Somfy 12V DC Plug-in Power Supply (1870940)
Somfy 12V DC Plug-in Power Supply (1870940)
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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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12V DC Plug-in Power Supply -- constant plug-in power for Somfy 12V WireFree motors
This Somfy 12V DC plug-in power supply runs WireFree external-battery motors from a standard outlet, replacing batteries entirely on shades within reach of power. Ideal for high-use shades where recharging or reloading batteries is not practical.
Benefits
- Constant 12V DC power -- no batteries to reload or recharge
- Plugs into a standard wall outlet
- Connects to Somfy WireFree external battery motor leads
- Genuine Somfy supply matched to WireFree motor electrical requirements
Specifications
| Output | 12V DC |
| Input | Standard wall outlet, plug-in |
Compatible with: Somfy WireFree external battery motors including Roll Up 28 (1241162); see the compatibility matrix below for the full list
Official Somfy documentation
- 12V DC Plug-in Power Supply – Somfy Pro Product Page
- WireFree Power Supply Compatibility Matrix (PDF)
- WireFree Databook (PDF)
Sold by ShadeMotorsDirect -- an authorized source for genuine Somfy motorized window shade, blind, and drapery parts.
Common questions
What does the 12V DC Plug-in Power Supply do?
Part 1870940 runs Somfy WireFree external-battery motors from a standard wall outlet. It takes the place of batteries on shades within reach of power, so there is nothing to reload or recharge.
Which motors does it power?
Somfy lists it for WireFree Roll Up 28, Sonesse 28, Cord Lift CL32, TLV25, TLW25 and Tilt 50 motors. Examples on this site include the Roll Up 28 WireFree RTS V2 (1241162), Cord Lift CL32 (1002422) and Cord Lift TLW25 (1003294).
What input and output does it use?
It plugs into a standard 120 V wall outlet and delivers 12V DC to the motor lead. Somfy lists the supply as UL certified, with a white finish.
When should I pick plug-in power over batteries?
Pick it for high-use shades near an outlet, where reloading or recharging batteries is not practical. The motor draws constant power, so the shade is ready each time you press a button.
Does it work with RTS and Zigbee motors?
Yes. Somfy's compatibility list covers WireFree motors in RTS and Zigbee versions. The supply provides power, and the motor's own radio handles control, so you pair remotes or a TaHoma hub the normal way.
What warranty does it carry?
Somfy backs part 1870940 with a 5-year warranty. For motor-by-motor fit, see the WireFree Power Supply Compatibility Matrix and the WireFree Databook in the documentation on this page.
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