RS3 S cylinder

CISA RS3S cylinders are the ideal solution for anyone who needs maximum protection against forced entry and control over key duplication.

Maximum protection and controlled duplication, as keys can only be duplicated by CISA.

+ 40% resistance to pulling and tearing thanks to the Snap Resistant feature, a dual-material steel core.

High resistance to bumping (percussion) thanks to the configuration and high number of pins arranged radially.

Request AuthentiCard to manage and control key duplication online, learn more.


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  • Key bitting system: 13 active pins arranged radially on three rows, up to 19 pins on five rows for master keying potential
  • Pins in hardened steel
  • Drivers in hardened steel
  • Stainless steel springs
  • Brass body with Snap Resistant dual-material core
  • Brass plug
  • Clutch-type cam for emergency function



  • Reversible, easier to use
  • With built-in mobile element, protected by 3D trademark
  • Material: nickel silver alloy
  • Numerical code on key bow
  • Blade length: 16 mm (compatible with protective roses)
  • Key duplication only at CISA


  • 3 keys
  • Security Card
  • Operating and maintenance instructions
  • Fixing screws


  • Standard: sanded nickel-plated brass (fin. 12)
  • On request: polished brass (fin. 66)


  • In compliance with EN1303: 2005

Key Related Security: 6
Attack Resistance: 2
Durability: 6

  • For armoured doors classified from 4 to 6 according to standard


  • Key: EP1728944
  • Snap Resistant core: Europe EP1583878, Russia RU2361989
  • ALI is protected by shape trademark no. BO2004C0000802