Which tube diameters do they fit?

Motor diameter — Wistar motor WSME50 · 25 Nm · 13 rpm: 45 mm; Elero RolMotion M-868 · 25 Nm · 14 rpm: 45 mm.

What torque and speed is each rated for?

Rated torque — Wistar motor WSME50 · 25 Nm · 13 rpm: 25 Nm; Elero RolMotion M-868 · 25 Nm · 14 rpm: 25 Nm. Rated speed — Wistar motor WSME50 · 25 Nm · 13 rpm: 13 rpm; Elero RolMotion M-868 · 25 Nm · 14 rpm: 14 rpm.

What protocols and control options does each support?

Limit setting — Wistar motor WSME50 · 25 Nm · 13 rpm: Mechanical; Elero RolMotion M-868 · 25 Nm · 14 rpm: Electronic. Control protocol — Elero RolMotion M-868 · 25 Nm · 14 rpm: Proprietary RF.

Which durability indicators does each publish?

OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Wistar motor WSME50 · 25 Nm · 13 rpm: 4 min. IP rating — Wistar motor WSME50 · 25 Nm · 13 rpm: IP44.

Wistar motor WSME50 · 25 Nm · 13 rpm: 13 rpm vs 14 rpm

Rated speed — Wistar motor WSME50 · 25 Nm · 13 rpm^{[1; 2026-10-01]}: 13 rpm.

Rated speed — Elero RolMotion M-868 · 25 Nm · 14 rpm^{[2; 2026-09-23]}: 14 rpm.

Last verified: 2026-10-09

When to choose Wistar motor WSME50 · 25 Nm · 13 rpm

For 230 V^{[1; 2026-10-01]} / 50 Hz^{[1; 2026-10-01]} mains.
For the stated supply type: AC mains^{[1; 2026-10-01]}.
For the stated diameter: 45 mm^{[1; 2026-10-01]}.
For a rated torque of 25 Nm^{[1; 2026-10-01]}.

When to choose Elero RolMotion M-868 · 25 Nm · 14 rpm

For the stated diameter: 45 mm^{[3; 2026-10-09]}.
For a rated torque of 25 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) — Wistar motor WSME50 · 25 Nm · 13 rpm: 4 min^{[1; 2026-10-01]}. Elero RolMotion M-868 · 25 Nm · 14 rpm: Not published.

Rated life — Wistar motor WSME50 · 25 Nm · 13 rpm: Not published. Elero RolMotion M-868 · 25 Nm · 14 rpm: Not published.

Thermal protection — Wistar motor WSME50 · 25 Nm · 13 rpm: Not published. Elero RolMotion M-868 · 25 Nm · 14 rpm: Not published.

IP rating — Wistar motor WSME50 · 25 Nm · 13 rpm: IP44^{[5; 2026-10-06]}. Elero RolMotion M-868 · 25 Nm · 14 rpm: Not published.

Comparison table
Property	Wistar motor WSME50 · 25 Nm · 13 rpmWistar motorWSME50-25/13	Elero RolMotion M-868 · 25 Nm · 14 rpmElero44 242.0001
Series & variant axes
SeriesDiffers: WSME50 vs RolMotion M-868	WSME50	RolMotion M-868
Identity & lineage
Series / product line	WSME50^{[1; 2026-10-01]}	Not published
Electrical
Rated voltage	230 V^{[1; 2026-10-01]}	Not published
Mains frequency	50 Hz^{[1; 2026-10-01]}	Not published
Power supply type	AC mains^{[1; 2026-10-01]}	Not published
Rated power input	174 W^{[1; 2026-10-01]}	Not published
Rated current	0.72 A^{[1; 2026-10-01]}	Not published
Drive performance
Rated torque	25 Nm^{[1; 2026-10-01]}	25 Nm^{[2; 2026-09-23]}
Rated speedDiffers: 13 rpm^{[1; 2026-10-01]} vs 14 rpm^{[2; 2026-09-23]}	13 rpm^{[1; 2026-10-01]}	14 rpm^{[2; 2026-09-23]}
Speed range (min)	Not published	5 rpm^{[2; 2026-10-01]}
Short-time duty (S2)	4 min^{[1; 2026-10-01]}	Not published
Dimensions & mounting
Motor diameter	45 mm^{[1; 2026-10-01]}	45 mm^{[3; 2026-10-09]}
Fits tube diameter	Not published	≥ 50 mm^{[2; 2026-10-01]}
Overall length	700 mm^{[1; 2026-10-01]}	Not published
Weight	4.05 kg^{[1; 2026-10-01]}	Not published
Limits & protection
Limit settingDiffers: Mechanical^{[1; 2026-10-01]} vs Electronic^{[2; 2026-10-01]}	Mechanical^{[1; 2026-10-01]}	Electronic^{[2; 2026-10-01]}
Limit range	27 turns^{[1; 2026-10-01]}	Not published
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]}
Max paired transmitters	15 pcs^{[5; 2026-10-06]}	Not published
Environment & protection
IP rating	IP44^{[5; 2026-10-06]}	Not published
Operating temp. (min)	-10 °C^{[5; 2026-10-06]}	Not published
Operating temp. (max)	55 °C^{[5; 2026-10-06]}	Not published
Application
Applications	Not published	Roller shutter^{[2; 2026-10-01]}
Documents	Request datasheet	Request datasheet

Series

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Questions and answers

Which tube diameters do they fit?: Motor diameter — Wistar motor WSME50 · 25 Nm · 13 rpm: 45 mm; Elero RolMotion M-868 · 25 Nm · 14 rpm: 45 mm.
What torque and speed is each rated for?: Rated torque — Wistar motor WSME50 · 25 Nm · 13 rpm: 25 Nm; Elero RolMotion M-868 · 25 Nm · 14 rpm: 25 Nm. Rated speed — Wistar motor WSME50 · 25 Nm · 13 rpm: 13 rpm; Elero RolMotion M-868 · 25 Nm · 14 rpm: 14 rpm.
What protocols and control options does each support?: Limit setting — Wistar motor WSME50 · 25 Nm · 13 rpm: Mechanical; Elero RolMotion M-868 · 25 Nm · 14 rpm: Electronic. Control protocol — Elero RolMotion M-868 · 25 Nm · 14 rpm: Proprietary RF.
Which durability indicators does each publish?: OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Wistar motor WSME50 · 25 Nm · 13 rpm: 4 min. IP rating — Wistar motor WSME50 · 25 Nm · 13 rpm: IP44.

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSME50Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 13901, 13887, 13899, 13881, 13885, 13889, 13879, 13880, 13891, 13883, 13893, 13897, 13903, 13895
↑Elero manufacturer site (product catalog)elero.comRated torque: 25 NmManufacturer-stated · Observed 2026-09-23 · Retrieved 2026-09-23 · Public web pageUsed for: 1619, 1620, 26061, 26059, 26058, 26060, 26056, 26057
↑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"Derived (vendor document) · Observed 2026-10-09 · Retrieved 2026-10-09 · Public web pageUsed for: 54545
↑Elero manufacturer site (product catalog)elero.commodel: RolMotion M-868 RolMotion M25-868Derived · Observed 2026-09-23 · Retrieved 2026-09-23 · Public web pageUsed for: 7314
↑Wistar motor PDF catalogue WSME50wistarmotor.comMax paired transmitters: compatible with 15 emitters at most: 15 (p. 1)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 50060, 50059, 50061, 50062

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Wistar motor WSME50 · 25 Nm · 13 rpm vs Elero RolMotion M-868 · 25 Nm · 14 rpm