XS4 One – EU

Smart, secure, innovative, and easy to install, the XS4 One electronic escutcheon sets need no hard wiring and provide a totally wire-free networked electronic locking solution with a great range of features.

Stylish Design

With the XS4 One, we raise the bar on this already high standard. All-in-one smart lock designed to blend into any type of door, any access point, and door retrofit. SALTO XS4 One is an evolution of the XS4 Original model with a new sleek built-in reader that is available in two colors – black and white – and in seven different body finishes that look great on any access point or door. The stylish, yet technologically-advanced solution complements any type of interior design or decor.

The SALTO XS4 One, thanks to its small discreet size and modern, clean LED aesthetic, simplifies installation in virtually any kind of door, including those with narrow frames.

Advanced Technology

Security, safety, flexibility, and efficiency are all essential aspects of access control. The XS4 One battery-operated electronic smart lock simplifies installation in virtually any kind of door. Now it is possible to integrate all your physical security needs through networked, easy-to-install, stand-alone locks and wireless smart door locks, giving you real-time access control for virtually all the doors in your building.

Powerful electronic door lock. Built from the highest grade materials and carefully manufactured body and escutcheon made of steel.

The SALTO XS4 One is the evolution of the Original model with a built-in, totally new reader available in two colors. This version is compatible with most European mortise locks and cylinders.


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.

Main Features

  • Simple installation by changing handle set, reliable and durable.
  • SALTO SVN, SALTO BLUEnet Wireless network and JustIN Mobile technology inside.
  • Door status detector to monitor intrusions or door left open status (wireless escutcheons only).
  • User on card audit trailing capability via the SALTO Virtual Network (SVN).
  • Covering the mainstream RFID technologies.
  • NFC compatible.
  • All communication between the carrier and the electronic lock is encrypted and secured.
  • Low battery status information is obtained from carriers.
  • The lock can always be opened from the inside (single action panic feature works in conjunction with the relevant mortise lock).
  • High security protection via high resistance, hardened anti-drill plates to protect wiring and reader area.
  • Handle fixed by steady fix system (patented).
  • Concealed fixing screws for greater security and improved aesthetics.
  • Available with mechanical cylinder cut outs for key override or access lock outs.
  • Wide range of finishes, handles and retrofit cover plates.
  • Suitable for emergency exits.
  • Firmware upgrades wirelessly or through PPD.
  • Emergency opening via portable programming device (PPD).


Access Contol Features


  • Maximum number of users per door: 4 million.
  • Access levels: unlimited.


  • Calendars in system: 256
  • Timetables: 1024
  • Time periods: 1024


  • Maximum events on lock audit: 2200(*).
  • Non volatile memory (memory is not deleted, even if power fails).


  • Covering the mainstream RFID technologies.
  • Compatible with ISO 14443A, ISO 14443B and ISO 15693 (Vicinity).
  • Bluetooth-enabled and Near-field Communication (NFC) technology.
Technical Data


  • XS4 One narrow version: 3 alkaline batteries (LR03 - AAA 1,5V).(*)
  • Optional 3 Lithium batteries (FR03 - AAA 1,5V - see environmental conditions).(*)
  • Contactless versions: Up to 40,000 depending on the RFID technology.
  • Low battery power indication monitored through the SALTO Virtual Network (SVN).
  • The last approx. 1,000 operations are signalled.


  • External escutcheon: 0º / 60º (*)
  • External escutcheon: -20º / 60º (*)
  • Internal escutcheon: -20º / 60º (*)

XS4 One - EU

  • Covers door thicknesses: From 32mm up to 120mm.
  • Dimensions: 285mm x 42mm x 19,5mm.
  • Reversible handle left or right escutcheon.
  • Clutch mechanism escutcheon; when unlocked handle moves freely.
  • Handle rotation: 45º.
  • Distance from the handle to the cylinder: 47mm to 110mm.
  • Compatible with DIN and European mortise locks, mortise locks with Swiss profile cylinder, Australian standard mortise locks and narrow style mortise lock.
  • Compatible with European profile and Swiss profile cylinders.
  • Square spindles available: 7mm, 7.6mm split (Australia), 8mm, 8mm split, 9mm and 9mm split.




Technical Specifications
XS4 One - EU
Housing Dimensions (HxWxD)

285,0 x 42,0 x 19,5 mm


1.5 kg

Handle rotation:

Max. 45º

Door thicknesses:

32 mm - 120 mm

Distance from the handle to the cylinder

47 mm - 110 mm

Square spindles:

7 mm, 7,6 mm split, 8 mm, 8 mm split, 9 mm, 9 mm split

Power source:

3 AAA batteries (LR03 1,5V)

Number of openings

40.000 - 60.000 depending on the technology

Maximum events on lock audit

2 250 (SVN standalone mode)

1 850 (SVN BLUEnet mode)

1 450 (SALTO KS mode)

Environmental conditions Outdoor

+5 ºC / +50 ºC without condensation, optional -20 ºC /+50 ºC

Environmental conditions Indoor

+5 ºC / +50 ºC. without condensation.

IP class:

IP53 (optional IP55 for external escutcheon)




EN 179,

EN 1634-1 (Ei60, E260, E90)

PAS24 (optional)












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