XS4 Mini

The XS4 Mini for European DIN mortise locks has been designed with the requirements of DIN 18251 standard doors prepared for DIN 18250 standard mortise locks, and is compatible with the DIN 18251 standard fixing instructions.


Enhance your guest experience with SALTO, the global leader in hospitality access control. Our wire-free, smart keyless security gives you ultimate control and blends seamlessly with your hotel design and style.

Increase security and safety for people and property. SALTO delivers the most convenient, flexible, and secure access control solutions for all types of commercial and corporate facilities.

Deliver convenient, secure, and hygienic keyless access across the most complex healthcare sites. Combine control with flexibility to keep pace with fast-changing staff and patient needs.

Manage and control educational environments better. Balance security with accessibility, and advanced technology with affordability.

Shared Living Spaces
New technologies are transforming shared living communities. create a seamless and secure smart living experience for your residents.

SALTO is helping retail businesses simplify their access management workflow to increase productivity, security, and operations efficiency while reducing costs and optimizing processes for shared, single, and multiple locations for all types of retail environments.

Enhance the access experience for trusted users as you increase security and safety, improve work space efficiency, utilization, reduce staffing costs, and effortlessly incorporate future growth.


  • Simple installation using just two screws when installing on new or existing European / DIN door standards.
  • Clear, dual colour optical signalling indicates access authorisation. Acoustic signal optional.
  • High security via high resistance, hardened anti-drill protection.
  • Concealed fixing screws for greater security and improved aesthetics.
  • For indoor applications: quick and easy install makes it ideal for retrofits.
  • Wide range of handles, configurations and door retrofit cover plates to meet the installation needs.
Technical Characteristics


  • Covers door thicknesses: From 35mm up to 120mm.
  • Dimensions: 127mm x 58,5mm x 22,5mm.
  • Reversible handle, left or right electronic lock.
  • Clutch escutcheon; when unlocked handle moves freely.
  • Handle rotation: 45º.
  • DIN 18251 standard doors prepared for DIN 18250 standard mortise locks.
  • Initial max. 4º pre-turn. SALTO recommends the use of a mortise lock with a maximum 4º pre-turn.
  • Compatible with European profile cylinders.
  • Handle compatibility: 16mm Ø.
  • Square spindles available: 8mm, 8mm split, 9mm and 9mm split.










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