What supply voltage and frequency does each use?

Rated voltage — Elero VariEco M · 12 Nm · 23 rpm: 230 V; Elero VariEco M · 20 Nm · 14 rpm: 230 V. Mains frequency — Elero VariEco M · 12 Nm · 23 rpm: 50 Hz; Elero VariEco M · 20 Nm · 14 rpm: 50 Hz. Power supply type — Elero VariEco M · 12 Nm · 23 rpm: AC mains; Elero VariEco M · 20 Nm · 14 rpm: AC mains.

Which tube diameters do they fit?

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

What torque and speed is each rated for?

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

What protocols and control options does each support?

Limit setting — Elero VariEco M · 12 Nm · 23 rpm: Mechanical; Elero VariEco M · 20 Nm · 14 rpm: Mechanical.

Elero VariEco M: 12 Nm · 23 rpm vs 20 Nm

Rated torque — Elero VariEco M · 12 Nm^{[1; 2026-10-01]} · 23 rpm: 12 Nm; Elero VariEco M · 20 Nm^{[1; 2026-10-01]} · 14 rpm: 20 Nm.

Rated speed — Elero VariEco M · 12 Nm · 23 rpm^{[1; 2026-10-01]}: 23 rpm; Elero VariEco M · 20 Nm · 14 rpm^{[1; 2026-10-01]}: 14 rpm.

Short-time duty (S2) — Elero VariEco M · 12 Nm · 23 rpm: 5 min^{[1; 2026-10-01]}; Elero VariEco M · 20 Nm · 14 rpm: 4 min^{[1; 2026-10-01]}.

Last verified: 2026-10-09

When to choose Elero VariEco M · 12 Nm · 23 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^{[2; 2026-10-09]}.
For a rated torque of 12 Nm^{[1; 2026-10-01]}.

When to choose Elero VariEco M · 20 Nm · 14 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^{[2; 2026-10-09]}.
For a rated torque of 20 Nm^{[1; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Elero VariEco M · 12 Nm · 23 rpm: 5 min^{[1; 2026-10-01]}; Elero VariEco M · 20 Nm · 14 rpm: 4 min^{[1; 2026-10-01]}.

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

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

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

Comparison table
Property	Elero VariEco M · 12 Nm · 23 rpmElero34 935.0101	Elero VariEco M · 20 Nm · 14 rpmElero34 931.0101
Series & variant axes
Series	VariEco M	VariEco M
TorqueDiffers: 12 Nm vs 20 Nm	12 Nm	20 Nm
Rated speedDiffers: 23 rpm vs 14 rpm	23 rpm	14 rpm
Electrical
Rated voltage	230 V^{[1; 2026-10-01]}	230 V^{[1; 2026-10-01]}
Mains frequency	50 Hz^{[1; 2026-10-01]}	50 Hz^{[1; 2026-10-01]}
Power supply type	AC mains^{[1; 2026-10-01]}	AC mains^{[1; 2026-10-01]}
Rated power input	200 W^{[1; 2026-10-01]}	200 W^{[1; 2026-10-01]}
Rated current	0.9 A^{[1; 2026-10-01]}	0.9 A^{[1; 2026-10-01]}
Drive performance
Rated torqueDiffers: 12 Nm^{[1; 2026-10-01]} vs 20 Nm^{[1; 2026-10-01]}	12 Nm^{[1; 2026-10-01]}	20 Nm^{[1; 2026-10-01]}
Rated speedDiffers: 23 rpm^{[1; 2026-10-01]} vs 14 rpm^{[1; 2026-10-01]}	23 rpm^{[1; 2026-10-01]}	14 rpm^{[1; 2026-10-01]}
Short-time duty (S2)Differs: 5 min^{[1; 2026-10-01]} vs 4 min^{[1; 2026-10-01]}	5 min^{[1; 2026-10-01]}Highest stated	4 min^{[1; 2026-10-01]}
Duty type	S2^{[1; 2026-10-01]}	S2^{[1; 2026-10-01]}
Dimensions & mounting
Motor diameter	45 mm^{[2; 2026-10-09]}	45 mm^{[2; 2026-10-09]}
Fits tube diameter	≥ 50 mm^{[3; 2026-10-02]}	≥ 50 mm^{[3; 2026-10-02]}
Weight	Not published	1.9 kg^{[1; 2026-10-01]}
Limits & protection
Limit setting	Mechanical^{[3; 2026-10-02]}	Mechanical^{[3; 2026-10-02]}
Control & communication
Control interface (as stated)	Hardwired^{[3; 2026-10-02]}	Hardwired^{[3; 2026-10-02]}
Application
Applications	Awning^{[3; 2026-10-02]}, Roller blind^{[3; 2026-10-05]}, Roller shutter^{[3; 2026-10-02]}, Screen^{[3; 2026-10-02]}	Awning^{[3; 2026-10-02]}, Roller blind^{[3; 2026-10-05]}, Roller shutter^{[3; 2026-10-02]}, Screen^{[3; 2026-10-02]}
View all 9 variants
Documents	Request datasheet	Request datasheet

Relations and interchangeability

Elero VariEco M · 12 Nm · 23 rpm → Elero VariEco M · 20 Nm · 14 rpm

Not directly interchangeable

Same product type (tubular motor)
Used for Awning, Roller blind, Roller shutter, Screen (same)
Ø45 mm (same class)
230 V (same)
Power supply AC mains (same)
Mains 50 Hz (same)
Limits: Mechanical (same)
Torque 20 Nm is far above 12 Nm
Speed 14 rpm vs 23 rpm
Control system not confirmed

Required changes / checks: Control system not confirmed

Not checked: crown & drive adapters and motor head; Not checked: brackets; Not checked: remote pairing; Not checked: wiring

Elero VariEco M · 20 Nm · 14 rpm → Elero VariEco M · 12 Nm · 23 rpm

Not directly interchangeable

Same product type (tubular motor)
Used for Awning, Roller blind, Roller shutter, Screen (same)
Ø45 mm (same class)
230 V (same)
Power supply AC mains (same)
Mains 50 Hz (same)
Limits: Mechanical (same)
Torque 12 Nm is below the 20 Nm needed
Speed 23 rpm vs 14 rpm
Control system not confirmed

Required changes / checks: Control system not confirmed

Not checked: crown & drive adapters and motor head; Not checked: brackets; Not checked: remote pairing; Not checked: wiring

Same-series variants

Variant axis	Elero VariEco M · 12 Nm · 23 rpm	Elero VariEco M · 20 Nm · 14 rpm
Torque	12 Nm^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}	20 Nm^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}
Rated speed	23 rpm^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}	14 rpm^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}

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

What supply voltage and frequency does each use?: Rated voltage — Elero VariEco M · 12 Nm · 23 rpm: 230 V; Elero VariEco M · 20 Nm · 14 rpm: 230 V. Mains frequency — Elero VariEco M · 12 Nm · 23 rpm: 50 Hz; Elero VariEco M · 20 Nm · 14 rpm: 50 Hz. Power supply type — Elero VariEco M · 12 Nm · 23 rpm: AC mains; Elero VariEco M · 20 Nm · 14 rpm: AC mains.
Which tube diameters do they fit?: Motor diameter — Elero VariEco M · 12 Nm · 23 rpm: 45 mm; Elero VariEco M · 20 Nm · 14 rpm: 45 mm.
What torque and speed is each rated for?: Rated torque — Elero VariEco M · 12 Nm · 23 rpm: 12 Nm; Elero VariEco M · 20 Nm · 14 rpm: 20 Nm. Rated speed — Elero VariEco M · 12 Nm · 23 rpm: 23 rpm; Elero VariEco M · 20 Nm · 14 rpm: 14 rpm.
What protocols and control options does each support?: Limit setting — Elero VariEco M · 12 Nm · 23 rpm: Mechanical; Elero VariEco M · 20 Nm · 14 rpm: Mechanical.

Sources

↑Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title)elero.comRated voltage: Rated voltage (V): 1 ~ 230 [349350101] (p. 68)Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 33927, 33936, 33929, 33938, 33928, 33937, 33931, 33940, 33930, 33939, 33925, 33934, 33926, 33935, 33932, 33941, 33933, 33942, 33943
↑Tubular diameter derivation tdia-elero-catalog-2026-p67-varieco-melero.com[tdia-elero-catalog-2026-p67-varieco-m] Ø 45 mm from "VariEco M". archive: vendor/elero/aero/catalog_pdf/d3db2f5a3087a18e41569789454c321eaa3e24c3927400842437f18ecca3c54a.pdf p67. elero catalogue 2026 p67, Technical data VariEco M / VariEco M high-speed version / VariEco+ M / VariEco+ M high-speed version / VariEco M NHK: "Min. shaft diameter (mm) 50 … Diameter (mm) 45"Derived (vendor document) · Observed 2026-10-09 · Retrieved 2026-10-09 · Public web pageUsed for: 54681, 54682
↑Elero manufacturer site (product catalog)elero.comFits tube (min.): Shaft size (mm) from 50Manufacturer-stated · Observed 2026-10-02 · Retrieved 2026-09-23 · Public web pageUsed for: 44662, 44670, 44663, 44671, 44664, 44672, 44666, 49071, 44665, 44667, 44674, 49072, 44673, 44675

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Elero VariEco M · 12 Nm · 23 rpm vs Elero VariEco M · 20 Nm · 14 rpm