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Last verified: 2026-10-09

Verifiable indicators

Short-time duty (S2) — Somfy 540R2 40/14 SJTW: 5 min^{[2; 2026-10-07]}; Geiger Antriebstechnik PRO.TECline Spindle NHK · 40 Nm · 15 rpm: 4 min^{[4; 2026-10-01]}. Elero SunTop M · 40 Nm · 14 rpm: Not published. Somfy 540R2 RTS CMO: Not published.

Rated life — Elero SunTop M · 40 Nm · 14 rpm: Not published. Somfy 540R2 40/14 SJTW: Not published. Somfy 540R2 RTS CMO: Not published. Geiger Antriebstechnik PRO.TECline Spindle NHK · 40 Nm · 15 rpm: Not published.

Thermal protection — Elero SunTop M · 40 Nm · 14 rpm: Not published. Somfy 540R2 40/14 SJTW: Not published. Somfy 540R2 RTS CMO: Not published. Geiger Antriebstechnik PRO.TECline Spindle NHK · 40 Nm · 15 rpm: Not published.

IP rating — Somfy 540R2 40/14 SJTW: IP44^{[2; 2026-10-07]}; Somfy 540R2 RTS CMO: IP44^{[3; 2026-10-07]}; Geiger Antriebstechnik PRO.TECline Spindle NHK · 40 Nm · 15 rpm: IP44^{[4; 2026-10-01]}. Elero SunTop M · 40 Nm · 14 rpm: Not published.

Comparison table
Property	Elero SunTop M · 40 Nm · 14 rpmElero34 751.0001	Somfy 540R2 40/14 SJTWSomfy1049894	Somfy 540R2 RTS CMOSomfy1051477	Geiger Antriebstechnik PRO.TECline Spindle NHK · 40 Nm · 15 rpmGeiger AntriebstechnikGB45M- 40/15
Series & variant axes
SeriesDiffers: SunTop M vs LT50 vs LT50 vs PRO.TECline Spindle NHK	SunTop M	LT50	LT50	PRO.TECline Spindle NHK
Control protocol	—	—	RTS (from model name)	—
Power supply	—	AC mains	AC mains	—
Torque	—	40 Nm	40 Nm	—
Identity & lineage
Series / product line	Not published	Not published	Not published	PRO.TECline Spindle NHK^{[1; 2026-10-01]}
Electrical
Rated voltageDiffers: Not published vs 120 V^{[2; 2026-10-07]} vs 120 V^{[3; 2026-10-07]} vs 230 V^{[4; 2026-10-01]}	Not published	120 V^{[2; 2026-10-07]}	120 V^{[3; 2026-10-07]}	230 V^{[4; 2026-10-01]}
Mains frequencyDiffers: Not published vs 60 Hz^{[2; 2026-10-07]} vs 60 Hz^{[3; 2026-10-07]} vs 50 Hz^{[4; 2026-10-01]}	Not published	60 Hz^{[2; 2026-10-07]}	60 Hz^{[3; 2026-10-07]}	50 Hz^{[4; 2026-10-01]}
Power supply type	Not published	AC mains^{[2; 2026-10-07]}	AC mains^{[3; 2026-10-07]}	AC mains^{[4; 2026-10-01]}
Supply rating (as stated)	Not published	Not published	Not published	230 V~/50 Hz^{[1; 2026-09-23]}
Rated power inputDiffers: Not published vs 210 W^{[5; 2026-09-30]} vs 210 W^{[5; 2026-09-30]} vs 220 W^{[4; 2026-10-01]}	Not published	210 W^{[5; 2026-09-30]}	210 W^{[5; 2026-09-30]}	220 W^{[4; 2026-10-01]}
Standby power	Not published	0 W^{[5; 2026-10-01]}	0 W^{[5; 2026-10-01]}	Not published
Rated currentDiffers: Not published vs 1.8 A^{[2; 2026-10-07]} vs 1.8 A^{[3; 2026-10-07]} vs 1 A^{[4; 2026-10-01]}	Not published	1.8 A^{[2; 2026-10-07]}	1.8 A^{[3; 2026-10-07]}	1 A^{[4; 2026-10-01]}
Power factor (cos φ)	Not published	Not published	Not published	> 0.95 ^{[4; 2026-10-01]}
Inrush current factor	Not published	Not published	Not published	1.2 x^{[4; 2026-10-01]}
Cable connection	Not published	Not published	Not published	Fixed cable^{[1; 2026-10-01]}
Cable lengthDiffers: Not published vs 2 m^{[2; 2026-10-07]} vs 1.8 m^{[3; 2026-10-07]} vs Not published	Not published	2 m^{[2; 2026-10-07]}	1.8 m^{[3; 2026-10-07]}	Not published
Drive performance
Rated torque	40 Nm^{[6; 2026-10-02]}	40 Nm^{[2; 2026-10-07]}	40 Nm^{[3; 2026-10-07]}	40 Nm^{[4; 2026-10-01]}
Rated speedDiffers: 14 rpm^{[6; 2026-10-02]} vs 14 rpm^{[2; 2026-10-07]} vs 14 rpm^{[3; 2026-10-07]} vs 15 rpm^{[4; 2026-10-01]}	14 rpm^{[6; 2026-10-02]}	14 rpm^{[2; 2026-10-07]}	14 rpm^{[3; 2026-10-07]}	15 rpm^{[4; 2026-10-01]}
Short-time duty (S2)Differs: Not published vs 5 min^{[2; 2026-10-07]} vs Not published vs 4 min^{[4; 2026-10-01]}	Not published	5 min^{[2; 2026-10-07]}Highest stated	Not published	4 min^{[4; 2026-10-01]}
Duty type	Not published	Not published	Not published	S2^{[4; 2026-10-01]}
Dimensions & mounting
Motor diameter	45 mm^{[7; 2026-10-09]}	Not published	Not published	45 mm^{[4; 2026-10-01]}
Fits tube diameter	≥ 50 mm^{[6; 2026-10-02]}	Not published	Not published	Not published
Overall length	Not published	Not published	Not published	588 mm^{[4; 2026-10-01]}
Weight	Not published	Not published	Not published	≈ 2.7 kg^{[4; 2026-10-01]}
Limits & protection
Limit settingDiffers: Electronic^{[6; 2026-10-02]} vs Not published vs Electronic^{[3; 2026-10-07]} vs Mechanical^{[1; 2026-10-01]}	Electronic^{[6; 2026-10-02]}	Not published	Electronic^{[3; 2026-10-07]}	Mechanical^{[1; 2026-10-01]}
Limit rangeDiffers: Not published vs Not published vs 34 turns^{[3; 2026-10-07]} vs 22 turns^{[4; 2026-10-01]}	Not published	Not published	34 turns^{[3; 2026-10-07]}	22 turns^{[4; 2026-10-01]}
Obstacle detection	Not published	Not published	Not published	No^{[1; 2026-10-01]}
Control & communication
Control protocol	Not published	Not published	RTS^{[5; 2026-09-30]}	Not published
Control interface (as stated)	Hardwired^{[6; 2026-10-02]}	Not published	Not published	Not published
Radio frequency	Not published	Not published	433.42 MHz^{[5; 2026-10-01]}	Not published
Radio range	Not published	Not published	200 m^{[5; 2026-10-01]}	Not published
Max paired transmitters	Not published	Not published	12 pcs^{[5; 2026-10-01]}	Not published
Environment & protection
IP rating	Not published	IP44^{[2; 2026-10-07]}	IP44^{[3; 2026-10-07]}	IP44^{[4; 2026-10-01]}
Operating temp. (min)	Not published	-10 °C^{[2; 2026-10-07]}	-10 °C^{[3; 2026-10-07]}	Not published
Operating temp. (max)Differs: Not published vs 60 °C^{[2; 2026-10-07]} vs 40 °C^{[3; 2026-10-07]} vs Not published	Not published	60 °C^{[2; 2026-10-07]}Highest stated	40 °C^{[3; 2026-10-07]}	Not published
Noise levelDiffers: Not published vs 55 dB(A)^{[5; 2026-09-30]} vs Not published vs 48 dB(A)^{[4; 2026-10-01]}	Not published	55 dB(A)^{[5; 2026-09-30]}	Not published	48 dB(A)^{[4; 2026-10-01]}Lowest stated
Application
ApplicationsDiffers: Awning, Roller blind, Screen^{[6; 2026-10-02]}^{[6; 2026-10-05]}^{[6; 2026-10-02]} vs Not published vs Not published vs Awning, Cassette awning, Roller shutter, Screen^{[1; 2026-10-01]}^{[1; 2026-10-01]}^{[1; 2026-10-01]}^{[1; 2026-10-01]}	Awning^{[6; 2026-10-02]}, Roller blind^{[6; 2026-10-05]}, Screen^{[6; 2026-10-02]}	Not published	Not published	Awning^{[1; 2026-10-01]}, Cassette awning^{[1; 2026-10-01]}, Roller shutter^{[1; 2026-10-01]}, Screen^{[1; 2026-10-01]}
Compliance & declarations
Marks stated by vendor	Not published	Not published	UL^{[5; 2026-10-01]}	Not published
View all 24 variants
Documents	Request datasheet	Official datasheet ↗	Official 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

Sources

↑Geiger Antriebstechnik manufacturer site (product catalog)geiger.deSeries / product line: PRO.TECline Spindle NHKManufacturer-stated · Observed 2026-10-01 · Retrieved 2026-09-23 · Public web pageUsed for: 7095, 1194, 7102, 7101, 7100, 7098, 7099, 7096, 7097
↑Somfy PDF catalogue lt50ra-d0025service.somfy.comRated voltage: Voltage Supply: 120V AC, 60Hz [1049042] (p. 1)Manufacturer-stated · Observed 2026-10-07 · Retrieved 2026-10-06 · Public web pageUsed for: 51140, 51142, 51141, 51148, 51146, 51147, 51149, 51150, 51143, 51144, 51145
↑Somfy PDF catalogueservice.somfy.comRated voltage: Voltage Supply: 120V AC, 60Hz [1049013] (p. 1)Manufacturer-stated · Observed 2026-10-07 · Retrieved 2026-10-06 · Public web pageUsed for: 51185, 51187, 51186, 51195, 51193, 51194, 51196, 51191, 51192, 51190, 51188, 51189
↑Geiger Antriebstechnik PDF cataloguegeiger.deRated voltage: Spannung: 230V~/50 Hz [GB45M-40/15] (p. 31)Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 30815, 30819, 30817, 30826, 30821, 30822, 30824, 30828, 30831, 30838, 30840, 30844, 30837, 30846, 30833, 30835, 30842
↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comRated power input: Consumption during operation 210 WManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-30 · Public web pageUsed for: 4871, 4797, 11183, 11116, 4799, 11113, 11115, 11114, 4869, 11117
↑Elero manufacturer site (product catalog)elero.comRated torque: 40 NmManufacturer-stated · Observed 2026-10-02 · Retrieved 2026-09-23 · Public web pageUsed for: 44629, 44630, 44631, 44632, 44633, 44634, 49067, 44635
↑Tubular diameter derivation tdia-elero-catalog-2026-p61-suntop-melero.com[tdia-elero-catalog-2026-p61-suntop-m] Ø 45 mm from "SunTop M". archive: vendor/elero/aero/catalog_pdf/d3db2f5a3087a18e41569789454c321eaa3e24c3927400842437f18ecca3c54a.pdf p61. elero catalogue 2026 p61, Technical data SunTop M-868 / SunTop M / SunTop M High-speed version / SunTop/Z M-868 / SunTop/Z M / SunTop/Z M High-speed version: "Min. shaft diameter (mm) 50 … Diameter (mm) 45"Derived (vendor document) · Observed 2026-10-09 · Retrieved 2026-10-09 · Public web pageUsed for: 54677

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Verifiable indicators

Sources