Somfy Sonesse 40 WireFree RTS Motor, Li-ion (1240485)
Somfy Sonesse 40 WireFree RTS Motor, Li-ion (1240485)
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Returns: 30 days from delivery, unused and in original packaging, with an RMA. A 35% restocking fee applies and the customer pays return shipping, unless the item is defective or we made an error. Custom and engraved items can be returned only if defective. Full return policy
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Sonesse 40 WireFree RTS -- battery-powered, cordless roller shade motor
This wirefree Sonesse 40 motor runs on a rechargeable lithium-ion battery, so there's no wiring to run -- just charge it, mount it, and pair it to your RTS control. It's built to be extremely compact and designed for silence.
Benefits
- No electrician or in-wall wiring required -- battery powered
- Rechargeable lithium-ion battery for repeated use
- Extremely compact motor head designed for quiet operation
- RTS wireless remote and wall-switch control
- Compatible with optional solar charging to extend time between charges
Specifications
| Torque / Speed | 3 Nm / 20 rpm |
| Overall length | 25.6 in (650 mm) |
| Power | 12V DC rechargeable Li-ion battery, 20.4 W during operation |
| Control protocol | Radio Technology Somfy (RTS), built-in receiver |
| Radio Frequency | 433.420 MHz |
| Radio range, open field | 656 ft |
| Noise level | 49 dB |
| Protection index | IP 20 (interior use only) |
| Warranty | 5 years |
Compatible with: the Somfy WireFree Li-ion plug-in charger 9025166, Somfy charging accessories, and RollEase crown/drive kits
Official Somfy documentation
Sold by ShadeMotorsDirect -- an authorized source for genuine Somfy motorized window shade, blind, and drapery parts.
Common questions
What is the Sonesse 40 WireFree RTS motor built for?
Part 1240485 is a battery-powered Somfy motor for interior roller shades and blinds. A built-in rechargeable lithium-ion battery runs it, so the window needs no power wiring or electrician. Charge it, mount it in the tube and pair it with an RTS control.
What torque and speed does it deliver?
Somfy rates the 1240485 at 3 Nm of torque and 20 rpm. It has a round head, needs a tube with an inside diameter of at least 1.46 in and has a limit capacity of 150 turns. Somfy lists a noise level of 49 dB.
How is the battery charged?
The 12V lithium-ion battery is built into the motor and charges through a removable charging cable. Somfy offers a solar charging option to stretch the time between charges. The motor draws 20.4 W while running and 0.01 W on standby.
Which remotes and switches work with it?
Any Somfy RTS transmitter, including the Situo 1 and Situo 5 RTS Pure remotes (1870571, 1870575), the Telis 16 RTS Pure (1811081) and DecoFlex RTS wall switches (1810813, 1810897). The motor stores up to 12 transmitters, and Somfy rates RTS range at 656.2 ft in open field.
Can I control it from my phone or a voice assistant?
Yes, with a Somfy TaHoma Switch (1871037), which adds app control, schedules and voice commands. For a daily routine without a hub, the Telis 1 Chronis RTS timer (1805237) raises and lowers the shade at set times. RTS is one-way radio, so the app cannot report the shade's position.
Where can it be installed, and which tubes fit?
Somfy rates this motor IP 20 for interior use, from 32 °F to 140 °F. It fits 40mm round and octagonal tubes (1781118, 1781154) with LS40 hardware such as the LS40 Crown and Drive Set (9012224). The motor carries Somfy's 5-year warranty.
Couldn't load pickup availability
Replace a worn 40mm motor or build a new shade around it.
Replacing? Your fabric stays on the tube. Building new? Every part below is Somfy-matched to part 1240485.
12- 1Motor head Mounts to the bracket at the motor end.
- 2Drive end Takes the drive wheel that turns the tube.
Replacing a motor
-
1
Take the shade down
Cut power and lift the roller out of its brackets.
-
2
Pull the old motor
Slide it out of the tube. The fabric stays wrapped on the tube.
-
3
Fit crown and drive
Use the LS40 set that matches your 40mm tube, then slide the new motor in.
-
4
Pair and set limits
Charge or connect the battery. Then pair your RTS remote and set the limits.
Not sure your tube is 40mm? Send us a photo of the label on your old motor. We'll confirm the part before you order. Ask us
Building a new shade
-
1
Measure the tube
Measure across the outside of the tube end and note its shape. That sets the crown and drive.
-
2
Pick the parts
Add the crown and drive, the motor bracket and a remote or switch from the list below.
-
3
Mount and fit
Fit the crown and drive, slide the motor into the tube and seat the head in its bracket.
-
4
Pair and set limits
Charge or connect the battery. Then pair your RTS remote and set the limits.
Planning a new shade? Send us the size and tube. We'll build the parts list with you. Ask us
Find your crown, drive and bracket.
1Measure the tube end, outside edge to outside edge.
If a row lists a wall thickness, match that too.
2Pick the bracket that matches how your shade mounts.
Every bracket here fits this motor's head.
Part 9012258Plate to fit the motor into RollEase R-Series brackets.
Part 9016378Plate to fit the motor into RollEase SkyLine or ZMC XL brackets.
Part 9026001Plate to fit the motor into RollEase 360 R3 to R8 brackets.
Part 9012313RollEase R8 2 in. bracket kit for 2 in. round tube.
Part 9016325RollEase SkyLine 2 in. bracket set, motor end and idle end.
Part 9012311RollEase R8 1.5 in. bracket kit for 40mm round tube.
Not sure? Send us a photo of the tube end and the motor end. Ask us
What the Sonesse 40 WireFree RTS Motor, Li-ion needs to run
Somfy lists every part below as compatible with part 1240485. Pick one from each row.
1Control
Built-in RTS radio. Any Somfy RTS remote, wall switch or timer pairs with it.
2Tube fit
Match the crown and drive to your tube size and profile.
3Power
Cables, chargers and power made for this motor.
Somfy backs the Sonesse 40 WireFree RTS Motor, Li-ion for 5 years. We handle the claim.
Somfy warranty on the Sonesse 40 WireFree RTS Motor, Li-ion, part 1240485.
- What Somfy covers
- Defects in materials and workmanship, for 5 years from purchase.
- If it fails
- Email us your order number. We arrange the replacement with Somfy.
- Where it comes from
- ShadeMotorsDirect is an authorized Somfy distributor. You get the US version, new in Somfy packaging.
- Returns
- Unopened items in original packaging. Ask us for an RA number before you ship.
- Questions
- Call or chat, 8:00 AM - 7:30 PM ET.
- Somfy documents
- WireFree Databook (PDF)
How this motor compares
Verified Somfy specs for this motor and its closest alternatives.
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Somfy Sonesse 40 WireFree RTS Motor, Li-ion (1240485)
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|---|---|---|---|---|
| Price | ||||
| Torque (Nm) | 3.0 | 4.0 | 4.0 | 4.0 |
| Speed (rpm) | 20 | 36 | 36 | 36 |
| Control | RTS radio | RTS radio | RTS radio | RTS radio |
| Power | 12V Li-ion battery | 120V AC | 120V AC | 120V AC |
| Motor family | Sonesse 40 | Sonesse 40 | Sonesse 40 | Sonesse 40 |
| What's different | The product on this page | 4.0 Nm instead of 3.0 | 4.0 Nm instead of 3.0 | 4.0 Nm instead of 3.0 |
| Buy | Currently viewing | View details | View details | View details |
