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Last verified: 2026-10-09

Verifiable indicators

Short-time duty (S2) — Somfy 550R2 RTS CMO: Not published. Elero RolTop M · 50 Nm · 14 rpm: Not published. Elero RolTop M-868 · 50 Nm · 14 rpm: Not published. A-OK AM45 Electronic Limits Manual Override Awning Motor: Not published.

Rated life — Somfy 550R2 RTS CMO: Not published. Elero RolTop M · 50 Nm · 14 rpm: Not published. Elero RolTop M-868 · 50 Nm · 14 rpm: Not published. A-OK AM45 Electronic Limits Manual Override Awning Motor: Not published.

Thermal protection — Somfy 550R2 RTS CMO: Not published. Elero RolTop M · 50 Nm · 14 rpm: Not published. Elero RolTop M-868 · 50 Nm · 14 rpm: Not published. A-OK AM45 Electronic Limits Manual Override Awning Motor: Not published.

IP rating — Somfy 550R2 RTS CMO: IP44^{[2; 2026-10-07]}; A-OK AM45 Electronic Limits Manual Override Awning Motor: IP44^{[1; 2026-09-30]}. Elero RolTop M · 50 Nm · 14 rpm: Not published. Elero RolTop M-868 · 50 Nm · 14 rpm: Not published.

Comparison table
Property	Somfy 550R2 RTS CMOSomfy1051466	Elero RolTop M · 50 Nm · 14 rpmElero34 261.0001	Elero RolTop M-868 · 50 Nm · 14 rpmElero34 262.0006	A-OK AM45 Electronic Limits Manual Override Awning MotorA-OKAM45E-50/12-MEL-CAL-W
Series & variant axes
SeriesDiffers: LT50 vs RolTop M vs RolTop M-868 vs AM45	LT50	RolTop M	RolTop M-868	AM45
Identity & lineage
Series / product line	Not published	Not published	Not published	AM45^{[1; 2026-09-30]}
Electrical
Rated voltage	120 V^{[2; 2026-10-07]}	Not published	Not published	Not published
Mains frequency	60 Hz^{[2; 2026-10-07]}	Not published	Not published	Not published
Power supply type	AC mains^{[2; 2026-10-07]}	Not published	Not published	Not published
Rated power inputDiffers: 250 W^{[3; 2026-09-30]} vs Not published vs Not published vs 280 W^{[1; 2026-09-30]}	250 W^{[3; 2026-09-30]}	Not published	Not published	280 W^{[1; 2026-09-30]}
Standby power	0 W^{[3; 2026-10-01]}	Not published	Not published	Not published
Rated currentDiffers: 2.1 A^{[2; 2026-10-07]} vs Not published vs Not published vs 1.25 A^{[1; 2026-09-30]}	2.1 A^{[2; 2026-10-07]}	Not published	Not published	1.25 A^{[1; 2026-09-30]}
Cable length	1.8 m^{[2; 2026-10-07]}	Not published	Not published	Not published
Drive performance
Rated torque	50 Nm^{[2; 2026-10-07]}	50 Nm^{[4; 2026-10-02]}	50 Nm^{[4; 2026-09-23]}	50 Nm^{[1; 2026-09-30]}
Rated speedDiffers: 14 rpm^{[2; 2026-10-07]} vs 14 rpm^{[4; 2026-10-02]} vs 14 rpm^{[4; 2026-09-23]} vs 12 rpm^{[1; 2026-09-30]}	14 rpm^{[2; 2026-10-07]}	14 rpm^{[4; 2026-10-02]}	14 rpm^{[4; 2026-09-23]}	12 rpm^{[1; 2026-09-30]}
Dimensions & mounting
Motor diameter	Not published	45 mm^{[5; 2026-10-09]}	45 mm^{[5; 2026-10-09]}	Not published
Fits tube diameter	Not published	≥ 50 mm^{[4; 2026-10-02]}	≥ 50 mm^{[4; 2026-10-01]}	Not published
Limits & protection
Limit setting	Electronic^{[2; 2026-10-07]}	Electronic^{[4; 2026-10-02]}	Electronic^{[4; 2026-10-01]}	Electronic^{[1; 2026-09-30]}
Limit range	34 turns^{[2; 2026-10-07]}	Not published	Not published	Not published
Control & communication
Control protocolDiffers: RTS^{[3; 2026-09-30]} vs Not published vs Proprietary RF^{[4; 2026-10-01]} vs Not published	RTS^{[3; 2026-09-30]}	Not published	Proprietary RF^{[4; 2026-10-01]}	Not published
Control interface (as stated)	Not published	Hardwired^{[4; 2026-10-02]}	Radio^{[4; 2026-10-01]}	Not published
Radio frequencyDiffers: 433.42 MHz^{[3; 2026-10-01]} vs Not published vs 868 MHz^{[6; 2026-09-23]} vs Not published	433.42 MHz^{[3; 2026-10-01]}	Not published	868 MHz^{[6; 2026-09-23]}	Not published
Radio range	200 m^{[3; 2026-10-01]}	Not published	Not published	Not published
Max paired transmitters	12 pcs^{[3; 2026-10-01]}	Not published	Not published	Not published
Environment & protection
IP rating	IP44^{[2; 2026-10-07]}	Not published	Not published	IP44^{[1; 2026-09-30]}
Operating temp. (min)	-10 °C^{[2; 2026-10-07]}	Not published	Not published	Not published
Operating temp. (max)	40 °C^{[2; 2026-10-07]}	Not published	Not published	Not published
Noise level	Not published	Not published	Not published	45 dB(A)^{[1; 2026-09-30]}
Application
ApplicationsDiffers: Not published vs Roller shutter^{[4; 2026-10-02]} vs Roller shutter^{[4; 2026-10-01]} vs Awning^{[7; 2026-10-06]}	Not published	Roller shutter^{[4; 2026-10-02]}	Roller shutter^{[4; 2026-10-01]}	Awning^{[7; 2026-10-06]}
Compliance & declarations
Marks stated by vendor	UL^{[3; 2026-10-01]}	Not published	Not published	Not published
Documents	Official datasheet ↗	Request datasheet	Request datasheet	Request datasheet

Sources

↑A-OK Motor manufacturer site (product catalog)a-okmotor.comSeries / product line: AM45 Electronic Limits Manual Override Awning MotorManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-23 · Public web pageUsed for: 2964, 2962, 2961, 2956, 2957, 2963, 2958, 2959
↑Somfy PDF catalogueservice.somfy.comRated voltage: Voltage Supply: 120V AC, 60Hz [1051012] (p. 1)Manufacturer-stated · Observed 2026-10-07 · Retrieved 2026-10-06 · Public web pageUsed for: 51209, 51211, 51210, 51219, 51217, 51218, 51220, 51215, 51216, 51214, 51212, 51213
↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comRated power input: Consumption during operation 250 WManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-30 · Public web pageUsed for: 3880, 10263, 3882, 10260, 10262, 10261, 10264
↑Elero manufacturer site (product catalog)elero.comRated torque: 50 NmManufacturer-stated · Observed 2026-10-02 · Retrieved 2026-09-23 · Public web pageUsed for: 44522, 1959, 44523, 1960, 44524, 27267, 44525, 27266, 27268, 44526, 27264, 44527, 27265
↑Tubular diameter derivation tdia-elero-catalog-2026-p51-roltop-melero.com[tdia-elero-catalog-2026-p51-roltop-m] Ø 45 mm from "RolTop M". 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: 54635, 54626
↑Elero manufacturer site (product catalog)elero.commodel: RolTop M-868 RolTop M50-868Derived · Observed 2026-09-23 · Retrieved 2026-09-23 · Public web pageUsed for: 7408
↑https://www.a-okmotor.com/product/details_497_1200.htmla-okmotor.comA-OK AM45 Electronic Limits Manual Override Awning Motor (AM45E-50/12-MEL-CAL-W): a-okmotor.com Products > Tubular Motor (https://www.a-okmotor.com/product/details_497_1200.html); vendor application scenario: awningManufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 50598

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Sources