Obsolete product, replaced by

Roll Up 28 WireFree™ RTS V2 (Li-ion)

Ref : 1241150

Ideal for mid-to-large size window shading applications!

  • Obsolete
Roll Up 28 WireFree™ RTS (Li-ion) - 1240291 - 1 - Somfy

Ref : 1240291 - Roll Up 28 WF RTS Li-Ion PACK

Roll Up 28 WireFree™ RTS (Li-ion)

Wireless comfort & efficiency

Features a built-in rechargeable lithium-ion battery for easy installation, minimal maintenance and enhanced aesthetics.

Interior Window Coverings : Blinds, Shades
Embedded Technologies

Product benefits

Main Features

  • Precision soft start and stop produces elegant shade movement
  • Compatible with roller/solar shades, Roman shades, woven woods, sheer horizontals, zebra/layered shades and horizontal blinds.
  • Wirefree solution for areas where wiring can be costly
  • Solar charging option
  • ESD Immunity
  • Improved motor sound
  • Backed by our 5-year warranty

Details and specifications

  • 10 x Roll Up 28 WF RTS Li-Ion
  • 10 x Instructions guides

Comfort & Convenience

  • Removeable charging cable to easily replenish power.
  • Compatible with solar charging options to harness the energy of the sun.
  • Operates with simple voice commands using TaHoma®, 
  • Instantly block glare or create instant privacy with a simple button press.

Radio Technology Somfy

  • Compatible with all RTS powered systems, controls and accessories so you can mix and match options to maximize product performance.
  • Exclusive Somfy "MY" feature saves a favorite/preferred product position.
  • RTS is omni-directional, so no need to aim the remote at the product being controlled.

Technical information


Protection Index IP20  
Insulation class III  


Unwrapped product weight 1.21 lb  
Unwrapped length 22.83 in  
Minimum internal diameter 1.05 in  
Diameter 1.1 in  


Radio Frequency 433.42 MHz  
Range in open field 656.2 ft  
Memory capacity 12  


Minimum voltage 12.6 V  
Maximum voltage 9.5 V  
Rated current 1.1 A  
Power supply DC - RGE 12 - 12V  
Antenna External  
Battery Type Lithium-ion  
Number of batteries 1  
Battery Voltage 12 V  


Speed 20 rpm  
Torque 1.1 Nm  
Type of limit switch unit Electronic  
Capacity of the limit switch unit (turns) 180  
Power scale DC MOTOR 0W TO 37,5W  
Repeatabilty +/- 10  
Head type ROUND  


Cable type 2464  
Cable length 0.98 ft  
Cable color WHITE  
Number of wires of the cable 2  
Cable plug ends JST  
Wire section 0.0003 in²  


Minimum working temperature 32 °F  
Maximum working temperature 140 °F  
Minimum storing temperature -4 °F  
Maximum storing temperature 140 °F  
Noise level (dB) 56 dB  
Approval CE, SASO  

End Product

End Product Type Interior Blinds  


33 Product(s)
Cord Take-Up Reel (for RollEase & ZMC XL Series 1.5" Tube)
Réf. 1780786
Idler End Plug 44mm Tube (Acmeda Type)
Réf. 9013774
Motor Adaptor Plate (Acmeda Type) and Screws
Réf. 9013789
Crown & Drive Adaptor Kit for Shangri-la (Older Style Tube)
Réf. 9026396
44mm Aluminum Tube (Acmeda) (Minimum Order Length 16')
Réf. 1780688
RollEase Heavy Duty Spring Idler End Pin (1.5" Tube)
Réf. 9017912
Louvolite 45mm Crown & Drive
Réf. 9025811
Silhouette Crown & Drive
Réf. 9025816
Plastic Bracket Cover 40P Kit (Acmeda type)
Réf. 9013780
Motor Adaptor Plate for RollEase SkyLine & ZMC XL Series Brackets
Réf. 9016378
40mm Fabric/Cord Clip for Roman Shade Applications
Réf. 9012200
Collapsible End Plug (for Louvolite System 40 & ZMC RS Series)
Réf. 9013716
Motor & Idler Bracket Kit 40P (Acmeda type)
Réf. 9013778
M3.5 x 9mm Screw (Sonesse® 40 WireFree, Sonesse® 30 Wired & WireFree, & Roll Up WireFree Only)
Réf. 9014066
Vignette Crown & Drive
Réf. 9025813
Tube Spline 44MM Tube (Acmeda Type)
Réf. 1780687
Dual Motor and Idler Bracket Kit (Acmeda type)
Réf. 9013782
Drive for Louvolite & ZMC RS Series 1 5/8" Tube (Includes Motor Adaptor Plate) (Legacy)
Réf. 9018598
RollEase 1.5" Crown & Drive
Réf. 9020674
Sonesse® 30 WireFree to 400 Series Adaptor Kit
Réf. 9020676
Acmeda 45 Heavy Duty Crown & Drive
Réf. 9021036
Crown & Drive Set Adaptor for 26.1mm Tube
Réf. 9026644
Motor and Idler Bracket Kit (for Louvolite System 40 & ZMC RS Series )
Réf. 9013715
Crown & Drive Set Adaptor for Hunter Douglas 4" Silhouette (Quartette)
Réf. 9016953
Louvolite 40mm Crown & Drive
Réf. 9020675
Hunter Douglas 31mm Crown & Drive
Réf. 9025812
Hunter Douglas 37mm Crown & Drive
Réf. 9020699
Crown & Drive for RollEase/ZMC 2" Profiled Tube
Réf. 9021017
RollEase 1.25" Crown & Drive
Réf. 9025815
Crown & Drive Adaptor Kit for Shangri-la (New Style Tube)
Réf. 9026395
RollEase 1.5" SkyLine Bracket (2 Required)
Réf. 9017910
RollEase 1.5" Roller Tube (16 ft. Lengths)
Réf. 9017913
Acmeda 45 Crown & Drive
Réf. 9021018