Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector vs Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector
Rated torque — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: 50 Nm [1; 2026-10-07]; Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: 35 Nm [1; 2026-10-07].
Rated speed — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: 14 rpm [1; 2026-10-07]; Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: 20 rpm [1; 2026-10-07].
Last verified: 2026-10-13
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].
When to choose Somfy Sunea® RTS CMO 535A2 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 35 Nm [1; 2026-10-07].
- For a rated speed of 20 rpm [1; 2026-10-07].
Verifiable indicators
Short-time duty (S2) — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: Not published. Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: Not published.
Rated life — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: Not published. Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: Not published.
Thermal protection — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: Not published. Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: Not published.
IP rating — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: IP44 [1; 2026-10-07]; Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: IP44 [1; 2026-10-07].
| Property | Somfy Sunea® RTS CMO 550R2 with 18" Fast ConnectorSomfy1118210 | Somfy Sunea® RTS CMO 535A2 with 18" Fast ConnectorSomfy1116321 |
|---|---|---|
| Series & variant axes | ||
| Series | Sunea 50 | Sunea 50 |
| Control protocol | RTS (from model name) | RTS (from model name) |
| Power supply | AC mains | AC mains |
| TorqueDiffers: 50 Nm vs 35 Nm | 50 Nm | 35 Nm |
| Electrical | ||
| Rated voltage | 120 V [1; 2026-10-07] | 120 V [1; 2026-10-07] |
| Mains frequency | 60 Hz [1; 2026-10-07] | 60 Hz [1; 2026-10-07] |
| Power supply type | AC mains [1; 2026-10-07] | AC mains [1; 2026-10-07] |
| Rated power input | 240 W [2; 2026-09-30] | 240 W [2; 2026-10-13] |
| Standby power | 0 W [2; 2026-10-01] | 0 W [2; 2026-10-13] |
| Rated current | 2.1 A [1; 2026-10-07] | 2.1 A [1; 2026-10-07] |
| Drive performance | ||
| Rated torqueDiffers: 50 Nm [1; 2026-10-07] vs 35 Nm [1; 2026-10-07] | 50 Nm [1; 2026-10-07] | 35 Nm [1; 2026-10-07] |
| Rated speedDiffers: 14 rpm [1; 2026-10-07] vs 20 rpm [1; 2026-10-07] | 14 rpm [1; 2026-10-07] | 20 rpm [1; 2026-10-07] |
| Limits & protection | ||
| Limit setting | Electronic [1; 2026-10-07] | Electronic [1; 2026-10-07] |
| Limit range | 250 turns [1; 2026-10-07] | 250 turns [1; 2026-10-07] |
| Control & communication | ||
| Control protocol | RTS [2; 2026-09-30] | RTS [2; 2026-10-13] |
| Radio frequency | 433.42 MHz [2; 2026-10-01] | 433.42 MHz [2; 2026-10-13] |
| Radio range | 200 m [2; 2026-10-01] | 200 m [2; 2026-10-13] |
| Max paired transmitters | 12 pcs [2; 2026-10-01] | 12 pcs [2; 2026-10-13] |
| Environment & protection | ||
| IP rating | IP44 [1; 2026-10-07] | IP44 [1; 2026-10-07] |
| Operating temp. (min) | -10 °C [1; 2026-10-07] | -10 °C [1; 2026-10-07] |
| Operating temp. (max) | 40 °C [1; 2026-10-07] | 40 °C [1; 2026-10-07] |
| Noise level | 55 dB(A) [2; 2026-09-30] | 55 dB(A) [2; 2026-10-13] |
| Compliance & declarations | ||
| Marks stated by vendor | UL [2; 2026-10-01] | UL [2; 2026-10-13] |
| View all 4 variants | ||
| Documents | Official datasheet ↗ | Official datasheet ↗ |
Same-series variants
| Variant axis | Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector | Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector |
|---|---|---|
| Torque | 50 Nm [Somfy PDF catalogue sunearts_cmo-d0032.pdf; 2026-10-07] | 35 Nm [Somfy PDF catalogue sunearts_cmo-d0032.pdf; 2026-10-07] |
Questions and answers
- What supply voltage and frequency does each use?
- Rated voltage — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: 120 V; Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: 120 V. Mains frequency — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: 60 Hz; Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: 60 Hz. Power supply type — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: AC mains; Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: AC mains.
- What torque and speed is each rated for?
- Rated torque — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: 50 Nm; Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: 35 Nm. Rated speed — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: 14 rpm; Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: 20 rpm.
- What protocols and control options does each support?
- Limit setting — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: Electronic; Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: Electronic. Control protocol — Somfy Sunea® RTS CMO 550R2 with 18" Fast Connector: RTS; Somfy Sunea® RTS CMO 535A2 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; Somfy Sunea® RTS CMO 535A2 with 18" Fast Connector: UL.
Sources
- ↑Somfy PDF catalogueservice.somfy.comRated voltage: Voltage Supply: 120V AC, 60Hz [1118167] (p. 1)Used for: 51285, 51274, 51287, 51276, 51286, 51275, 51294, 51283, 51293, 51282, 51295, 51284, 51291, 51280, 51292, 51281, 51290, 51279, 51288, 51277, 51289, 51278
- ↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comRated power input: Consumption during operation 240 WUsed for: 3570, 57050, 10082, 57051, 3572, 57052, 10079, 57053, 10081, 57054, 10080, 57055, 3568, 57057, 10083, 57058