rs Sirius® Key System

Patented Security Cylinder with Extensive Masterkey Capabilities

Benefits

📩 Get a Specification for Your Project

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Key advantages

✅ Patent Protection Until 2043
✅ Scalable Master Key Capability
✅ Colour-Coded Key Management
✅ Drill and Pull Resistance
✅ Starline Technology

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Innovative, Patented Security Cylinders for Maximum Control.

The DOM rs Sirius® is a patent-protected Euro cylinder designed for locksmiths and security professionals who need secure, scalable master key systems. With exclusive patent protection until 2043, it offers long-term key control, helping you safeguard clients against unauthorised duplication for decades to come.

Perfect for both single-coded use and large, complex master key systems, the rs Sirius® is ideal for demanding environments such as schools, hospitals, airports, and government buildings. Built to perform at scale, it delivers outstanding durability, high drill and pull resistance, and unbeatable value.

Featuring DOM’s advanced Starline technology, rs Sirius® cylinders offer technical key copy protection, ensuring keys can only be duplicated with authorisation. Each key also includes an interchangeable coloured ball, allowing installers to assign colour codes for different user groups or access levels, simplifying on-site management and system organisation.

A longer key neck design ensures smooth operation even when used with escutcheons, and the solid construction provides dependable physical resistance for peace of mind in every application.

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Benefits


  • Patent Protection Until 2043 – Long-term protection against unauthorised key duplication.
  • Scalable Master Key Capability – Built to support everything from small systems to multi-site installations.
  • Colour-Coded Key Management – Each key includes a removable coloured ball to define user roles or access levels.
  • Drill and Pull Resistance – Robust construction to withstand common attack methods.
  • Starline Technology – Advanced technical key copy protection, exclusive to DOM.
  • Long Key Neck Design – Ensures ease of use with escutcheons or protective furniture.
  • Single or Master Keyed – Flexible to suit a range of security needs.
  • High-Value, High-Volume – Cost-effective performance for large-scale rollouts.

In detail

Find out what makes the new DOM rs Sirius® unique, in full transparency.

  • New silver key
  • Modern design with red colour ball
  • Long key neck for better fitment
  • Technical key copy protection ‘Starline’
  • Patent approved until 2043
  • Conventional key
  • Sprung tumblers
  • SL - Function pin
  • Profile pins
  • Carbide pin in housing
  • Housing pins
  • Hard steel pin in core

Learn more about the rs Sirius® Cylinder System

Want to explore the full rs Sirius® platform, including cylinder types, key options, finishes, and technical details? Visit the main product page for everything you need.

Explore rs Sirius®