A-OK AM45 BLDC Obstacle-Detecting Motor vs Elero RolMotion M-868 · 20 Nm · 14 rpm
The two models have 2 matching published parameters. No comparable difference is established by the collected sources. The part numbers differ. [1; 2026-09-30] [2; 2026-09-23] [5; 2026-10-06] [2; 2026-10-01]
Last verified: 2026-10-09
When to choose A-OK AM45 BLDC Obstacle-Detecting Motor
- For a supply rated 12 V [1; 2026-09-30].
- For the stated supply type: DC [1; 2026-10-01].
- For a rated torque of 20 Nm [1; 2026-09-30].
- For the listed applications: Roller shutter [5; 2026-10-06].
When to choose Elero RolMotion M-868 · 20 Nm · 14 rpm
- For the stated diameter: 45 mm [3; 2026-10-09].
- For a rated torque of 20 Nm [2; 2026-09-23].
- For a rated speed of 14 rpm [2; 2026-09-23].
- For the stated control protocol: Proprietary RF [2; 2026-10-01].
Verifiable indicators
Short-time duty (S2) — A-OK AM45 BLDC Obstacle-Detecting Motor: 5 min [1; 2026-10-01]. Elero RolMotion M-868 · 20 Nm · 14 rpm: Not published.
Rated life — A-OK AM45 BLDC Obstacle-Detecting Motor: Not published. Elero RolMotion M-868 · 20 Nm · 14 rpm: Not published.
Thermal protection — A-OK AM45 BLDC Obstacle-Detecting Motor: Not published. Elero RolMotion M-868 · 20 Nm · 14 rpm: Not published.
IP rating — A-OK AM45 BLDC Obstacle-Detecting Motor: IP65 [1; 2026-09-30]. Elero RolMotion M-868 · 20 Nm · 14 rpm: Not published.
| Property | A-OK AM45 BLDC Obstacle-Detecting MotorA-OKAM45F-20/12-R-ES-Z-BLD | Elero RolMotion M-868 · 20 Nm · 14 rpmElero44 232.0001 |
|---|---|---|
| Series & variant axes | ||
| SeriesDiffers: AM45 vs RolMotion M-868 | AM45 | RolMotion M-868 |
| Identity & lineage | ||
| Series / product line | AM45 [1; 2026-09-30] | Not published |
| Electrical | ||
| Rated voltage | 12 V [1; 2026-09-30] | Not published |
| Power supply type | DC [1; 2026-10-01] | Not published |
| Rated current | 5 A [1; 2026-09-30] | Not published |
| Drive performance | ||
| Rated torque | 20 Nm [1; 2026-09-30] | 20 Nm [2; 2026-09-23] |
| Rated speed | — | 14 rpm [2; 2026-09-23] |
| Speed range (min) | Not published | 5 rpm [2; 2026-10-01] |
| Short-time duty (S2) | 5 min [1; 2026-10-01] | Not published |
| Dimensions & mounting | ||
| Motor diameter | Not published | 45 mm [3; 2026-10-09] |
| Fits tube diameter | Not published | ≥ 50 mm [2; 2026-10-01] |
| Limits & protection | ||
| Limit setting | Not published | Electronic [2; 2026-10-01] |
| Control & communication | ||
| Control protocol | Not published | Proprietary RF [2; 2026-10-01] |
| Control interface (as stated) | Not published | Radio [2; 2026-10-01] |
| Radio frequency | Not published | 868 MHz [4; 2026-09-23] |
| Environment & protection | ||
| IP rating | IP65 [1; 2026-09-30] | Not published |
| Application | ||
| Applications | Roller shutter [5; 2026-10-06] | Roller shutter [2; 2026-10-01] |
| Documents | 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
Series
Cross-brand alternatives
- Wistar motor WSME50-LED-20/13: 20 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-20/17: 20 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]
- Becker R20-17-EVO 20 R PLUS BT: 20 Nm [Becker-Antriebe GmbH PDF catalogue Gesamtkatalog__4995_800_000_0__Einzelseiten_D.pdf; 2026-10-03], Ø 45 mm [Becker-Antriebe product centre (product catalog); 2026-10-01], 230 V [Becker-Antriebe GmbH PDF catalogue Gesamtkatalog__4995_800_000_0__Einzelseiten_D.pdf; 2026-10-03]
- Wistar motor WSME50-LED-20/21: 20 Nm [Wistar motor manufacturer site (product catalog); 2026-10-01], Ø 45 mm [Wistar motor manufacturer site (product catalog); 2026-10-01], 120 V [Wistar motor manufacturer site (product catalog); 2026-10-01]
- Becker R20-17-C01 PLUS: 20 Nm [Becker-Antriebe GmbH PDF catalogue Gesamtkatalog__4995_800_000_0__Einzelseiten_D.pdf; 2026-10-03], Ø 45 mm [Becker-Antriebe product centre (product catalog); 2026-10-01], 230 V [Becker-Antriebe GmbH PDF catalogue Gesamtkatalog__4995_800_000_0__Einzelseiten_D.pdf; 2026-10-03]
- Becker R20-17-D01: 20 Nm [Becker-Antriebe GmbH PDF catalogue Gesamtkatalog__4995_800_000_0__Einzelseiten_D.pdf; 2026-10-03], Ø 45 mm [Becker-Antriebe product centre (product catalog); 2026-10-01], 230 V [Becker-Antriebe GmbH PDF catalogue Gesamtkatalog__4995_800_000_0__Einzelseiten_D.pdf; 2026-10-03]
Data gaps
- A-OK AM45 BLDC Obstacle-Detecting Motor: Rated speed — Not yet collected
Questions and answers
- What torque and speed is each rated for?
- Rated torque — A-OK AM45 BLDC Obstacle-Detecting Motor: 20 Nm; Elero RolMotion M-868 · 20 Nm · 14 rpm: 20 Nm. Rated speed — Elero RolMotion M-868 · 20 Nm · 14 rpm: 14 rpm.
- Which durability indicators does each publish?
- OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — A-OK AM45 BLDC Obstacle-Detecting Motor: 5 min. IP rating — A-OK AM45 BLDC Obstacle-Detecting Motor: IP65.
Sources
- ↑A-OK Motor manufacturer site (product catalog)a-okmotor.comSeries / product line: AM45 BLDC Obstacle-Detecting MotorUsed for: 2824, 2822, 9859, 2823, 2818, 9860, 2820
- ↑Elero manufacturer site (product catalog)elero.comRated torque: 20 NmUsed for: 1615, 1616, 26049, 26047, 26046, 26048, 26044, 26045
- ↑Tubular diameter derivation tdia-elero-catalog-2026-p45-rolmotion-melero.com[tdia-elero-catalog-2026-p45-rolmotion-m] Ø 45 mm from "RolMotion M-868". archive: vendor/elero/aero/catalog_pdf/d3db2f5a3087a18e41569789454c321eaa3e24c3927400842437f18ecca3c54a.pdf p45. elero catalogue 2026 p45, Technical data RolMotion M-868 / RolMotion M / RolMotion/D+ M-868 / RolMotion/D+ M: "Min. shaft diameter (mm) 50 … Diameter (mm) 45"Used for: 54543
- ↑Elero manufacturer site (product catalog)elero.commodel: RolMotion M-868 RolMotion M20-868Used for: 7312
- ↑https://www.a-okmotor.com/product/details_497_2763.htmla-okmotor.comA-OK AM45 BLDC Obstacle-Detecting Motor (AM45F-20/12-R-ES-Z-BLD): a-okmotor.com Products > Tubular Motor (https://www.a-okmotor.com/product/details_497_2763.html); vendor application scenario: rolling shutter (window)Used for: 50665