DOM 3 Star rs Sirius Cylinder Hero Image

rs Sirius® TS007 3-Star Patented Security Cylinder

Patented UK-built cylinder with TS007 3-Star certification, flexible single-coded or master-keyed supply, and reliable performance for compliant external doors.

Benefits

📩 Get a Specification for Your Project

Just enter your name and email, and your local DOM expert will get in touch to help design the right rs Sirius ®  TS 007 3-Star cylinder specification for your doors and master key system.

Key advantages

✅ TS007 3-Star certified security
✅ Patented key protection (approved until 2043)
✅ Single-coded or master-keyed supply
✅ Ideal for external doors in residential and commercial buildings
✅ Friendly expert advice — no obligation

By clicking submit on this form, you acknowledge that the information you provide will be transferred to DOM-Security for processing in accordance with our Data Protection Policy

BSI Certified & Patent Approved until 2043

The DOM rs Sirius® 3 -Star cylinder brings together the features installers rely on every day: proven TS007 3-Star certification, patented key protection approved until 2043, and full master key capability. With flexible configuration options available as single-coded or master-keyed, it suits everything from individual door upgrades to large, multi-unit developments. Built to BSI specification in the UK, the rs Sirius® 3-Star provides locksmiths and architectural ironmongers with a reliable, technically advanced solution that meets the demands of modern external doors while maintaining the quality and consistency DOM is known for. Its innovative cam mechanism delivers enhanced snapping resistance, making it a strong choice for projects requiring trusted mechanical security.

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Engineered for Reliability, Built for Real-World Security

The rs Sirius® platform combines durable materials with a patented key profile to ensure long-term peace of mind for both installers and end users. Reinforced with carbide and hardened steel pins, it offers robust protection against drilling, pulling, and other common attack methods while maintaining smooth, consistent operation. The enhanced cam mechanism maintains functionality even under attack, supporting compliance with the TS007 3-Star standard. Designed for complex locking arrangements and everyday handling alike, the DOM rs Sirius® 3-Star performs across residential, commercial, and multi-occupancy buildings, a future-proof choice backed by decades of DOM engineering expertise.

I wanted to thank Emma Chapman and the team for all their help, particularly with large commercial projects over the last few years, couldn’t have done this without you and the range of product that DOM supply.


Roland Golby

Roland Golby - Director - A1 Seecure Locksmiths

Thank you for your great service on our recent order. Everything was correct, cylinders all labeled up and fast delivery time.
Its a shame other companies aren't as efficient as DOM!

Leigh Gawley - George Boyd

Benefits


TS007 3-Star Kitemark
Certified protection against common attacks.

Patented System (2043)
Long-term key control and security.

Extensive Master Keying
Ideal for simple or complex systems.

Flexible Configuration
Single-coded or master-keyed options.

Built to BSI Specification
UK-made with precision engineering.

Innovative Cam Mechanism
Maintains function even under attack.

Widely Compatible Fit
Suitable for standard UK door setups.

Easy Installation
Quick to fit and replace.

Modern Key Design
Updated look with coloured ball.

Escutcheon Compatible
Extended neck for protected fittings.

High Attack Resistance
Strong drill, pull & snap protection.

Carbide & Steel Pins
Reinforced durability inside core & body.

Starline Key Protection
Prevents unauthorised key duplication.

In detail

Find out what makes the new DOM rs Sirius® 3-Star unique, engineered with transparency, precision, and performance.

    1. New silver key
    Modernised key design with a premium silver finish for a clean, professional look.

    2. Modern design with red colour ball
    Distinctive identification ball for quick visual recognition and improved user handling.

    3. Long key neck for better fitment
    Extended key neck ensures compatibility with protective security fittings and escutcheons.

    4. Technical key copy protection ‘Starline’
    Built-in technical query system prevents unauthorised duplication and enhances manipulation resistance.

    5. Patent approved until 2043
    Long-term legal protection for peace of mind and assured exclusivity on key profiles.

    6. Conventional key
    Trusted mechanical platform with smooth operation and vertical insertion

    7. Sprung tumblers
    Precisely engineered components providing reliable operation and increased protection against picking.

    8. Authorisation pin
    Snap function for key cam provides anti-snap thus achieving 3-Star status.

    9. Profile pins
    High-precision pins supporting accurate alignment, durability, and consistent key action.

    10. Hardened steel pin in housing
    Strong anti-drill protection in housing.

    11. Housing pins
    Durable housing components engineered to maintain long-term reliability and consistent performance.

    12. Hardened steel pin in core
    Strong anti-drill protection in core.

    13. Hardened locking cam with blocking mechanism
    To protect the cylinder in case of an attack.

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®


📩 Get a Specification for Your Project

Just enter your name and email, and your local DOM expert will get in touch to help design the right rs Sirius ®  TS007 3-Star cylinder specification for your doors and master key system.

Key advantages

✅ TS007 3-Star certified security
✅ Patented key protection (approved until 2043)
✅ Single-coded or master-keyed supply
✅ Ideal for external doors in residential and commercial buildings
✅ Friendly expert advice — no obligation

By clicking submit on this form, you acknowledge that the information you provide will be transferred to DOM-Security for processing in accordance with our Data Protection Policy

User Information

Important guidance on correct installation and attack resistance for the rs Sirius ®  3-Star cylinder.


🔗 View User Information