What supply voltage and frequency does each use?

Rated voltage — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 12 V; Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 230 V. Mains frequency — Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 50 Hz. Power supply type — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: DC; Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: AC mains.

What torque and speed is each rated for?

Rated torque — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 2.5 Nm; Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 2.5 Nm. Rated speed — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 35 rpm; Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 90 rpm.

Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 12 V vs 230 V

Rated voltage — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 12 V^{[1; 2026-10-01]}; Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 230 V^{[2; 2026-10-01]}.

Rated power input — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 42 W^{[1; 2026-10-01]}; Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 200 W^{[2; 2026-10-01]}.

Rated current — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 4 A^{[1; 2026-10-01]}; Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 0.9 A^{[2; 2026-10-01]}.

Last verified: 2026-10-06

When to choose Wistar motor WSERD40-L · 2.5 Nm · 35 rpm

For a supply rated 12 V^{[1; 2026-10-01]}.
For the stated supply type: DC^{[1; 2026-10-01]}.
For the stated diameter: 35 mm^{[1; 2026-10-01]}.
For a rated torque of 2.5 Nm^{[1; 2026-10-01]}.

When to choose Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm

For 230 V^{[2; 2026-10-01]} / 50 Hz^{[2; 2026-10-01]} mains.
For the stated supply type: AC mains^{[2; 2026-10-01]}.
For a rated torque of 2.5 Nm^{[2; 2026-10-01]}.
For a rated speed of 90 rpm^{[2; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 5 min^{[2; 2026-10-01]}. Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: Not published.

Rated life — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: Not published. Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: Not published.

Thermal protection — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: Not published. Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: Not published.

IP rating — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: IP22^{[4; 2026-10-06]}. Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: Not published.

Comparison table
Property	Wistar motor WSERD40-L · 2.5 Nm · 35 rpmWistar motorWSERD40-L-2.5/35	Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpmElero38 160.0006
Series & variant axes
SeriesDiffers: WSERD40-L vs RolTop M-868 RH fast running version	WSERD40-L	RolTop M-868 RH fast running version
Identity & lineage
Series / product line	WSERD40-L^{[1; 2026-10-01]}	Not published
Electrical
Rated voltageDiffers: 12 V^{[1; 2026-10-01]} vs 230 V^{[2; 2026-10-01]}	12 V^{[1; 2026-10-01]}	230 V^{[2; 2026-10-01]}
Mains frequency	Not published	50 Hz^{[2; 2026-10-01]}
Power supply typeDiffers: DC^{[1; 2026-10-01]} vs AC mains^{[2; 2026-10-01]}	DC^{[1; 2026-10-01]}	AC mains^{[2; 2026-10-01]}
Rated power inputDiffers: 42 W^{[1; 2026-10-01]} vs 200 W^{[2; 2026-10-01]}	42 W^{[1; 2026-10-01]}	200 W^{[2; 2026-10-01]}
Rated currentDiffers: 4 A^{[1; 2026-10-01]} vs 0.9 A^{[2; 2026-10-01]}	4 A^{[1; 2026-10-01]}	0.9 A^{[2; 2026-10-01]}
Drive performance
Rated torque	2.5 Nm^{[1; 2026-10-01]}	2.5 Nm^{[2; 2026-10-01]}
Rated speedDiffers: 35 rpm^{[1; 2026-10-01]} vs 90 rpm^{[2; 2026-10-01]}	35 rpm^{[1; 2026-10-01]}	90 rpm^{[2; 2026-10-01]}
Short-time duty (S2)	Not published	5 min^{[2; 2026-10-01]}
Duty type	Not published	S2^{[2; 2026-10-01]}
Dimensions & mounting
Motor diameter	35 mm^{[1; 2026-10-01]}	Not published
Fits tube diameter	Not published	≥ 50 mm^{[3; 2026-10-01]}
Overall length	520 mm^{[1; 2026-10-01]}	Not published
WeightDiffers: 1.4 kg^{[1; 2026-10-01]} vs 1.9 kg^{[2; 2026-10-01]}	1.4 kg^{[1; 2026-10-01]}	1.9 kg^{[2; 2026-10-01]}
Limits & protection
Limit setting	Not published	Electronic^{[3; 2026-10-01]}
Control & communication
Control protocol	Not published	Proprietary RF^{[3; 2026-10-01]}
Control interface (as stated)	Not published	Radio^{[3; 2026-10-01]}
Radio frequencyDiffers: 433.92 MHz^{[4; 2026-10-06]} vs 868 MHz^{[5; 2026-09-23]}	433.92 MHz^{[4; 2026-10-06]}	868 MHz^{[5; 2026-09-23]}
Max paired transmitters	15 pcs^{[4; 2026-10-06]}	Not published
Environment & protection
IP rating	IP22^{[4; 2026-10-06]}	Not published
Operating temp. (min)	-15 °C^{[4; 2026-10-06]}	Not published
Operating temp. (max)	65 °C^{[4; 2026-10-06]}	Not published
Application
Applications	Not published	Roller blind^{[3; 2026-10-05]}, Roller shutter^{[3; 2026-10-01]}, Screen^{[3; 2026-10-01]}
Documents	Request datasheet	Request datasheet

Series

Cross-brand alternatives

A-OK AM35 AC Input Mechanical Limit Tubular Motor: 3 Nm^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}, Ø 35 mm^{[A-OK Motor manufacturer site (product catalog); 2026-10-05]}, 230 V^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}
A-OK AM35 AC Input Mechanical Limit Radio Tubular Motor: 3 Nm^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}, Ø 35 mm^{[Tubular diameter derivation tdia-archived-page-motor-diameter-v1; 2026-10-09]}, 230 V^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}
Becker P3-30-S12: 3 Nm^{[Becker-Antriebe GmbH PDF catalogue Gesamtkatalog__4995_800_000_0__Einzelseiten_D.pdf; 2026-10-03]}, Ø 35 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]}
Gaposa SILEO XQ4E333: 3 Nm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Gaposa manufacturer site (product catalog); 2026-10-01]}
Gaposa SILEO XQ4EX333: 3 Nm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Gaposa manufacturer site (product catalog); 2026-10-01]}
Gaposa SILEO XQ4P333: 3 Nm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Gaposa manufacturer site (product catalog); 2026-10-01]}

Data gaps

Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: Limit range — Not yet collected

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 12 V; Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 230 V. Mains frequency — Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 50 Hz. Power supply type — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: DC; Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: AC mains.
What torque and speed is each rated for?: Rated torque — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 2.5 Nm; Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 2.5 Nm. Rated speed — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 35 rpm; Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 90 rpm.
Which durability indicators does each publish?: OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm: 5 min. IP rating — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: IP22.

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSERD40-LManufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 15540, 15532, 15521, 15530, 15534, 15517, 15519, 15525, 15536, 15538
↑Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title)elero.comRated voltage: Rated voltage (V): 1 ~ 230 [381600006] (p. 52)Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 33127, 33129, 33128, 33131, 33130, 33125, 33126, 33132, 33133, 33134
↑Elero manufacturer site (product catalog)elero.comFits tube (min.): Shaft size (mm) from 50Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-09-23 · Public web pageUsed for: 27684, 27683, 27685, 27680, 49080, 27681, 27682
↑Wistar motor PDF catalogue WSERD40-Lwistarmotor.comRadio frequency: Received frequency: 433.92MHz (p. 1)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 50016, 50017, 50015, 50018, 50019
↑Elero manufacturer site (product catalog)elero.commodel: RolTop M-868 RH fast running version RolTop M2.5/90-868 RHDerived · Observed 2026-09-23 · Retrieved 2026-09-23 · Public web pageUsed for: 7481

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Wistar motor WSERD40-L · 2.5 Nm · 35 rpm vs Elero RolTop M-868 RH fast running version · 2.5 Nm · 90 rpm