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Last verified: 2026-10-09

Verifiable indicators

Short-time duty (S2) — Elero RolTop S · 10 Nm · 17 rpm: 4 min^{[2; 2026-10-01]}; Elero RolTop S-868 · 10 Nm · 17 rpm: 4 min^{[2; 2026-10-01]}. A-OK AM45 Built-in Receiver Mechanical Limit AC Tubular Motor: Not published. Somfy 510R2 10/14 SJTW: Not published.

Rated life — A-OK AM45 Built-in Receiver Mechanical Limit AC Tubular Motor: Not published. Elero RolTop S · 10 Nm · 17 rpm: Not published. Elero RolTop S-868 · 10 Nm · 17 rpm: Not published. Somfy 510R2 10/14 SJTW: Not published.

Thermal protection — A-OK AM45 Built-in Receiver Mechanical Limit AC Tubular Motor: Not published. Elero RolTop S · 10 Nm · 17 rpm: Not published. Elero RolTop S-868 · 10 Nm · 17 rpm: Not published. Somfy 510R2 10/14 SJTW: Not published.

IP rating — A-OK AM45 Built-in Receiver Mechanical Limit AC Tubular Motor: IP44^{[1; 2026-09-30]}; Somfy 510R2 10/14 SJTW: IP44^{[3; 2026-09-30]}. Elero RolTop S · 10 Nm · 17 rpm: Not published. Elero RolTop S-868 · 10 Nm · 17 rpm: Not published.

Comparison table
Property	A-OK AM45 Built-in Receiver Mechanical Limit AC Tubular MotorA-OKAM45-10/17-E	Elero RolTop S · 10 Nm · 17 rpmElero30 823.0001	Elero RolTop S-868 · 10 Nm · 17 rpmElero30 824.0006	Somfy 510R2 10/14 SJTWSomfy1038172
Series & variant axes
SeriesDiffers: AM45 vs RolTop S vs RolTop S-868 vs LT50	AM45	RolTop S	RolTop S-868	LT50
Identity & lineage
Series / product line	AM45^{[1; 2026-09-30]}	Not published	Not published	Not published
Electrical
Rated voltageDiffers: Not published vs 230 V^{[2; 2026-10-01]} vs 230 V^{[2; 2026-10-01]} vs 120 V^{[3; 2026-09-30]}	Not published	230 V^{[2; 2026-10-01]}	230 V^{[2; 2026-10-01]}	120 V^{[3; 2026-09-30]}
Mains frequency	Not published	50 Hz^{[2; 2026-10-01]}	50 Hz^{[2; 2026-10-01]}	Not published
Power supply type	AC mains^{[1; 2026-09-30]}	AC mains^{[2; 2026-10-01]}	AC mains^{[2; 2026-10-01]}	AC mains^{[3; 2026-09-30]}
Rated power inputDiffers: 135 W^{[1; 2026-09-30]} vs 140 W^{[2; 2026-10-01]} vs 140 W^{[2; 2026-10-01]} vs 80 W^{[3; 2026-09-30]}	135 W^{[1; 2026-09-30]}	140 W^{[2; 2026-10-01]}	140 W^{[2; 2026-10-01]}	80 W^{[3; 2026-09-30]}
Standby power	Not published	Not published	Not published	0 W^{[3; 2026-10-01]}
Rated current	0.6 A^{[1; 2026-09-30]}	0.6 A^{[2; 2026-10-01]}	0.6 A^{[2; 2026-10-01]}	Not published
Drive performance
Rated torque	10 Nm^{[1; 2026-09-30]}	10 Nm^{[2; 2026-10-01]}	10 Nm^{[2; 2026-10-01]}	10 Nm^{[4; 2026-10-07]}
Rated speedDiffers: 17 rpm^{[1; 2026-09-30]} vs 17 rpm^{[2; 2026-10-01]} vs 17 rpm^{[2; 2026-10-01]} vs 14 rpm^{[4; 2026-10-07]}	17 rpm^{[1; 2026-09-30]}	17 rpm^{[2; 2026-10-01]}	17 rpm^{[2; 2026-10-01]}	14 rpm^{[4; 2026-10-07]}
Short-time duty (S2)	Not published	4 min^{[2; 2026-10-01]}	4 min^{[2; 2026-10-01]}	Not published
Duty type	Not published	S2^{[2; 2026-10-01]}	S2^{[2; 2026-10-01]}	Not published
Dimensions & mounting
Motor diameter	Not published	35 mm^{[5; 2026-10-09]}	35 mm^{[5; 2026-10-09]}	Not published
Fits tube diameter	Not published	≥ 38 mm^{[6; 2026-10-02]}	≥ 38 mm^{[6; 2026-10-01]}	Not published
Overall length	540 mm^{[1; 2026-10-05]}	Not published	Not published	Not published
Weight	Not published	1.2 kg^{[2; 2026-10-01]}	1.2 kg^{[2; 2026-10-01]}	Not published
Limits & protection
Limit settingDiffers: Mechanical^{[1; 2026-09-30]} vs Electronic^{[6; 2026-10-02]} vs Electronic^{[6; 2026-10-01]} vs Not published	Mechanical^{[1; 2026-09-30]}	Electronic^{[6; 2026-10-02]}	Electronic^{[6; 2026-10-01]}	Not published
Control & communication
Control protocol	Not published	Not published	Proprietary RF^{[6; 2026-10-01]}	Not published
Control interface (as stated)	Not published	Hardwired^{[6; 2026-10-02]}	Radio^{[6; 2026-10-01]}	Not published
Radio frequency	Not published	Not published	868 MHz^{[7; 2026-09-23]}	Not published
Environment & protection
IP rating	IP44^{[1; 2026-09-30]}	Not published	Not published	IP44^{[3; 2026-09-30]}
Noise level	Not published	Not published	Not published	45 dB(A)^{[3; 2026-09-30]}
Application
Applications	Not published	Roller blind^{[6; 2026-10-05]}, Roller shutter^{[6; 2026-10-02]}, Screen^{[6; 2026-10-02]}	Roller blind^{[6; 2026-10-05]}, Roller shutter^{[6; 2026-10-01]}, Screen^{[6; 2026-10-01]}	Not published
Documents	Request datasheet	Request datasheet	Request datasheet	Official datasheet ↗

Sources

↑A-OK Motor manufacturer site (product catalog)a-okmotor.comSeries / product line: AM45 Built-in Receiver Mechanical Limit AC Tubular MotorManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-23 · Public web pageUsed for: 2859, 2853, 2856, 2857, 2851, 2852, 49202, 2858, 2854
↑Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title)elero.comRated voltage: Rated voltage (V): 1 ~ 230 [308230001] (p. 24)Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 32847, 32837, 32849, 32839, 32848, 32838, 32851, 32841, 32850, 32840, 32845, 32835, 32846, 32836, 32852, 32842, 32853, 32843, 32854, 32844
↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comRated voltage: Power supply AC - RGE 2 - 120V/60HZManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-30 · Public web pageUsed for: 4298, 4293, 4297, 10473, 4294, 4295
↑Model-name rule somfy-explicit-torque-speed-v2: Somfy model names carrying an explicit "<Nm>/<rpm>" pair, e.g. "525A2 25/20 SJTW".somfysystems.com510R2 10/14 SJTWDerived (model name) · Observed 2026-10-07 · Retrieved 2026-10-07 · Public web pageUsed for: 51340, 51341
↑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: 54582, 54594
↑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: 44347, 27097, 44348, 27096, 27098, 44349, 27093, 49017, 44350, 44351, 49029, 27094, 27095
↑Elero manufacturer site (product catalog)elero.commodel: RolTop S-868 RolTop S10-868 FLDerived · Observed 2026-09-23 · Retrieved 2026-09-23 · Public web pageUsed for: 7375

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Sources