Sonesse® 28 WireFree Zigbee (Li-ion) - 1241755 - 1 - Somfy

Ref : 1241755 - SONESSE 28 WF ZIGBEE LI-ION PK

Sonesse® 28 WireFree Zigbee (Li-ion)

Make a move! Raise your potential with wirefree smart shading

The Sonesse® 28 WireFree Zigbee (Li-ion) is a designed for silence wirefree motor dedicated to a wide range of interior window coverings. It features a built-in rechargeable lithium-ion battery for easy installation, minimal maintenance and enhanced aesthetics.

Interior Window Coverings : Blinds, Shades
Embedded Technologies Warranty Compatible Protocols
Zigbee 5 years Zigbee 3.0

Product benefits


  • Compatible with a wide range of interior window coverings

Easy installation 

  • No wiring or external batteries

Easy programming and adjustment with TaHoma® pro 

  • Installation and programming done directly from the app: intuitive step-by-step programming instructions
  • Integrated button on the motor head allows for leaving the network and full reset
  • Dedicated maintenance tool, Serv-e-Go

Reliability and services 

  • Highly secure protocol
  • Premium, quality battery that can be replaced
  • Somfy quality & warranty

Details and specifications

Daily comfort 

  • Quiet operation
  • Precision motion with soft start & soft stop
  • Manage natural light and privacy via timed schedules and scenes

Aesthetic integration 

  • No exposed wiring, uses built-in, rechargeable lithium-ion technology

Easy to use and maintain 

  • Easily control shades with the TaHoma® app
  • Get real time feedback on shade positioning and battery-level status via a smartphone or tablet
  • Only recharge once a year
  • Minimize maintenance with solar charging option

Go hands free with voice control 

  • Compatible with voice control assistants (with TaHoma® switch and Amazon Alexa, Google Home, or Apple HomeKit)

Safety and reliability 

  • No hanging cords, provides a child-safe and pet-friendly solution
  • Somfy quality and warranty

Other documents & links

Product presentation

Installation information

Downloads & videos

Technical information


Protection Index IP20  
Insulation class III  


Unwrapped product weight 1.21 lb  
Unwrapped length 21.5 in  
Minimum internal diameter 1.05 in  
External Diameter 1.97 in  
Diameter 1.1 in  


Radio Frequency 2.4 GHz  
Range in open field 262.48 ft  
Number of cycles per day (in cycles) 1  


Consumption during operation 7.8 W  
Rated current 0.65 A  
Power supply DC - RGE 12 - 12V  
Antenna External, External 175 mm  
Battery Type Lithium-ion  
Number of batteries 1  
Battery Voltage 12 V  
Autonomy Recharge once per year 9,5 months in Somfy reference blind: Blind description: 1,2m wide, 2m high, Ø32mm tube, bottom bar 300g/m, fabric 375g/m², 1cycle/day, 20% friction, low RF traffic.  


Speed 20 rpm  
Torque 1.1 Nm  
Type of limit switch unit Electronic & bi-directional radio  
Capacity of the limit switch unit (turns) 100  
Power scale AC MOTOR 0W TO 37,5W  
Repeatabilty +/- 8  
Head type ROUND  


Minimum working temperature 32 °F  
Maximum working temperature 140 °F  
Minimum storing temperature -4 °F  
Maximum storing temperature 140 °F  
Thermical time 5 min  
Noise level (dB) 44 dB  
Approval UL  


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