang, Malaysia
  • Bangkok Mediplex, Bangkok, Thailand
  • Choi Tak Shopping Centre, Ngau Tau Kok (Ping Shan/Jordan Valley), Kowloon, Hong Kong, China (2010)

External links

To be added.

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