Somfy Sonesse ULTRA 50: Somfy's quietest strong motor for large shades
Somfy Sonesse ULTRA 50, with 2026 retail prices for every model, specifications and Somfy's documents.
What is the Somfy Sonesse ULTRA 50?
The Somfy Sonesse ULTRA 50 is an ultra-quiet, high-torque motor for large interior shades, sold as the 120V AC 506A2 in wired, RTS and RS485 versions and as the 24V DC 504 A8 in RTS and RS485 versions, the low-voltage Sonesse 50 that runs from a 24V power panel. In 2026 the Somfy Sonesse ULTRA 50 range runs from $297.79 (Sonesse ULTRA 506A2) to $561.56 (Sonesse ULTRA 504 A8 DC RS485), retail, product only.
Somfy lists the 24V DC 504 A8 at 35 dB and the 120V 506A2 RTS at 38 dB, the quietest figures in its range, and describes its lifting capacity as strong enough to multi-band up to six shades from one motor. The page also lists the ULTRA 50 brackets, idler ends, pin end caps, cables and the ZMC grooved tube and drive wheel it is used with.

How much does the Somfy Sonesse ULTRA 50 cost?
In 2026 the Somfy Sonesse ULTRA 50 range runs from $297.79 (Sonesse ULTRA 506A2) to $561.56 (Sonesse ULTRA 504 A8 DC RS485), retail, product only.
| Product | SKU | Control | Torque | Power supply | Noise | 2026 retail |
|---|---|---|---|---|---|---|
| Sonesse® ULTRA 506A2 | 1002558 | - | 6 Nm | AC 120V/60Hz | 38 dB | $297.79 |
| Sonesse® ULTRA 506A2 RH | 1002560 | - | 6 Nm | AC 120V/60Hz | 38 dB | $297.79 |
| Sonesse® ULTRA 506A2 RTS | 1002562 | RTS | 6 Nm | AC 120V/60Hz | 38 dB | $413.58 |
| Sonesse® ULTRA 506A2 RTS RH | 1002564 | RTS | 6 Nm | AC 120V/60Hz | 38 dB | $413.58 |
| Sonesse® ULTRA 506A2 RS485 | 1002566 | RS485 | 6 Nm | AC 120V/60Hz | 38 dB | $509.06 |
| Sonesse® ULTRA 504 A8 DC RTS | 1134023 | RTS | - | DC 24V | 35 dB | $514.76 |
| Sonesse® ULTRA 504 A8 DC RS485 | 1134022 | RS485 | - | DC 24V | 35 dB | $561.56 |
Parts and accessories
| Product | SKU | Unit | 2026 retail |
|---|---|---|---|
| RS485 Sonesse® ULTRA 50 DC Setting Tool Cable, 20 ft. | 9019873 | each | $100.93 |
| Sonesse® ULTRA 50 DC Idler Bracket (10mm Ball) | 9020958 | each | $64.13 |
| Sonesse® ULTRA 50 DC Motor Bracket with Spring Ring | 9020957 | each | $64.64 |
| Sonesse® ULTRA 50 DC RS485 Cable Data and Power Pigtail | 9020004 | each | $40.08 |
| Sonesse® ULTRA 50 DC RTS Cable Power Pigtail | 9020005 | each | $29.35 |
| Sonesse® ULTRA 50 DC Universal Short Idler End (10mm) | 9020959 | each | $56.03 |
| Sonesse® ULTRA 50 Universal Pin End Cap - 10mm. | 9019716 | each | $55.07 |
| Sonesse® ULTRA 50 Universal Pin End Cap - 12mm | 9019717 | each | $58.54 |
| ZMC 2" Grooved Motor Tube (Sold per Foot) | 9020965 | per ft | $9.94 |
| ZMC 2" Grooved Tube Drive Wheel for Sonesse® ULTRA 50 Motors | 9020964 | each | $12.33 |
Product only. Installation, programming and wiring are quoted at the measure. Prices are 2026 retail in US dollars, before tax, and may change.
Sonesse ULTRA 506A2 RTS specifications
Somfy's published figures for the Sonesse ULTRA 506A2 RTS (SKU 1002562). Other models on this page differ in control, torque and power; see the price table.
| Protection Index | IP 31 |
|---|---|
| Radio Frequency | 433.420 MHz |
| Consumption during operation | 114 W |
| Power supply | AC - RGE 2 - 120V/60HZ |
| Consumption in standby mode | 0.5 W |
| Noise level (dB) | 38 dB |
| Approvals | UR |
| Embedded Technologies | RTS |
| Applications | Interior Window Coverings / Shades, Projection screen |
| Weight (with packaging) | 110.25 lb |
Sonesse ULTRA 506A2 RTS documents from Somfy
Spec sheets and installation guides published by Somfy (PDF, opens on somfy.com).
Where the Sonesse ULTRA 50 fits
The ULTRA 50 fits primary bedrooms, nurseries and home offices where the motor sound matters, and wide banks of shades on one motor. At Salato in Pompano Beach every shade runs on a 24V Sonesse ULTRA 50 RTS from a power panel in each unit. For the same torque at a lower price and slightly more sound, see the Sonesse 50.
Somfy Sonesse ULTRA 50: frequently asked
How much does the Somfy Sonesse ULTRA 50 cost?
In 2026 the Somfy Sonesse ULTRA 50 range runs from $297.79 (Sonesse ULTRA 506A2) to $561.56 (Sonesse ULTRA 504 A8 DC RS485), retail, product only. Installation, programming and wiring are quoted at the measure.
How quiet is the Sonesse ULTRA 50?
Somfy lists the 24V DC Sonesse ULTRA 504 A8 at 35 dB and the 120V Sonesse ULTRA 506A2 RTS at 38 dB, for rooms where silence matters, such as bedrooms, nurseries and offices.
Is there a 24V Sonesse 50 motor?
Yes: the Sonesse ULTRA 504 A8 DC, in RTS and RS485 versions, runs on 24V DC from a low-voltage power panel. The Sonesse 50 506S2 and 510S2 and the ULTRA 506A2 run on 120V AC.
Do these prices include installation?
No. Product only. Installation, programming and wiring are quoted at the measure. Prices are 2026 retail in US dollars, before tax, and may change.
Compare with other Somfy shade and blind motors
Somfy Sonesse ULTRA 50 in Fort Lauderdale, Miami, Boca Raton & Palm Beach
Exotic Shades is a certified Somfy Expert and SDN Specialist. Our workroom and showroom are at 4539 Powerline Rd in Fort Lauderdale, our second showroom is South of Fifth in Miami Beach, and the same in-house team measures, builds, installs and programs from Miami to Palm Beach.
Get a quote for the Somfy Sonesse ULTRA 50
We measure, choose the motor and controls with you and quote the product, the shade or drapery and the installation together. One free hour with our team routinely saves owners thousands in avoidable mistakes.