Somfy LT50
by Somfy
24 models with rated torque from 6 – 50 Nm.
Sources: 4 manufacturer documents · Last verified 2026-10-29 · How we collect data →
Overview
Variant suffixes
- RTS
- Somfy's one-way radio control system (433.42 MHz): the motor receives commands but does not report its position back.
- RS-485
- Wired RS-485 serial control interface.
OpenAxia glossary note — editorial explanation, not a sourced claim.
Models
| Model | Part no. | Control protocol | Power supply | Torque | Rated voltage | Mains frequency | Rated power input | Standby power | Rated current | Cable length | Rated speed | Short-time duty (S2) | Limit setting | Limit range | Control protocol | Radio frequency | Radio range | Max paired transmitters | IP rating | Operating temp. (min) | Operating temp. (max) | Noise level | Marks stated by vendor | Rated torque | Compare |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Somfy LT50 506S2 6/38 SJTW | 1033401 | — | AC mains | 6 Nm | 120 V | 60 Hz | 80 W | 0 W | 0.95 A | 2 m | 38 rpm | 5 min | — | — | — | — | — | — | IP44 | -10 °C | 60 °C | 55 dB(A) | — | 6 Nm | |
| Somfy LT50 510R2 10/14 SJTW | 1038172 | — | AC mains | 10 Nm | 120 V | — | 80 W | 0 W | — | — | 14 rpm | — | — | — | — | — | — | — | IP44 | — | — | 45 dB(A) | — | 10 Nm | |
| Somfy LT50 510S2 10/38 SJTW | 1038171 | — | AC mains | 10 Nm | 120 V | 60 Hz | 150 W | 0 W | 1.3 A | 2 m | 38 rpm | 5 min | — | — | — | — | — | — | IP44 | -10 °C | 60 °C | 56 dB(A) | — | 10 Nm | |
| Somfy LT50 515A2 15/20 SJTW | 1040063 | — | AC mains | 15 Nm | 120 V | 60 Hz | 130 W | 0 W | 1.1 A | 2 m | 20 rpm | 5 min | — | — | — | — | — | — | IP44 | -10 °C | 60 °C | — | — | 15 Nm | |
| Somfy LT50 515S2 15/38 RH SJTW | 1040061 | — | AC mains | 15 Nm | 120 V | 60 Hz | 210 W | 0 W | — | 2 m | 38 rpm | 5 min | — | — | — | — | — | — | IP44 | -10 °C | 60 °C | 60 dB(A) | — | 15 Nm | |
| Somfy LT50 515S2 15/38 SJTW | 1040062 | — | AC mains | 15 Nm | 120 V | 60 Hz | 210 W | 0 W | 1.8 A | 2 m | 38 rpm | 5 min | — | — | — | — | — | — | IP44 | -10 °C | 60 °C | 56 dB(A) | — | 15 Nm | |
| Somfy LT50 515S2 RS485 | 1002427 | RS-485 | AC mains | 15 Nm | 120 V | 60 Hz | 210 W | 0.5 W | 1.8 A | 3 m | — | 4 min | Electronic | 300 turns | RS-485 | — | — | — | IP44 | -20 °C | 60 °C | 55 dB(A) | — | 15 Nm | |
| Somfy LT50 520R2 20/14 SJTW | 1042055 | — | AC mains | 20 Nm | 120 V | 60 Hz | 130 W | 0 W | 1.1 A | 2 m | 14 rpm | 5 min | — | — | — | — | — | — | IP44 | -10 °C | 60 °C | 48 dB(A) | — | 20 Nm | |
| Somfy LT50 525A2 25/20 SJTW | 1043424 | — | AC mains | 25 Nm | 120 V | 60 Hz | 180 W | 0 W | 1.6 A | 2 m | 20 rpm | 5 min | — | — | — | — | — | — | IP44 | -10 °C | 60 °C | 56 dB(A) | — | 25 Nm | |
| Somfy LT50 525A2 RTS CMO | 1043426 | RTS | AC mains | 25 Nm | 120 V | 60 Hz | 180 W | 0 W | 1.6 A | 3.6 m | 20 rpm | — | Electronic | 34 turns | RTS | 433.42 MHz | 50 m | 12 pcs | IP44 | -10 °C | 40 °C | — | UL | 25 Nm | |
| Somfy LT50 530R2 30/14 SJTW | 1045793 | — | AC mains | 30 Nm | 120 V | 60 Hz | 170 W | 0 W | 1.5 A | 2 m | 14 rpm | 5 min | — | — | — | — | — | — | IP44 | -10 °C | 60 °C | 55 dB(A) | — | 30 Nm | |
| Somfy LT50 530R2 RTS CMO | 1051476 | RTS | AC mains | 30 Nm | 120 V | 60 Hz | 170 W | 0 W | 1.5 A | 1.8 m | 14 rpm | — | Electronic | 34 turns | RTS | 433.42 MHz | — | 12 pcs | IP44 | -10 °C | 40 °C | — | UL | 30 Nm | |
| Somfy LT50 535A2 35/20 SJTW | 1047368 | — | AC mains | 35 Nm | 120 V | — | 250 W | — | — | — | 20 rpm | — | — | — | — | — | — | — | IP44 | — | — | — | — | 35 Nm | |
| Somfy LT50 535A2 RTS CMO | 1047306 | RTS | AC mains | 35 Nm | 120 V | 60 Hz | 250 W | 0 W | 2.1 A | 3.6 m | 20 rpm | — | Electronic | 34 turns | RTS | 433.42 MHz | — | 12 pcs | IP44 | -10 °C | 40 °C | — | — | 35 Nm | |
| Somfy LT50 535A2 RS485 | 1002288 | RS-485 | AC mains | 35 Nm | 120 V | 60 Hz | 250 W | 0.5 W | 2.1 A | 3 m | — | 4 min | Electronic | 300 turns | RS-485 | — | — | — | IP44 | -20 °C | 60 °C | 55 dB(A) | — | 35 Nm | |
| Somfy LT50 540R2 40/14 SJTW | 1049894 | — | AC mains | 40 Nm | 120 V | 60 Hz | 210 W | 0 W | 1.8 A | 2 m | 14 rpm | 5 min | — | — | — | — | — | — | IP44 | -10 °C | 60 °C | 55 dB(A) | — | 40 Nm | |
| Somfy LT50 540R2 RTS CMO | 1051477 | RTS | AC mains | 40 Nm | 120 V | 60 Hz | 210 W | 0 W | 1.8 A | 1.8 m | 14 rpm | — | Electronic | 34 turns | RTS | 433.42 MHz | 200 m | 12 pcs | IP44 | -10 °C | 40 °C | — | UL | 40 Nm | |
| Somfy LT50 550R2 50/14 SJTW | 1051464 | — | AC mains | 50 Nm | 120 V | 60 Hz | 250 W | 0 W | 2.1 A | 2 m | 14 rpm | 5 min | — | — | — | — | — | — | IP44 | -10 °C | 60 °C | — | — | 50 Nm | |
| Somfy LT50 550R2 RTS CMO | 1051466 | RTS | AC mains | 50 Nm | 120 V | 60 Hz | 250 W | 0 W | 2.1 A | 1.8 m | 14 rpm | — | Electronic | 34 turns | RTS | 433.42 MHz | 200 m | 12 pcs | IP44 | -10 °C | 40 °C | — | UL | 50 Nm | |
| Somfy LT50 525A2 CMO | 1043010 | — | AC mains | — | 120 V | — | 180 W | 0 W | — | — | — | — | — | — | — | — | — | — | IP44 | — | — | — | — | — | |
| Somfy LT50 530R2 CMO | 1045017 | — | AC mains | — | 120 V | — | 170 W | 0 W | — | — | — | — | — | — | — | — | — | — | IP44 | — | — | — | — | — | |
| Somfy LT50 535A2 CMO | 1047006 | — | AC mains | — | 120 V | — | 250 W | 0 W | — | — | — | — | — | — | — | — | — | — | IP44 | — | — | — | — | — | |
| Somfy LT50 540R2 CMO | 1049026 | — | AC mains | — | 120 V | — | 210 W | 0 W | — | — | — | — | — | — | — | — | — | — | IP44 | — | — | — | — | — | |
| Somfy LT50 550R2 CMO | 1051014 | — | AC mains | — | 120 V | — | 250 W | 0 W | — | — | — | — | — | — | — | — | — | — | IP44 | — | — | — | — | — |
— means no value: the manufacturer does not publish it, it does not apply to this product type, or there is none on record. Value states
Show all 24 model links
- 506S2 6/38 SJTW
- 510R2 10/14 SJTW
- 510S2 10/38 SJTW
- 515A2 15/20 SJTW
- 515S2 15/38 RH SJTW
- 515S2 15/38 SJTW
- 515S2 RS485
- 520R2 20/14 SJTW
- 525A2 25/20 SJTW
- 525A2 RTS CMO
- 530R2 30/14 SJTW
- 530R2 RTS CMO
- 535A2 35/20 SJTW
- 535A2 RTS CMO
- 535A2 RS485
- 540R2 40/14 SJTW
- 540R2 RTS CMO
- 550R2 50/14 SJTW
- 550R2 RTS CMO
- 525A2 CMO
- 530R2 CMO
- 535A2 CMO
- 540R2 CMO
- 550R2 CMO
Missing a variant or part number? Manufacturers can update this series.
Source: manufacturer documents (4). Last checked 2026-10-29. All sources (4) · Learn more about this data
Sources
- ↑Somfy PDF catalogue lt50ra-d0025service.somfy.comRated torque: Torque: 6 Nm [1032023] (p. 1)Used for: 506S2 6/38 SJTW rated torque, 506S2 6/38 SJTW rated voltage, 510S2 10/38 SJTW rated voltage, 515A2 15/20 SJTW rated voltage, 515S2 15/38 RH SJTW rated voltage, 515S2 15/38 SJTW rated voltage, 520R2 20/14 SJTW rated voltage, 525A2 25/20 SJTW rated voltage, 530R2 30/14 SJTW rated voltage, 540R2 40/14 SJTW rated voltage, 550R2 50/14 SJTW rated voltage, 506S2 6/38 SJTW rated current, 510S2 10/38 SJTW rated current, 515A2 15/20 SJTW rated current, 515S2 15/38 SJTW rated current, 520R2 20/14 SJTW rated current, 525A2 25/20 SJTW rated current, 530R2 30/14 SJTW rated current, 540R2 40/14 SJTW rated current, 550R2 50/14 SJTW rated current, 506S2 6/38 SJTW cable length, 510S2 10/38 SJTW cable length, 515A2 15/20 SJTW cable length, 515S2 15/38 RH SJTW cable length, 515S2 15/38 SJTW cable length, 520R2 20/14 SJTW cable length, 525A2 25/20 SJTW cable length, 530R2 30/14 SJTW cable length, 540R2 40/14 SJTW cable length, 550R2 50/14 SJTW cable length, 506S2 6/38 SJTW rated speed, 510S2 10/38 SJTW rated speed, 515A2 15/20 SJTW rated speed, 515S2 15/38 SJTW rated speed, 520R2 20/14 SJTW rated speed, 525A2 25/20 SJTW rated speed, 530R2 30/14 SJTW rated speed, 540R2 40/14 SJTW rated speed, 550R2 50/14 SJTW rated speed, 506S2 6/38 SJTW short-time duty (s2), 510S2 10/38 SJTW short-time duty (s2), 515A2 15/20 SJTW short-time duty (s2), 515S2 15/38 RH SJTW short-time duty (s2), 515S2 15/38 SJTW short-time duty (s2), 520R2 20/14 SJTW short-time duty (s2), 525A2 25/20 SJTW short-time duty (s2), 530R2 30/14 SJTW short-time duty (s2), 540R2 40/14 SJTW short-time duty (s2), 550R2 50/14 SJTW short-time duty (s2), 506S2 6/38 SJTW ip rating, 510S2 10/38 SJTW ip rating, 515A2 15/20 SJTW ip rating, 515S2 15/38 RH SJTW ip rating, 515S2 15/38 SJTW ip rating, 520R2 20/14 SJTW ip rating, 525A2 25/20 SJTW ip rating, 530R2 30/14 SJTW ip rating, 540R2 40/14 SJTW ip rating, 550R2 50/14 SJTW ip rating, 506S2 6/38 SJTW operating temp. (min), 510S2 10/38 SJTW operating temp. (min), 515A2 15/20 SJTW operating temp. (min), 515S2 15/38 RH SJTW operating temp. (min), 515S2 15/38 SJTW operating temp. (min), 520R2 20/14 SJTW operating temp. (min), 525A2 25/20 SJTW operating temp. (min), 530R2 30/14 SJTW operating temp. (min), 540R2 40/14 SJTW operating temp. (min), 550R2 50/14 SJTW operating temp. (min), 506S2 6/38 SJTW operating temp. (max), 510S2 10/38 SJTW operating temp. (max), 515A2 15/20 SJTW operating temp. (max), 515S2 15/38 RH SJTW operating temp. (max), 515S2 15/38 SJTW operating temp. (max), 520R2 20/14 SJTW operating temp. (max), 525A2 25/20 SJTW operating temp. (max), 530R2 30/14 SJTW operating temp. (max), 540R2 40/14 SJTW operating temp. (max), 550R2 50/14 SJTW operating temp. (max), 506S2 6/38 SJTW noise level, 510S2 10/38 SJTW rated torque, 515A2 15/20 SJTW rated torque, 515S2 15/38 SJTW rated torque, 520R2 20/14 SJTW rated torque, 525A2 25/20 SJTW rated torque, 530R2 30/14 SJTW rated torque, 540R2 40/14 SJTW rated torque, 550R2 50/14 SJTW rated torque
- ↑Somfy PDF catalogueservice.somfy.comRated torque: Torque: 50 Nm [1051012] (p. 1)Used for: 550R2 RTS CMO rated torque, 525A2 RTS CMO rated voltage, 530R2 RTS CMO rated voltage, 535A2 RTS CMO rated voltage, 540R2 RTS CMO rated voltage, 550R2 RTS CMO rated voltage, 525A2 RTS CMO rated current, 530R2 RTS CMO rated current, 535A2 RTS CMO rated current, 540R2 RTS CMO rated current, 550R2 RTS CMO rated current, 525A2 RTS CMO cable length, 530R2 RTS CMO cable length, 535A2 RTS CMO cable length, 540R2 RTS CMO cable length, 550R2 RTS CMO cable length, 525A2 RTS CMO rated speed, 530R2 RTS CMO rated speed, 535A2 RTS CMO rated speed, 540R2 RTS CMO rated speed, 550R2 RTS CMO rated speed, 525A2 RTS CMO limit setting, 530R2 RTS CMO limit setting, 535A2 RTS CMO limit setting, 540R2 RTS CMO limit setting, 550R2 RTS CMO limit setting, 525A2 RTS CMO limit range, 530R2 RTS CMO limit range, 535A2 RTS CMO limit range, 540R2 RTS CMO limit range, 550R2 RTS CMO limit range, 525A2 RTS CMO ip rating, 530R2 RTS CMO ip rating, 535A2 RTS CMO ip rating, 540R2 RTS CMO ip rating, 550R2 RTS CMO ip rating, 525A2 RTS CMO operating temp. (min), 530R2 RTS CMO operating temp. (min), 535A2 RTS CMO operating temp. (min), 540R2 RTS CMO operating temp. (min), 550R2 RTS CMO operating temp. (min), 525A2 RTS CMO operating temp. (max), 530R2 RTS CMO operating temp. (max), 535A2 RTS CMO operating temp. (max), 540R2 RTS CMO operating temp. (max), 550R2 RTS CMO operating temp. (max), 525A2 RTS CMO rated torque, 530R2 RTS CMO rated torque, 535A2 RTS CMO rated torque, 540R2 RTS CMO rated torque
- ↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comPart number: Ref. : 1033401Used for: 506S2 6/38 SJTW part no., 510R2 10/14 SJTW part no., 510S2 10/38 SJTW part no., 515A2 15/20 SJTW part no., 515S2 15/38 RH SJTW part no., 515S2 15/38 SJTW part no., 515S2 RS485 part no., 520R2 20/14 SJTW part no., 525A2 25/20 SJTW part no., 525A2 RTS CMO part no., 530R2 30/14 SJTW part no., 530R2 RTS CMO part no., 535A2 35/20 SJTW part no., 535A2 RTS CMO part no., 535A2 RS485 part no., 540R2 40/14 SJTW part no., 540R2 RTS CMO part no., 550R2 50/14 SJTW part no., 550R2 RTS CMO part no., 525A2 CMO part no., 530R2 CMO part no., 535A2 CMO part no., 540R2 CMO part no., 550R2 CMO part no., 510R2 10/14 SJTW rated voltage, 535A2 35/20 SJTW rated voltage, 525A2 CMO rated voltage, 530R2 CMO rated voltage, 535A2 CMO rated voltage, 540R2 CMO rated voltage, 550R2 CMO rated voltage, 506S2 6/38 SJTW rated power input, 510R2 10/14 SJTW rated power input, 510S2 10/38 SJTW rated power input, 515A2 15/20 SJTW rated power input, 515S2 15/38 RH SJTW rated power input, 515S2 15/38 SJTW rated power input, 515S2 RS485 rated power input, 520R2 20/14 SJTW rated power input, 525A2 25/20 SJTW rated power input, 525A2 RTS CMO rated power input, 530R2 30/14 SJTW rated power input, 530R2 RTS CMO rated power input, 535A2 35/20 SJTW rated power input, 535A2 RTS CMO rated power input, 535A2 RS485 rated power input, 540R2 40/14 SJTW rated power input, 540R2 RTS CMO rated power input, 550R2 50/14 SJTW rated power input, 550R2 RTS CMO rated power input, 525A2 CMO rated power input, 530R2 CMO rated power input, 535A2 CMO rated power input, 540R2 CMO rated power input, 550R2 CMO rated power input, 506S2 6/38 SJTW standby power, 510R2 10/14 SJTW standby power, 510S2 10/38 SJTW standby power, 515A2 15/20 SJTW standby power, 515S2 15/38 RH SJTW standby power, 515S2 15/38 SJTW standby power, 515S2 RS485 standby power, 520R2 20/14 SJTW standby power, 525A2 25/20 SJTW standby power, 525A2 RTS CMO standby power, 530R2 30/14 SJTW standby power, 530R2 RTS CMO standby power, 535A2 RTS CMO standby power, 535A2 RS485 standby power, 540R2 40/14 SJTW standby power, 540R2 RTS CMO standby power, 550R2 50/14 SJTW standby power, 550R2 RTS CMO standby power, 525A2 CMO standby power, 530R2 CMO standby power, 535A2 CMO standby power, 540R2 CMO standby power, 550R2 CMO standby power, 510R2 10/14 SJTW rated speed, 515S2 15/38 RH SJTW rated speed, 535A2 35/20 SJTW rated speed, 525A2 RTS CMO radio range, 540R2 RTS CMO radio range, 550R2 RTS CMO radio range, 525A2 RTS CMO max paired transmitters, 530R2 RTS CMO max paired transmitters, 535A2 RTS CMO max paired transmitters, 540R2 RTS CMO max paired transmitters, 550R2 RTS CMO max paired transmitters, 510R2 10/14 SJTW ip rating, 535A2 35/20 SJTW ip rating, 525A2 CMO ip rating, 530R2 CMO ip rating, 535A2 CMO ip rating, 540R2 CMO ip rating, 550R2 CMO ip rating, 510R2 10/14 SJTW noise level, 515S2 15/38 RH SJTW noise level, 520R2 20/14 SJTW noise level, 525A2 25/20 SJTW noise level, 530R2 30/14 SJTW noise level, 540R2 40/14 SJTW noise level, 510R2 10/14 SJTW rated torque, 515S2 15/38 RH SJTW rated torque, 535A2 35/20 SJTW rated torque
- ↑Somfy PDF catalogue lt50rs485-d0034service.somfy.comRated voltage: Voltage Supply: 120V AC, 60Hz [1002427] (p. 1)Used for: 515S2 RS485 rated voltage, 535A2 RS485 rated voltage, 515S2 RS485 rated current, 535A2 RS485 rated current, 515S2 RS485 cable length, 535A2 RS485 cable length, 515S2 RS485 short-time duty (s2), 535A2 RS485 short-time duty (s2), 515S2 RS485 limit setting, 535A2 RS485 limit setting, 515S2 RS485 limit range, 535A2 RS485 limit range, 515S2 RS485 ip rating, 535A2 RS485 ip rating, 515S2 RS485 operating temp. (min), 535A2 RS485 operating temp. (min), 515S2 RS485 operating temp. (max), 535A2 RS485 operating temp. (max), 515S2 RS485 noise level, 535A2 RS485 noise level, 515S2 RS485 rated torque, 535A2 RS485 rated torque