Sonesse® 40 WireFree RTS (Li-ion) - 1240485 - 1 - Somfy

Ref : 1240485 - Sonesse 40 WF RTS Li-Ion

Sonesse® 40 WireFree RTS (Li-ion)

Putting window coverings in motion with quiet precision

The Sonesse 40 WireFree is a quiet and powerful motor for a wide range of interior window covering applications. It features a rechargeable built-in lithium-Ion battery and a powerful lifting capacity for larger shades.

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

Product benefits

Main Features

  • Compact 40mm design easily adapts to smaller shading hardware.
  • Built-in rechargeable lithium-ion battery.
  • Redesigned discreet motor head.
  • Recessed programming button.
  • Removable charging cable.
  • Solar charging option.
  • ESD immunity.

Details and specifications


  • LED low battery indicator.
  • Smooth motion with adjustable speed control.
  • Compatible with Situo Variation RTS for precise tilt control.
  • Operates with simple voice commands using TaHoma.

Energy Savings

  • Solar charging option.

Technical information


Protection Index IP 20  
Insulation class III  


Unwrapped product weight 2.43 lb  
Unwrapped length 25.59 in  
Minimum internal diameter 1.46 in  
External Diameter 2.48 in  
Diameter 1.57 in  


Radio Frequency RTS 433.42 MHz  
Range in open field 656.2 ft  
Memory capacity 12  
Number of cycles per day (in cycles) 1  


Consumption during operation 20.4 W  
Rated current 1.7 A  
Power supply DC - RGE 12 - 12V  
Antenna External, External 175 mm  
Battery Type Lithium-ion  
Number of batteries 1  
Battery Voltage 12 V  


Speed 20 rpm  
Torque 3 Nm  
Type of limit switch unit Electronic & monodirectional  
Capacity of the limit switch unit (turns) 150  
Power scale DC MOTOR 0W TO 37,5W  
Repeatabilty +/- 6  
Head type ROUND  


Cable type WITHOUT CABLE  
Removable cable Yes  
Cable color WITHOUT CABLE  
Cable plug ends MOLEX CONNECTOR  


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) 49 dB  
Approval CE, RCM, UKCA  


57 Product(s)
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Extension Charging Cable, 94.5" (V2 Head)
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Magnetic Adaptor (for V2 Li-ion)
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Idler End Plug (8mm Diameter Pin - Decorator Type)
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Intermediate Bracket (Decorator Type)
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40mm Round Aluminum Tube (ID 36mm) (20 ft. Max Length)
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Plastic Bracket Cover 40P Kit (Acmeda type)
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M3.5 x 9mm Screw (Sonesse® 40 WireFree, Sonesse® 30 Wired & WireFree, & Roll Up WireFree Only)
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Idler Adaptor Collar for 2" Profiled Tube
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Motor Adaptor Plate for RollEase SkyLine & ZMC XL Series Brackets
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Drive for (40mm x 1.5mm Round Tube)
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400 Series Idler End Bracket (Decorator type)
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Crown and Drive Set (Somfy 40mm x 1.5mm Round Tube)
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RollEase 2" Bracket Kit R8 Series for Somfy 2" Round Tube
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Motor & Idler Bracket Kit 40P (Acmeda type)
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Intermediate Male Idler End Plug (Acmeda type)
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Ladder Braid Crimps for CTS40 System
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R8 Adaptor Plate
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End Cap for 40mm Octagonal Tube
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RollEase 1.5" Bracket Kit R8 Series for Somfy 40mm Round Tube
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Dual Motor and Idler Bracket Kit (Acmeda type)
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RollEase Intermediate "J" Link Bracket Set
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Crown (for 40mm x 1.5mm Round Tube)
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CTS Cone for 40mm Octagonal Tube
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CTS40 Pneumatic Punch/Die for 2" x 2 1/4" (Gutter Rail) Headrail
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CTS40 Kit for Gutter Rail 2" x 2 1/4" (57mm x 51mm) Headrail
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40mm Octagonal Tube (Minimum Order Length 20')
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2" Profiled Roller Tube (16 ft. Max Length)
Réf. 1781798
Intermediate Bracket and Cover Kit 40P, 0-90 Degrees (Acmeda Type)
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RollEase Silent Motor Mount Clip for SkyLine Bracket
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Lithium-ion Charger (V2 Head)
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Sonesse® 40 WireFree to 500 Series Motor Starhead Adaptor Bracket
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10mm Square Motor Bracket for 400S Motors
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40mm Fabric/Cord Clip for Roman Shade Applications
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Intermediate Female Idler End Plug (Acmeda type)
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Soft Drive Wheel 44mm (Acmeda Type)
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White Bracket Covers (2" SkyLine)
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400 Series Crown and Rubberized Drive for 40mm Octagonal Tube
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Crown & Drive Set Adaptor for Hunter Douglas 4" Silhouette (Quartette)
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WireFree Li-ion Solar Panel Kit (Includes Solar Panel, Brackets, and Glass Mount Adhesive)
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Magnetic Rigid Cable (for V2 Li-ion)
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400 Series Drive Stop with Screw (Recommended for Use with Soft Drives)
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Motor/Idler Bracket for 2" x 2 1/4" (57mm x 51mm) Headrail
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400 Series to 500 Series Crown and Drive Adaptor Kit
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400 Series Crown and Rubberized Drive (Somfy 40mm x 1.5mm Round Tube)
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Extension Charging Cable, 8" (For Cassette Applications) (V2 Head)
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Crown Adaptor (for 40mm x 1mm Round Tube)
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400 Series Motor Bracket (Decorator Type)
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