Somfy Sonesse 28 RTS Li-Ion Motor–1003296
SKU: 1003296
SKU: 1003296. The Somfy Sonesse 28 RTS Li-Ion Motor offers ultra-quiet, wireless operation for large blinds. Features a built-in rechargeable battery, adjustable speed, and compatibility with Somfy RTS controls and smart home systems.
Delivery: before Christmas - Order by 18/12/2025, 5pm
Product Overview
The Somfy Sonesse 28 RTS Li-Ion Motor (1003296) is a premium solution for automating large interior blinds, combining whisper-quiet performance with the convenience of wireless, battery-powered operation. Designed for easy, aesthetic installation, this motor eliminates the need for wiring, making it ideal for both new projects and retrofits. Its slim, white motor head ensures a discreet fit within a wide range of blind systems, supporting tubes with a minimum internal diameter of 27 mm.
Engineered for both professionals and end-users, the Sonesse 28 RTS Li-Ion features an integrated, rechargeable lithium-ion battery that typically requires recharging only once a year under normal use. The battery is replaceable, and charging is simple with the compatible Somfy charger (9021027). The motor’s adjustable speed (10–28 rpm) allows for customized blind movement, while its 1.1 Nm torque ensures reliable lifting of larger blinds.
Safety is paramount: the cordless design eliminates hanging cords or chains, making it child and pet friendly. The Sonesse 28 RTS Li-Ion is fully compatible with Somfy’s RTS (Radio Technology Somfy) ecosystem, enabling seamless integration with remote controls, wall switches, and smart home hubs like TaHoma. Optional accessories, such as solar panels and magnetic charging cables, further enhance convenience and sustainability.
Whether you’re seeking a quiet, reliable upgrade for your home or a professional-grade solution for commercial projects, the Somfy Sonesse 28 RTS Li-Ion Motor delivers performance, safety, and smart connectivity in one sleek package.
Notes:
- Suitable adaptors (crown, drive and motor plate) will be required. Please seek advice from your roller blind systems provider for more information.
- Accessories such as handsets, switches, chargers and adaptors are not included.
Motor
- Control Protocol: SOMFY RTS
- Cut off Date: 18/12/2025, 5pm
- Accessory Type: Motor
- Power: Rechargeable Battery
| File Name | Size | Date | |
|---|---|---|---|
| Chart-Tube-Motor-adapters-interior-Sonesse-28-RTS-Li-Ion-Motor.pdfDownload | 1.78 MB | 24/09/2025 | |
| Compatibility-Matrix-Wirefree-Power-Supply-Sonesse-28-RTS-Li-Ion-Motor.pdfDownload | 145.22 KB | 24/09/2025 | |
| Installation-Guide-Sonesse-28-RTS-Li-Ion-Motor.pdfDownload | 58.52 KB | 24/09/2025 |
- Product Code
- 1003296
- Motor Type
- DC, Wirefree, Rechargeable Li-Ion
- Torque
- 1.1 Nm
- Speed
- Adjustable, 10–28 rpm (default 28 rpm)
- Battery
- Built-in 12V, 2600 mAh Li-Ion (replaceable)
- Charging Time
- <4.5 hours (charger 9021027)
- Power Consumption
- 9 W (operation), 0.001 W (standby)
- Radio Protocol
- RTS (433.42 MHz)
- Channels
- 12
- Range
- Up to 200 m (open field)
- Memory Capacity
- 12
- Dimensions
- Length 546 mm, Diameter 28 mm, Head Diameter 44 mm
- Weight
- 0.55 kg
- Minimum Tube Internal Diameter
- 27 mm
- Maximum Tube External Diameter
- 50 mm
- Protection Index
- IP 20
- Insulation Class
- III
- Noise Level
- 49 dB
- Operating Temperature
- 0°C to 60°C
- Storage Temperature
- -20°C to 60°C
- Limit Switch
- Electronic, 200 turns
- Manual Override
- Not available
- Antenna
- External
- Cable
- Removable
- Compatible Controls
- Somfy RTS remotes (Situo, Telis, Smoove), TaHoma, wall switches
- Accessories
- Magnetic charging cable, solar panel, crown & drive adaptors
- Warranty
- Manufacturer’s warranty (check with supplier)
- Unpack the Somfy Sonesse 28 RTS Li-Ion Motor and ensure all components are present.
- Insert the motor into the compatible blind tube (minimum 27 mm internal diameter).
- Secure the motor using the appropriate crown and drive adaptors.
- Connect the motor to the Somfy charger (9021027) and fully charge before first use.
- Pair the motor with your Somfy RTS remote or smart hub following the pairing instructions.
- Set the upper and lower blind limits using the remote control.
- Test the operation and adjust speed settings as desired.
- For ongoing use, recharge the battery as indicated by the low battery LED or approximately once per year.
How often does the battery need recharging?
Under typical use, the battery requires recharging about once a year.
Is the battery replaceable?
Yes, the built-in lithium-ion battery can be replaced if necessary.
What controls are compatible with this motor?
The Sonesse 28 RTS Li-Ion is compatible with all Somfy RTS remotes, wall switches, and smart hubs like TaHoma.
Can I use this motor with solar charging?
Yes, it is compatible with the Somfy WF Li-Ion Solar Panel accessory.
What tube sizes does this motor fit?
It fits blind tubes with a minimum internal diameter of 27 mm and up to 50 mm external diameter.
Is the motor suitable for child-safe environments?
Yes, the cordless design eliminates hanging cords or chains, making it child and pet safe.
How do I set the upper and lower limits?
Limits are set electronically using the paired Somfy RTS remote control.
What is the noise level during operation?
The motor operates at a quiet 49 dB, ideal for home and office environments.