What supply voltage and frequency does each use?

Rated voltage — Somfy 506S2 6/38 SJTW: 120 V; Somfy 510R2 10/14 SJTW: 120 V. Mains frequency — Somfy 506S2 6/38 SJTW: 60 Hz. Power supply type — Somfy 506S2 6/38 SJTW: AC mains; Somfy 510R2 10/14 SJTW: AC mains.

What torque and speed is each rated for?

Rated torque — Somfy 506S2 6/38 SJTW: 6 Nm; Somfy 510R2 10/14 SJTW: 10 Nm. Rated speed — Somfy 506S2 6/38 SJTW: 38 rpm; Somfy 510R2 10/14 SJTW: 14 rpm.

Which durability indicators does each publish?

OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Somfy 506S2 6/38 SJTW: 5 min. IP rating — Somfy 506S2 6/38 SJTW: IP44; Somfy 510R2 10/14 SJTW: IP44.

Somfy: 506S2 6/38 SJTW vs 510R2 10/14 SJTW Compared

Rated torque — Somfy 506S2 6/38 SJTW: 6 Nm^{[1; 2026-10-07]}; Somfy 510R2 10/14 SJTW: 10 Nm^{[3; 2026-10-07]}.

Rated speed — Somfy 506S2 6/38 SJTW: 38 rpm^{[1; 2026-10-07]}; Somfy 510R2 10/14 SJTW: 14 rpm^{[3; 2026-10-07]}.

Noise level — Somfy 506S2 6/38 SJTW: 55 dB(A)^{[1; 2026-10-07]}; Somfy 510R2 10/14 SJTW: 45 dB(A)^{[2; 2026-09-30]}.

Last verified: 2026-10-22

When to choose Somfy 506S2 6/38 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 6 Nm^{[1; 2026-10-07]}.
For a rated speed of 38 rpm^{[1; 2026-10-07]}.

When to choose Somfy 510R2 10/14 SJTW

For a supply rated 120 V^{[2; 2026-09-30]}.
For the stated supply type: AC mains^{[2; 2026-09-30]}.
For a rated torque of 10 Nm^{[3; 2026-10-07]}.
For a rated speed of 14 rpm^{[3; 2026-10-07]}.

Verifiable indicators

Short-time duty (S2) — Somfy 506S2 6/38 SJTW: 5 min^{[1; 2026-10-07]}. Somfy 510R2 10/14 SJTW: Not published.

Rated life — Somfy 506S2 6/38 SJTW: Not published. Somfy 510R2 10/14 SJTW: Not published.

Thermal protection — Somfy 506S2 6/38 SJTW: Not published. Somfy 510R2 10/14 SJTW: Not published.

IP rating — Somfy 506S2 6/38 SJTW: IP44^{[1; 2026-10-07]}; Somfy 510R2 10/14 SJTW: IP44^{[2; 2026-09-30]}.

Comparison table
Property	Somfy 506S2 6/38 SJTWSomfy1033401	Somfy 510R2 10/14 SJTWSomfy1038172
Series & variant axes
Series	LT50	LT50
Power supply	AC mains	AC mains
TorqueDiffers: 6 Nm vs 10 Nm	6 Nm	10 Nm
Electrical
Rated voltage	120 V^{[1; 2026-10-07]}	120 V^{[2; 2026-09-30]}
Mains frequency	60 Hz^{[1; 2026-10-07]}	Not published
Power supply type	AC mains^{[1; 2026-10-07]}	AC mains^{[2; 2026-09-30]}
Rated power input	80 W^{[2; 2026-10-22]}	80 W^{[2; 2026-09-30]}
Standby power	0 W^{[2; 2026-10-22]}	0 W^{[2; 2026-10-01]}
Rated current	0.95 A^{[1; 2026-10-07]}	Not published
Cable length	2 m^{[1; 2026-10-07]}	Not published
Drive performance
Rated torqueDiffers: 6 Nm^{[1; 2026-10-07]} vs 10 Nm^{[3; 2026-10-07]}	6 Nm^{[1; 2026-10-07]}	10 Nm^{[3; 2026-10-07]}
Rated speedDiffers: 38 rpm^{[1; 2026-10-07]} vs 14 rpm^{[3; 2026-10-07]}	38 rpm^{[1; 2026-10-07]}	14 rpm^{[3; 2026-10-07]}
Short-time duty (S2)	5 min^{[1; 2026-10-07]}	Not published
Environment & protection
IP rating	IP44^{[1; 2026-10-07]}	IP44^{[2; 2026-09-30]}
Operating temp. (min)	-10 °C^{[1; 2026-10-07]}	Not published
Operating temp. (max)	60 °C^{[1; 2026-10-07]}	Not published
Noise levelDiffers: 55 dB(A)^{[1; 2026-10-07]} vs 45 dB(A)^{[2; 2026-09-30]}	55 dB(A)^{[1; 2026-10-07]}	45 dB(A)^{[2; 2026-09-30]}Lowest stated
View all 24 variants
Documents	Official datasheet ↗	Official datasheet ↗

Same-series variants

Variant axis	Somfy 506S2 6/38 SJTW	Somfy 510R2 10/14 SJTW
Torque	6 Nm^{[Somfy PDF catalogue lt50ra-d0025.pdf; 2026-10-07]}	10 Nm^{[Model-name rule somfy-explicit-torque-speed-v2: Somfy model names carrying an explicit "<Nm>/<rpm>" pair, e.g. "525A2 25/20 SJTW".; 2026-10-07]}

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Somfy 506S2 6/38 SJTW: 120 V; Somfy 510R2 10/14 SJTW: 120 V. Mains frequency — Somfy 506S2 6/38 SJTW: 60 Hz. Power supply type — Somfy 506S2 6/38 SJTW: AC mains; Somfy 510R2 10/14 SJTW: AC mains.
What torque and speed is each rated for?: Rated torque — Somfy 506S2 6/38 SJTW: 6 Nm; Somfy 510R2 10/14 SJTW: 10 Nm. Rated speed — Somfy 506S2 6/38 SJTW: 38 rpm; Somfy 510R2 10/14 SJTW: 14 rpm.
Which durability indicators does each publish?: OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Somfy 506S2 6/38 SJTW: 5 min. IP rating — Somfy 506S2 6/38 SJTW: IP44; Somfy 510R2 10/14 SJTW: IP44.

Sources

↑Somfy PDF catalogue lt50ra-d0025service.somfy.comRated voltage: Voltage Supply: 120V AC, 60Hz [1032023] (p. 1)Manufacturer-stated · Observed 2026-10-07 · Retrieved 2026-10-06 · Public web pageUsed for: 51063, 51065, 51064, 51071, 51069, 51070, 51072, 51073, 51066, 51067, 51068, 51074
↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comRated voltage: Power supply AC - RGE 2 - 120V/60HZManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-30 · Public web pageUsed for: 4298, 4293, 61680, 4297, 61681, 10473, 4294, 4295
↑Model-name rule somfy-explicit-torque-speed-v2: Somfy model names carrying an explicit "<Nm>/<rpm>" pair, e.g. "525A2 25/20 SJTW".somfysystems.com510R2 10/14 SJTWDerived (model name) · Observed 2026-10-07 · Retrieved 2026-10-07 · Public web pageUsed for: 51340, 51341

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Somfy 506S2 6/38 SJTW vs Somfy 510R2 10/14 SJTW