Somfy 515S2 15/38 RH SJTW vs Somfy 515S2 15/38 SJTW
Noise level — Somfy 515S2 15/38 RH SJTW: 60 dB(A) [2; 2026-09-30].
Noise level — Somfy 515S2 15/38 SJTW: 56 dB(A) [1; 2026-10-07].
Last verified: 2026-10-07
When to choose Somfy 515S2 15/38 RH SJTW
- For 120 V [1; 2026-10-07] / 60 Hz [1; 2026-10-07] mains.
- For the stated supply type: AC mains [1; 2026-10-07].
- For a rated torque of 15 Nm [3; 2026-10-07].
- For a rated speed of 38 rpm [3; 2026-10-07].
When to choose Somfy 515S2 15/38 SJTW
- For 120 V [1; 2026-10-07] / 60 Hz [1; 2026-10-07] mains.
- For the stated supply type: AC mains [1; 2026-10-07].
- For a rated torque of 15 Nm [1; 2026-10-07].
- For a rated speed of 38 rpm [1; 2026-10-07].
Verifiable indicators
Short-time duty (S2) — Somfy 515S2 15/38 RH SJTW: 5 min [1; 2026-10-07]; Somfy 515S2 15/38 SJTW: 5 min [1; 2026-10-07].
Rated life — Somfy 515S2 15/38 RH SJTW: Not published. Somfy 515S2 15/38 SJTW: Not published.
Thermal protection — Somfy 515S2 15/38 RH SJTW: Not published. Somfy 515S2 15/38 SJTW: Not published.
IP rating — Somfy 515S2 15/38 RH SJTW: IP44 [1; 2026-10-07]; Somfy 515S2 15/38 SJTW: IP44 [1; 2026-10-07].
| Property | Somfy 515S2 15/38 RH SJTWSomfy1040061 | Somfy 515S2 15/38 SJTWSomfy1040062 |
|---|---|---|
| Series & variant axes | ||
| Series | LT50 | LT50 |
| Power supply | AC mains | AC mains |
| Torque | 15 Nm | 15 Nm |
| Electrical | ||
| Rated voltage | 120 V [1; 2026-10-07] | 120 V [1; 2026-10-07] |
| Mains frequency | 60 Hz [1; 2026-10-07] | 60 Hz [1; 2026-10-07] |
| Power supply type | AC mains [1; 2026-10-07] | AC mains [1; 2026-10-07] |
| Rated power input | 210 W [2; 2026-09-30] | 210 W [2; 2026-09-30] |
| Standby power | 0 W [2; 2026-10-01] | 0 W [2; 2026-10-01] |
| Rated current | Not published | 1.8 A [1; 2026-10-07] |
| Cable length | 2 m [1; 2026-10-07] | 2 m [1; 2026-10-07] |
| Drive performance | ||
| Rated torque | 15 Nm [3; 2026-10-07] | 15 Nm [1; 2026-10-07] |
| Rated speed | 38 rpm [3; 2026-10-07] | 38 rpm [1; 2026-10-07] |
| Short-time duty (S2) | 5 min [1; 2026-10-07] | 5 min [1; 2026-10-07] |
| Environment & protection | ||
| IP rating | IP44 [1; 2026-10-07] | IP44 [1; 2026-10-07] |
| Operating temp. (min) | -10 °C [1; 2026-10-07] | -10 °C [1; 2026-10-07] |
| Operating temp. (max) | 60 °C [1; 2026-10-07] | 60 °C [1; 2026-10-07] |
| Noise levelDiffers: 60 dB(A) [2; 2026-09-30] vs 56 dB(A) [1; 2026-10-07] | 60 dB(A) [2; 2026-09-30] | 56 dB(A) [1; 2026-10-07]Lowest stated |
| View all 24 variants | ||
| Documents | Official datasheet ↗ | Official datasheet ↗ |
Questions and answers
- What supply voltage and frequency does each use?
- Rated voltage — Somfy 515S2 15/38 RH SJTW: 120 V; Somfy 515S2 15/38 SJTW: 120 V. Mains frequency — Somfy 515S2 15/38 RH SJTW: 60 Hz; Somfy 515S2 15/38 SJTW: 60 Hz. Power supply type — Somfy 515S2 15/38 RH SJTW: AC mains; Somfy 515S2 15/38 SJTW: AC mains.
- What torque and speed is each rated for?
- Rated torque — Somfy 515S2 15/38 RH SJTW: 15 Nm; Somfy 515S2 15/38 SJTW: 15 Nm. Rated speed — Somfy 515S2 15/38 RH SJTW: 38 rpm; Somfy 515S2 15/38 SJTW: 38 rpm.
- Which durability indicators does each publish?
- OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Somfy 515S2 15/38 RH SJTW: 5 min; Somfy 515S2 15/38 SJTW: 5 min. IP rating — Somfy 515S2 15/38 RH SJTW: IP44; Somfy 515S2 15/38 SJTW: IP44.
Sources
- ↑Somfy PDF catalogue lt50ra-d0025service.somfy.comRated voltage: Voltage Supply: 120V AC, 60Hz [1039019] (p. 1)Used for: 51120, 51128, 51122, 51130, 51121, 51129, 51136, 51126, 51134, 51135, 51137, 51127, 51138, 51123, 51131, 51124, 51132, 51125, 51133, 51139
- ↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comRated power input: Consumption during operation 210 WUsed for: 4496, 4502, 10543, 10544, 4494
- ↑Model-name rule somfy-explicit-torque-speed-v2: Somfy model names carrying an explicit "<Nm>/<rpm>" pair, e.g. "525A2 25/20 SJTW".somfysystems.com515S2 15/38 RH SJTWUsed for: 51346, 51347