EN 50518 – Locks for Alarm Receiving Centers and Critical Infrastructure
Standard: EN 50518:2019
EN 50518 defines requirements for alarm receiving centers (ARC) and related critical infrastructure. It covers physical security of the premises, including doors and locking systems. Doors in these facilities typically need RC4 or RC5 burglar resistance, multi-point locking, access control integration, and evacuation compliance.

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Standard Information
- Standard: EN 50518:2019
- Title: Alarm receiving centres and similar facilities
- Application: Alarm receiving centers, banks, government facilities, data centers, critical infrastructure
Door and Lock Requirements
Under EN 50518, doors in ARC and similar facilities typically must meet:
- Burglar resistance RC4 or RC5 (EN 1627)
- Multi-point locking systems
- Reinforced steel door construction
- Integration with access control systems
- Evacuation compliance (EN 179 or EN 1125)
- Monitoring of door and lock status
ISEO MULTIBLINDO for EN 50518 Applications
The ISEO MULTIBLINDO / FIAM multi-point lock system is suitable for doors in ARC and similar facilities. It offers:
- Multi-point locking (EN 179, EN 1125)
- Access control integration
- Anti-drilling protection
- Optional door and lock monitoring
- Compatibility with mechatronic systems
- Retrofit options for existing doors
For the full standard, see EN 50518 – Monitoring Center Doors in our European Standards section.