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DOM rs Sirius® Patented Security Cylinder with Extensive Masterkey Capabilities


A double cylinder has an internal and external key way and is hence a both sided lockable cylinder.

By opting for the DOM rs Sirius cylinder system, you are selecting an ideal entry level secure cylinder dealer profile which offers high quality at an affordable price.

The key is designed with built-in duplication resistance to ensure that it can only be copied by professional locksmiths. Designed as a master key system, RS Sirius is well placed for use in complex installations. Unleash the power of Sirius for all your security needs.


  • The exceptional design of Sirius makes it very difficult to duplicate
  • High level of drill and pull protection
  • Sirius comes with a long patent, safeguarding your investment
  • Ideal for use in complex masterkey systems
  • High value, high volume product with affordable pricing
  • Designed with a long key neck for easy accessibility
Conventional Key System
Single Coded
Master Key System
Grand Master Key System
Certification SKG 2 Star
Copy Protection
Registration Card
Reproduction Card

Suggested application of use

Airports, Education, Financial, Homes, Hospitals, Industrial, Medium to Large Sized Businesses, Offices, Plants, Public Buildings, Small to Medium Sized Businesses, Hotels



Trademark ProtectionYes
Key TypeConventional Key System
Registration CardYes
Reproduction CardYes
Total Number of Locking Elements17
MKS PossibilitiesGrand Master Keyed, Single Coded, Master Key, Registered Single Coded
Number of Active Locking Elements6
Number of Ant Bumping Elements2
Number of Anti Picking Elements2
Standard FinishMatt Nickel
Standard Housing MaterialBrass

Key Patent ProtectionYes
Key Patent Until (year)2043
System Patent ProtectionYes
System Patented Until (year)2043
Trademark ProtectionYes

Standard FinishMatt Nickel
Optional FinishesGold, Black, Bright Chrome, Matt Chrome, Matt Nickel, Satin Brass, Polished Brass
Standard Housing MaterialBrass
Number of Keys2
Key MaterialNew Silver
Standard CamDIN

Architectural Finishes (Colour Matching Service Available)

DOM Cilinder Dull Nickel

01 Satin Nickel

DOM Cilinder Bright Chrome

04 Polished Chrome

DOM Cilinder Satin Brass

05 Satin Brass

DOM Cilinder Polished Brass

06 Polished Brass

DOM Cilinder Light Oxidized Bronze

07 Dark Bronze

DOM Cilinder dark oxidized antique

09 Antique Bronze

DOM Cilinder Gold Plate

25 Gold

27 Matt Black

Available Knob Variants

DOM K1 Knob


DOM K2 Knob


DOM K4 Knob


DOM K6 Knob


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