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Last verified: 2026-10-22

Verifiable indicators

Short-time duty (S2) — Somfy 506S2 6/38 SJTW: 5 min^{[2; 2026-10-07]}; Wistar motor WSEB40 · 6 Nm · 34 rpm: 4 min^{[1; 2026-10-01]}; Wistar motor WSEC40 · 6 Nm · 34 rpm: 4 min^{[1; 2026-10-01]}. Elero RolTop M Fast running version · 6 Nm · 35 rpm: Not published.

Rated life — Somfy 506S2 6/38 SJTW: Not published. Elero RolTop M Fast running version · 6 Nm · 35 rpm: Not published. Wistar motor WSEB40 · 6 Nm · 34 rpm: Not published. Wistar motor WSEC40 · 6 Nm · 34 rpm: Not published.

Thermal protection — Somfy 506S2 6/38 SJTW: Not published. Elero RolTop M Fast running version · 6 Nm · 35 rpm: Not published. Wistar motor WSEB40 · 6 Nm · 34 rpm: Not published. Wistar motor WSEC40 · 6 Nm · 34 rpm: Not published.

IP rating — Somfy 506S2 6/38 SJTW: IP44^{[2; 2026-10-07]}; Wistar motor WSEB40 · 6 Nm · 34 rpm: IP44^{[1; 2026-10-01]}; Wistar motor WSEC40 · 6 Nm · 34 rpm: IP44^{[6; 2026-10-06]}. Elero RolTop M Fast running version · 6 Nm · 35 rpm: Not published.

Comparison table
Property	Somfy 506S2 6/38 SJTWSomfy1033401	Elero RolTop M Fast running version · 6 Nm · 35 rpmElero34 237.0001	Wistar motor WSEB40 · 6 Nm · 34 rpmWistar motorWSEB40-6/34	Wistar motor WSEC40 · 6 Nm · 34 rpmWistar motorWSEC40-6/34
Series & variant axes
SeriesDiffers: LT50 vs RolTop M Fast running version vs WSEB40 vs WSEC40	LT50	RolTop M Fast running version	WSEB40	WSEC40
Identity & lineage
Series / product lineDiffers: Not published vs Not published vs WSEB40^{[1; 2026-10-01]} vs WSEC40^{[1; 2026-10-01]}	Not published	Not published	WSEB40^{[1; 2026-10-01]}	WSEC40^{[1; 2026-10-01]}
Electrical
Rated voltage	120 V^{[2; 2026-10-07]}	Not published	120 V^{[1; 2026-10-01]}	120 V^{[1; 2026-10-01]}
Mains frequency	60 Hz^{[2; 2026-10-07]}	Not published	60 Hz^{[1; 2026-10-01]}	60 Hz^{[1; 2026-10-01]}
Power supply type	AC mains^{[2; 2026-10-07]}	Not published	AC mains^{[1; 2026-10-01]}	AC mains^{[1; 2026-10-01]}
Rated power inputDiffers: 80 W^{[3; 2026-10-22]} vs Not published vs 103 W^{[1; 2026-10-01]} vs 103 W^{[1; 2026-10-01]}	80 W^{[3; 2026-10-22]}	Not published	103 W^{[1; 2026-10-01]}	103 W^{[1; 2026-10-01]}
Standby power	0 W^{[3; 2026-10-22]}	Not published	Not published	Not published
Rated currentDiffers: 0.95 A^{[2; 2026-10-07]} vs Not published vs 0.88 A^{[1; 2026-10-01]} vs 0.88 A^{[1; 2026-10-01]}	0.95 A^{[2; 2026-10-07]}	Not published	0.88 A^{[1; 2026-10-01]}	0.88 A^{[1; 2026-10-01]}
Cable length	2 m^{[2; 2026-10-07]}	Not published	Not published	Not published
Drive performance
Rated torque	6 Nm^{[2; 2026-10-07]}	6 Nm^{[4; 2026-09-23]}	6 Nm^{[1; 2026-10-01]}	6 Nm^{[1; 2026-10-01]}
Rated speedDiffers: 38 rpm^{[2; 2026-10-07]} vs 35 rpm^{[4; 2026-09-23]} vs 34 rpm^{[1; 2026-10-01]} vs 34 rpm^{[1; 2026-10-01]}	38 rpm^{[2; 2026-10-07]}	35 rpm^{[4; 2026-09-23]}	34 rpm^{[1; 2026-10-01]}	34 rpm^{[1; 2026-10-01]}
Short-time duty (S2)Differs: 5 min^{[2; 2026-10-07]} vs Not published vs 4 min^{[1; 2026-10-01]} vs 4 min^{[1; 2026-10-01]}	5 min^{[2; 2026-10-07]}Highest stated	Not published	4 min^{[1; 2026-10-01]}	4 min^{[1; 2026-10-01]}
Dimensions & mounting
Motor diameterDiffers: Not published vs 45 mm^{[5; 2026-10-09]} vs 35 mm^{[1; 2026-10-01]} vs 35 mm^{[1; 2026-10-01]}	Not published	45 mm^{[5; 2026-10-09]}	35 mm^{[1; 2026-10-01]}	35 mm^{[1; 2026-10-01]}
Fits tube diameter	Not published	≥ 50 mm^{[4; 2026-10-01]}	Not published	Not published
Overall lengthDiffers: Not published vs Not published vs 720 mm^{[1; 2026-10-01]} vs 600 mm^{[1; 2026-10-01]}	Not published	Not published	720 mm^{[1; 2026-10-01]}	600 mm^{[1; 2026-10-01]}
WeightDiffers: Not published vs Not published vs 1.4 kg^{[1; 2026-10-01]} vs 1.35 kg^{[1; 2026-10-01]}	Not published	Not published	1.4 kg^{[1; 2026-10-01]}	1.35 kg^{[1; 2026-10-01]}
Limits & protection
Limit settingDiffers: Not published vs Electronic^{[4; 2026-10-01]} vs Mechanical^{[1; 2026-10-01]} vs Electronic^{[1; 2026-10-01]}	Not published	Electronic^{[4; 2026-10-01]}	Mechanical^{[1; 2026-10-01]}	Electronic^{[1; 2026-10-01]}
Limit range	Not published	Not published	27 turns^{[1; 2026-10-01]}	—
Control & communication
Control interface (as stated)	Not published	Hardwired^{[4; 2026-10-01]}	Not published	Not published
Environment & protection
IP rating	IP44^{[2; 2026-10-07]}	Not published	IP44^{[1; 2026-10-01]}	IP44^{[6; 2026-10-06]}
Operating temp. (min)	-10 °C^{[2; 2026-10-07]}	Not published	Not published	Not published
Operating temp. (max)	60 °C^{[2; 2026-10-07]}	Not published	Not published	Not published
Noise level	55 dB(A)^{[2; 2026-10-07]}	Not published	Not published	Not published
Application
Applications	Not published	Roller blind^{[4; 2026-10-05]}, Screen^{[4; 2026-10-01]}	Not published	Not published
Documents	Official datasheet ↗	Request datasheet	Request datasheet	Request datasheet

— 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

Data gaps

Wistar motor WSEC40 · 6 Nm · 34 rpm: Limit range — Not yet collected

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSEB40Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 13035, 18434, 13022, 18420, 13034, 18432, 13012, 18412, 13020, 18419, 13024, 18422, 13008, 18410, 13010, 18411, 13026, 18424, 13016, 18415, 13028, 18427, 13032, 18429, 13036, 18435, 13030, 13014
↑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 power input: Consumption during operation 80 WManufacturer-stated · Observed 2026-10-22 · Retrieved 2026-09-30 · Public web pageUsed for: 61680, 61681
↑Elero manufacturer site (product catalog)elero.comRated torque: 6 NmManufacturer-stated · Observed 2026-09-23 · Retrieved 2026-09-23 · Public web pageUsed for: 2037, 2038, 27446, 27445, 27443, 49051, 27444
↑Tubular diameter derivation tdia-elero-catalog-2026-p51-roltop-melero.com[tdia-elero-catalog-2026-p51-roltop-m] Ø 45 mm from "RolTop M Fast running version". archive: vendor/elero/aero/catalog_pdf/d3db2f5a3087a18e41569789454c321eaa3e24c3927400842437f18ecca3c54a.pdf p51. elero catalogue 2026 p51, Technical data RolTop M-868 /-K / RolTop M /-K / RolTop M-868 / RolTop M high-speed version / RolTop/D+ M-868 / RolTop/D+ M / RolTop/D+ M NHK / RolTop s_onro M-868 / RolTop s_onro M / RolTop/J M-868 / RolTop/J M: "Min. shaft diameter (mm) 50 … Diameter (mm) 45"Derived (vendor document) · Observed 2026-10-09 · Retrieved 2026-10-09 · Public web pageUsed for: 54663
↑Wistar motor PDF catalogue WSEC40-WSEC50wistarmotor.comIP rating: Protection index: IP44 (p. 1)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 49892

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Verifiable indicators

Data gaps

Sources