What supply voltage and frequency does each use?

Rated voltage — Nice 230 Vac E M 817: 230 V; Elero RolTop S · 8 Nm · 17 rpm: 230 V. Mains frequency — Nice 230 Vac E M 817: 50 Hz; Elero RolTop S · 8 Nm · 17 rpm: 50 Hz. Power supply type — Nice 230 Vac E M 817: AC mains; Elero RolTop S · 8 Nm · 17 rpm: AC mains.

What torque and speed is each rated for?

Rated torque — Nice 230 Vac E M 817: 8 Nm; Elero RolTop S · 8 Nm · 17 rpm: 8 Nm. Rated speed — Nice 230 Vac E M 817: 17 rpm; Elero RolTop S · 8 Nm · 17 rpm: 17 rpm. Max load — Nice 230 Vac E M 817: 15 kg.

Which durability indicators does each publish?

OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Nice 230 Vac E M 817: 4 min; Elero RolTop S · 8 Nm · 17 rpm: 4 min. IP rating — Nice 230 Vac E M 817: IP44.

Nice 230 Vac E M 817 vs Elero RolTop S · 8 Nm

Rated power input — Nice 230 Vac E M 817: 120 W^{[1; 2026-10-01]}; Elero RolTop S · 8 Nm · 17 rpm: 168 W^{[2; 2026-10-01]}.

Rated current — Nice 230 Vac E M 817: 0.55 A^{[1; 2026-10-01]}; Elero RolTop S · 8 Nm · 17 rpm: 0.73 A^{[2; 2026-10-01]}.

Weight — Nice 230 Vac E M 817: 1.85 kg^{[1; 2026-10-01]}; Elero RolTop S · 8 Nm · 17 rpm: 1.3 kg^{[2; 2026-10-01]}.

Last verified: 2026-10-09

When to choose Nice 230 Vac E M 817

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 a rated torque of 8 Nm^{[1; 2026-10-01]}.
For a stated load of 15 kg^{[1; 2026-10-01]}.

When to choose Elero RolTop S · 8 Nm · 17 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 the stated diameter: 35 mm^{[3; 2026-10-09]}.
For a rated torque of 8 Nm^{[2; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Nice 230 Vac E M 817: 4 min^{[1; 2026-10-01]}; Elero RolTop S · 8 Nm · 17 rpm: 4 min^{[2; 2026-10-01]}.

Rated life — Nice 230 Vac E M 817: Not yet collected. Elero RolTop S · 8 Nm · 17 rpm: Not published.

Thermal protection — Nice 230 Vac E M 817: Not yet collected. Elero RolTop S · 8 Nm · 17 rpm: Not published.

IP rating — Nice 230 Vac E M 817: IP44^{[1; 2026-10-01]}. Elero RolTop S · 8 Nm · 17 rpm: Not published.

Comparison table
Property	Nice 230 Vac E M 817NiceE M 817	Elero RolTop S · 8 Nm · 17 rpmElero30 253.0001
Series & variant axes
SeriesDiffers: Era M vs RolTop S	Era M	RolTop S
Electrical
Rated voltage	230 V^{[1; 2026-10-01]}	230 V^{[2; 2026-10-01]}
Mains frequency	50 Hz^{[1; 2026-10-01]}	50 Hz^{[2; 2026-10-01]}
Power supply type	AC mains^{[1; 2026-10-01]}	AC mains^{[2; 2026-10-01]}
Rated power inputDiffers: 120 W^{[1; 2026-10-01]} vs 168 W^{[2; 2026-10-01]}	120 W^{[1; 2026-10-01]}	168 W^{[2; 2026-10-01]}
Rated currentDiffers: 0.55 A^{[1; 2026-10-01]} vs 0.73 A^{[2; 2026-10-01]}	0.55 A^{[1; 2026-10-01]}	0.73 A^{[2; 2026-10-01]}
Drive performance
Rated torque	8 Nm^{[1; 2026-10-01]}	8 Nm^{[2; 2026-10-01]}
Rated speed	17 rpm^{[1; 2026-10-01]}	17 rpm^{[2; 2026-10-01]}
Short-time duty (S2)	4 min^{[1; 2026-10-01]}	4 min^{[2; 2026-10-01]}
Duty type	—	S2^{[2; 2026-10-01]}
Max load	15 kg^{[1; 2026-10-01]}	Not published
Dimensions & mounting
Motor diameter	—	35 mm^{[3; 2026-10-09]}
Fits tube diameter	—	≥ 38 mm^{[4; 2026-10-02]}
Overall length	426 mm^{[1; 2026-10-01]}	Not published
WeightDiffers: 1.85 kg^{[1; 2026-10-01]} vs 1.3 kg^{[2; 2026-10-01]}	1.85 kg^{[1; 2026-10-01]}	1.3 kg^{[2; 2026-10-01]}
Limits & protection
Limit setting	—	Electronic^{[4; 2026-10-02]}
Limit range	27 turns^{[1; 2026-10-01]}	Not published
Control & communication
Control interface (as stated)	—	Hardwired^{[4; 2026-10-02]}
Environment & protection
IP rating	IP44^{[1; 2026-10-01]}	Not published
Application
Applications	—	Roller blind^{[4; 2026-10-05]}, Roller shutter^{[4; 2026-10-02]}, Screen^{[4; 2026-10-02]}
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 WSEB40-8/23: 8 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 120 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSS40-8/23: 8 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 120 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSER40-8/23: 8 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 120 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSEC40-8/23: 8 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 120 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Becker P9-16-C01 PLUS inkl. Mini-Lasche: 9 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]}
Becker P9-16-C01 PLUS: 9 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]}

Data gaps

Nice 230 Vac E M 817: Series / product line — Not yet collected
Nice 230 Vac E M 817: Standby power — Not yet collected
Nice 230 Vac E M 817: Cable connection — Not yet collected
Nice 230 Vac E M 817: Cable length — Not yet collected
Nice 230 Vac E M 817: Speed range (min) — Not yet collected
Nice 230 Vac E M 817: Motor diameter — Not yet collected
Nice 230 Vac E M 817: Fits tube diameter — Not yet collected
Nice 230 Vac E M 817: Limit setting — Not yet collected
Nice 230 Vac E M 817: Control protocol — Not yet collected
Nice 230 Vac E M 817: Radio frequency — Not yet collected
Nice 230 Vac E M 817: Two-way feedback — Not yet collected
Nice 230 Vac E M 817: Operating temp. (min) — Not yet collected
Nice 230 Vac E M 817: Operating temp. (max) — Not yet collected
Nice 230 Vac E M 817: Noise level — Not yet collected
Nice 230 Vac E M 817: Applications — Not yet collected
Nice 230 Vac E M 817: Marks stated by vendor — Not yet collected

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Nice 230 Vac E M 817: 230 V; Elero RolTop S · 8 Nm · 17 rpm: 230 V. Mains frequency — Nice 230 Vac E M 817: 50 Hz; Elero RolTop S · 8 Nm · 17 rpm: 50 Hz. Power supply type — Nice 230 Vac E M 817: AC mains; Elero RolTop S · 8 Nm · 17 rpm: AC mains.
What torque and speed is each rated for?: Rated torque — Nice 230 Vac E M 817: 8 Nm; Elero RolTop S · 8 Nm · 17 rpm: 8 Nm. Rated speed — Nice 230 Vac E M 817: 17 rpm; Elero RolTop S · 8 Nm · 17 rpm: 17 rpm. Max load — Nice 230 Vac E M 817: 15 kg.
Which durability indicators does each publish?: OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Nice 230 Vac E M 817: 4 min; Elero RolTop S · 8 Nm · 17 rpm: 4 min. IP rating — Nice 230 Vac E M 817: IP44.

Sources

↑Nice S.p.A. PDF catalogueniceforyou.comRated voltage: Power supply (Vac/Hz): 230/50 [E M 817] (p. 116)Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 38957, 38959, 38958, 38961, 38960, 38962, 38963, 38966, 38964, 38967, 38968, 38965, 38969
↑Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title)elero.comRated voltage: Rated voltage (V): 1 ~ 230 [302530001] (p. 24)Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 32827, 32829, 32828, 32831, 32830, 32825, 32826, 32832, 32833, 32834
↑Tubular diameter derivation tdia-elero-catalog-2026-p23-roltop-selero.com[tdia-elero-catalog-2026-p23-roltop-s] Ø 35 mm from "RolTop S". archive: vendor/elero/aero/catalog_pdf/d3db2f5a3087a18e41569789454c321eaa3e24c3927400842437f18ecca3c54a.pdf p23. elero catalogue 2026 p23, Technical data RolTop S-868 / RolTop S / RolTop S high-speed version / RolTop/D+ S-868 / RolTop/D+ S / RolTop/T S-868: "Min. shaft diameter (mm) 38 … Diameter (mm) 35"Derived (vendor document) · Observed 2026-10-09 · Retrieved 2026-10-09 · Public web pageUsed for: 54581
↑Elero manufacturer site (product catalog)elero.comFits tube (min.): Shaft size (mm) from 38Manufacturer-stated · Observed 2026-10-02 · Retrieved 2026-09-23 · Public web pageUsed for: 44340, 44341, 44342, 49016, 44343, 44344

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Nice 230 Vac E M 817 vs Elero RolTop S · 8 Nm · 17 rpm