Which tube diameters do they fit?

Motor diameter — Elero RolTop M-868 · 12 Nm · 23 rpm: 45 mm; Elero RolTop M-868 · 20 Nm · 14 rpm: 45 mm.

What torque and speed is each rated for?

Rated torque — Elero RolTop M-868 · 12 Nm · 23 rpm: 12 Nm; Elero RolTop M-868 · 20 Nm · 14 rpm: 20 Nm. Rated speed — Elero RolTop M-868 · 12 Nm · 23 rpm: 23 rpm; Elero RolTop M-868 · 20 Nm · 14 rpm: 14 rpm.

What protocols and control options does each support?

Limit setting — Elero RolTop M-868 · 12 Nm · 23 rpm: Electronic; Elero RolTop M-868 · 20 Nm · 14 rpm: Electronic. Control protocol — Elero RolTop M-868 · 12 Nm · 23 rpm: Proprietary RF; Elero RolTop M-868 · 20 Nm · 14 rpm: Proprietary RF.

Elero RolTop M-868: 12 Nm · 23 rpm vs 20 Nm

Rated torque — Elero RolTop M-868 · 12 Nm^{[1; 2026-10-02]} · 23 rpm: 12 Nm; Elero RolTop M-868 · 20 Nm^{[1; 2026-09-23]} · 14 rpm: 20 Nm.

Rated speed — Elero RolTop M-868 · 12 Nm · 23 rpm^{[1; 2026-10-02]}: 23 rpm; Elero RolTop M-868 · 20 Nm · 14 rpm^{[1; 2026-09-23]}: 14 rpm.

Last verified: 2026-10-09

When to choose Elero RolTop M-868 · 12 Nm · 23 rpm

For the stated diameter: 45 mm^{[2; 2026-10-09]}.
For a rated torque of 12 Nm^{[1; 2026-10-02]}.
For a rated speed of 23 rpm^{[1; 2026-10-02]}.
For the stated control protocol: Proprietary RF^{[1; 2026-10-02]}.

When to choose Elero RolTop M-868 · 20 Nm · 14 rpm

For the stated diameter: 45 mm^{[2; 2026-10-09]}.
For a rated torque of 20 Nm^{[1; 2026-09-23]}.
For a rated speed of 14 rpm^{[1; 2026-09-23]}.
For the stated control protocol: Proprietary RF^{[1; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Elero RolTop M-868 · 12 Nm · 23 rpm: Not published. Elero RolTop M-868 · 20 Nm · 14 rpm: Not published.

Rated life — Elero RolTop M-868 · 12 Nm · 23 rpm: Not published. Elero RolTop M-868 · 20 Nm · 14 rpm: Not published.

Thermal protection — Elero RolTop M-868 · 12 Nm · 23 rpm: Not published. Elero RolTop M-868 · 20 Nm · 14 rpm: Not published.

IP rating — Elero RolTop M-868 · 12 Nm · 23 rpm: Not published. Elero RolTop M-868 · 20 Nm · 14 rpm: Not published.

Comparison table
Property	Elero RolTop M-868 · 12 Nm · 23 rpmElero34 236.0006	Elero RolTop M-868 · 20 Nm · 14 rpmElero34 232.0006
Series & variant axes
Series	RolTop M-868	RolTop M-868
TorqueDiffers: 12 Nm vs 20 Nm	12 Nm	20 Nm
Rated speedDiffers: 23 rpm vs 14 rpm	23 rpm	14 rpm
Drive performance
Rated torqueDiffers: 12 Nm^{[1; 2026-10-02]} vs 20 Nm^{[1; 2026-09-23]}	12 Nm^{[1; 2026-10-02]}	20 Nm^{[1; 2026-09-23]}
Rated speedDiffers: 23 rpm^{[1; 2026-10-02]} vs 14 rpm^{[1; 2026-09-23]}	23 rpm^{[1; 2026-10-02]}	14 rpm^{[1; 2026-09-23]}
Dimensions & mounting
Motor diameter	45 mm^{[2; 2026-10-09]}	45 mm^{[2; 2026-10-09]}
Fits tube diameter	≥ 50 mm^{[1; 2026-10-02]}	≥ 50 mm^{[1; 2026-10-01]}
Limits & protection
Limit setting	Electronic^{[1; 2026-10-02]}	Electronic^{[1; 2026-10-01]}
Control & communication
Control protocol	Proprietary RF^{[1; 2026-10-02]}	Proprietary RF^{[1; 2026-10-01]}
Control interface (as stated)	Radio^{[1; 2026-10-02]}	Radio^{[1; 2026-10-01]}
Radio frequency	868 MHz^{[3; 2026-10-02]}	868 MHz^{[3; 2026-09-23]}
Application
ApplicationsDiffers: Roller blind, Roller shutter, Screen^{[1; 2026-10-05]}^{[1; 2026-10-02]}^{[1; 2026-10-01]} vs Roller shutter^{[1; 2026-10-01]}	Roller blind^{[1; 2026-10-05]}, Roller shutter^{[1; 2026-10-02]}, Screen^{[1; 2026-10-01]}	Roller shutter^{[1; 2026-10-01]}
View all 9 variants
Documents	Request datasheet	Request datasheet

Same-series variants

Variant axis	Elero RolTop M-868 · 12 Nm · 23 rpm	Elero RolTop M-868 · 20 Nm · 14 rpm
Torque	12 Nm^{[Elero manufacturer site (product catalog); 2026-10-02]}	20 Nm^{[Elero manufacturer site (product catalog); 2026-09-23]}
Rated speed	23 rpm^{[Elero manufacturer site (product catalog); 2026-10-02]}	14 rpm^{[Elero manufacturer site (product catalog); 2026-09-23]}

Cross-brand alternatives

Becker R12-17-EVO 20 R PLUS BT: 12 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 R12-17-C01 PLUS: 12 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 R12-17-D01: 12 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 R12-17-EVO 20 R BT: 12 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 R12-17-EVO 20 R: 12 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 R12-17-E01: 12 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]}

Questions and answers

Which tube diameters do they fit?: Motor diameter — Elero RolTop M-868 · 12 Nm · 23 rpm: 45 mm; Elero RolTop M-868 · 20 Nm · 14 rpm: 45 mm.
What torque and speed is each rated for?: Rated torque — Elero RolTop M-868 · 12 Nm · 23 rpm: 12 Nm; Elero RolTop M-868 · 20 Nm · 14 rpm: 20 Nm. Rated speed — Elero RolTop M-868 · 12 Nm · 23 rpm: 23 rpm; Elero RolTop M-868 · 20 Nm · 14 rpm: 14 rpm.
What protocols and control options does each support?: Limit setting — Elero RolTop M-868 · 12 Nm · 23 rpm: Electronic; Elero RolTop M-868 · 20 Nm · 14 rpm: Electronic. Control protocol — Elero RolTop M-868 · 12 Nm · 23 rpm: Proprietary RF; Elero RolTop M-868 · 20 Nm · 14 rpm: Proprietary RF.

Sources

↑Elero manufacturer site (product catalog)elero.comRated torque: 12 NmManufacturer-stated · Observed 2026-10-02 · Retrieved 2026-09-23 · Public web pageUsed for: 45843, 1953, 45844, 1954, 45845, 27252, 45846, 27251, 45847, 27253, 45848, 27249, 49049, 45850, 44712, 27250
↑Tubular diameter derivation tdia-elero-catalog-2026-p51-roltop-melero.com[tdia-elero-catalog-2026-p51-roltop-m] Ø 45 mm from "RolTop M-868". archive: vendor/elero/aero/catalog_pdf/d3db2f5a3087a18e41569789454c321eaa3e24c3927400842437f18ecca3c54a.pdf p51. elero catalogue 2026 p51, Technical data RolTop M-868 /-K / RolTop M /-K / RolTop M-868 / RolTop M high-speed version / RolTop/D+ M-868 / RolTop/D+ M / RolTop/D+ M NHK / RolTop s_onro M-868 / RolTop s_onro M / RolTop/J M-868 / RolTop/J M: "Min. shaft diameter (mm) 50 … Diameter (mm) 45"Derived (vendor document) · Observed 2026-10-09 · Retrieved 2026-10-09 · Public web pageUsed for: 54622, 54623
↑Elero manufacturer site (product catalog)elero.comRadio frequency: RolTop M12/23-868 Fast running versionDerived · Observed 2026-10-02 · Retrieved 2026-09-23 · Public web pageUsed for: 45849, 7402

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Elero RolTop M-868 · 12 Nm · 23 rpm vs Elero RolTop M-868 · 20 Nm · 14 rpm