What torque and speed is each rated for?

Rated torque — Elero RolTop M-868 · 50 Nm · 14 rpm: 50 Nm; Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: 50 Nm. Rated speed — Elero RolTop M-868 · 50 Nm · 14 rpm: 14 rpm; Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: 14 rpm.

What protocols and control options does each support?

Limit setting — Elero RolTop M-868 · 50 Nm · 14 rpm: Electronic; Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: Electronic. Control protocol — Elero RolTop M-868 · 50 Nm · 14 rpm: Proprietary RF; Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: RTS.

What certifications are on record for each?

Marks stated by vendor — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: UL.

Which durability indicators does each publish?

OpenAxia does not rate reliability; the published indicators are: IP rating — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: IP44.

Elero RolTop M-868 · 50 Nm · 14 rpm: 868 MHz vs 433.42 MHz

Radio frequency — Elero RolTop M-868 · 50 Nm · 14 rpm: 868 MHz^{[5; 2026-09-23]}.

Radio frequency — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: 433.42 MHz^{[2; 2026-10-01]}.

Last verified: 2026-10-09

When to choose Elero RolTop M-868 · 50 Nm · 14 rpm

For the stated diameter: 45 mm^{[4; 2026-10-09]}.
For a rated torque of 50 Nm^{[3; 2026-09-23]}.
For a rated speed of 14 rpm^{[3; 2026-09-23]}.
For the stated control protocol: Proprietary RF^{[3; 2026-10-01]}.

When to choose Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector

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 50 Nm^{[1; 2026-10-07]}.
For a rated speed of 14 rpm^{[1; 2026-10-07]}.

Verifiable indicators

Short-time duty (S2) — Elero RolTop M-868 · 50 Nm · 14 rpm: Not published. Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: Not published.

Rated life — Elero RolTop M-868 · 50 Nm · 14 rpm: Not published. Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: Not published.

Thermal protection — Elero RolTop M-868 · 50 Nm · 14 rpm: Not published. Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: Not published.

IP rating — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: IP44^{[1; 2026-10-07]}. Elero RolTop M-868 · 50 Nm · 14 rpm: Not published.

Comparison table
Property	Elero RolTop M-868 · 50 Nm · 14 rpmElero34 262.0006	Somfy Sunea® RTS CMO 550R2 with 18" Fast ConnectorSomfy1118210
Series & variant axes
SeriesDiffers: RolTop M-868 vs Sunea 50	RolTop M-868	Sunea 50
Electrical
Rated voltage	Not published	120 V^{[1; 2026-10-07]}
Mains frequency	Not published	60 Hz^{[1; 2026-10-07]}
Power supply type	Not published	AC mains^{[1; 2026-10-07]}
Rated power input	Not published	240 W^{[2; 2026-09-30]}
Standby power	Not published	0 W^{[2; 2026-10-01]}
Rated current	Not published	2.1 A^{[1; 2026-10-07]}
Drive performance
Rated torque	50 Nm^{[3; 2026-09-23]}	50 Nm^{[1; 2026-10-07]}
Rated speed	14 rpm^{[3; 2026-09-23]}	14 rpm^{[1; 2026-10-07]}
Dimensions & mounting
Motor diameter	45 mm^{[4; 2026-10-09]}	Not published
Fits tube diameter	≥ 50 mm^{[3; 2026-10-01]}	Not published
Limits & protection
Limit setting	Electronic^{[3; 2026-10-01]}	Electronic^{[1; 2026-10-07]}
Limit range	Not published	250 turns^{[1; 2026-10-07]}
Control & communication
Control protocolDiffers: Proprietary RF^{[3; 2026-10-01]} vs RTS^{[2; 2026-09-30]}	Proprietary RF^{[3; 2026-10-01]}	RTS^{[2; 2026-09-30]}
Control interface (as stated)	Radio^{[3; 2026-10-01]}	Not published
Radio frequencyDiffers: 868 MHz^{[5; 2026-09-23]} vs 433.42 MHz^{[2; 2026-10-01]}	868 MHz^{[5; 2026-09-23]}	433.42 MHz^{[2; 2026-10-01]}
Radio range	Not published	200 m^{[2; 2026-10-01]}
Max paired transmitters	Not published	12 pcs^{[2; 2026-10-01]}
Environment & protection
IP rating	Not published	IP44^{[1; 2026-10-07]}
Operating temp. (min)	Not published	-10 °C^{[1; 2026-10-07]}
Operating temp. (max)	Not published	40 °C^{[1; 2026-10-07]}
Noise level	Not published	55 dB(A)^{[2; 2026-09-30]}
Application
Applications	Roller shutter^{[3; 2026-10-01]}	Not published
Compliance & declarations
Marks stated by vendor	Not published	UL^{[2; 2026-10-01]}
Documents	Request datasheet	Official datasheet ↗

Series

Cross-brand alternatives

Wistar motor WSMES0-LED-50/13: 50 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSME50-LED-50/16: 50 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}
Wistar motor WSME50-LED-50/16: 50 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}, 120 V^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}
Wistar motor WSME50-50/13: 50 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSME50-50/16: 50 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}
Wistar motor WSME50-50/16: 50 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}, 120 V^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}

Questions and answers

What torque and speed is each rated for?: Rated torque — Elero RolTop M-868 · 50 Nm · 14 rpm: 50 Nm; Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: 50 Nm. Rated speed — Elero RolTop M-868 · 50 Nm · 14 rpm: 14 rpm; Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: 14 rpm.
What protocols and control options does each support?: Limit setting — Elero RolTop M-868 · 50 Nm · 14 rpm: Electronic; Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: Electronic. Control protocol — Elero RolTop M-868 · 50 Nm · 14 rpm: Proprietary RF; Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: RTS.
What certifications are on record for each?: Marks stated by vendor — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: UL.
Which durability indicators does each publish?: OpenAxia does not rate reliability; the published indicators are: IP rating — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: IP44.

Sources

↑Somfy PDF catalogueservice.somfy.comRated voltage: Voltage Supply: 120V AC, 60Hz [1118167] (p. 1)Manufacturer-stated · Observed 2026-10-07 · Retrieved 2026-10-06 · Public web pageUsed for: 51285, 51287, 51286, 51294, 51293, 51295, 51291, 51292, 51290, 51288, 51289
↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comRated power input: Consumption during operation 240 WManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-30 · Public web pageUsed for: 3570, 10082, 3572, 10079, 10081, 10080, 3568, 10083
↑Elero manufacturer site (product catalog)elero.comRated torque: 50 NmManufacturer-stated · Observed 2026-09-23 · Retrieved 2026-09-23 · Public web pageUsed for: 1959, 1960, 27267, 27266, 27268, 27264, 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-868". 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: 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

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Elero RolTop M-868 · 50 Nm · 14 rpm vs Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector