What supply voltage and frequency does each use?

Rated voltage — Elero RolTop/D+ M · 30 Nm · 14 rpm: 230 V; Elero RolTop/D+ M · 20 Nm · 14 rpm: 230 V. Mains frequency — Elero RolTop/D+ M · 30 Nm · 14 rpm: 50 Hz; Elero RolTop/D+ M · 20 Nm · 14 rpm: 50 Hz. Power supply type — Elero RolTop/D+ M · 30 Nm · 14 rpm: AC mains; Elero RolTop/D+ M · 20 Nm · 14 rpm: AC mains.

Which tube diameters do they fit?

Motor diameter — Elero RolTop/D+ M · 30 Nm · 14 rpm: 45 mm; Elero RolTop/D+ M · 20 Nm · 14 rpm: 45 mm.

What torque and speed is each rated for?

Rated torque — Elero RolTop/D+ M · 30 Nm · 14 rpm: 30 Nm; Elero RolTop/D+ M · 20 Nm · 14 rpm: 20 Nm. Rated speed — Elero RolTop/D+ M · 30 Nm · 14 rpm: 14 rpm; Elero RolTop/D+ M · 20 Nm · 14 rpm: 14 rpm.

What protocols and control options does each support?

Limit setting — Elero RolTop/D+ M · 30 Nm · 14 rpm: Electronic; Elero RolTop/D+ M · 20 Nm · 14 rpm: Electronic.

Elero RolTop/D+ M: 30 Nm · 14 rpm vs 20 Nm

Rated torque — Elero RolTop/D+ M · 30 Nm^{[1; 2026-10-01]} · 14 rpm: 30 Nm; Elero RolTop/D+ M · 20 Nm^{[1; 2026-10-01]} · 14 rpm: 20 Nm.

Weight — Elero RolTop/D+ M · 30 Nm · 14 rpm: 2.3 kg^{[1; 2026-10-01]}; Elero RolTop/D+ M · 20 Nm · 14 rpm: 2.2 kg^{[1; 2026-10-01]}.

Last verified: 2026-10-09

When to choose Elero RolTop/D+ M · 30 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 30 Nm^{[1; 2026-10-01]}.

When to choose Elero RolTop/D+ 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 RolTop/D+ M · 30 Nm · 14 rpm: 4 min^{[1; 2026-10-01]}; Elero RolTop/D+ M · 20 Nm · 14 rpm: 4 min^{[1; 2026-10-01]}.

Rated life — Elero RolTop/D+ M · 30 Nm · 14 rpm: Not published. Elero RolTop/D+ M · 20 Nm · 14 rpm: Not published.

Thermal protection — Elero RolTop/D+ M · 30 Nm · 14 rpm: Not published. Elero RolTop/D+ M · 20 Nm · 14 rpm: Not published.

IP rating — Elero RolTop/D+ M · 30 Nm · 14 rpm: Not published. Elero RolTop/D+ M · 20 Nm · 14 rpm: Not published.

Comparison table
Property	Elero RolTop/D+ M · 30 Nm · 14 rpmElero34 043.0001	Elero RolTop/D+ M · 20 Nm · 14 rpmElero34 033.0001
Series & variant axes
Series	RolTop/D+ M	RolTop/D+ M
TorqueDiffers: 30 Nm vs 20 Nm	30 Nm	20 Nm
Rated speed	14 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: 30 Nm^{[1; 2026-10-01]} vs 20 Nm^{[1; 2026-10-01]}	30 Nm^{[1; 2026-10-01]}	20 Nm^{[1; 2026-10-01]}
Rated speed	14 rpm^{[1; 2026-10-01]}	14 rpm^{[1; 2026-10-01]}
Short-time duty (S2)	4 min^{[1; 2026-10-01]}	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]}
WeightDiffers: 2.3 kg^{[1; 2026-10-01]} vs 2.2 kg^{[1; 2026-10-01]}	2.3 kg^{[1; 2026-10-01]}	2.2 kg^{[1; 2026-10-01]}
Limits & protection
Limit setting	Electronic^{[3; 2026-10-02]}	Electronic^{[3; 2026-10-02]}
Control & communication
Control interface (as stated)	Hardwired^{[3; 2026-10-02]}	Hardwired^{[3; 2026-10-02]}
Application
Applications	Roller shutter^{[3; 2026-10-02]}	Roller shutter^{[3; 2026-10-02]}
View all 4 variants
Documents	Request datasheet	Request datasheet

Relations and interchangeability

Elero RolTop/D+ M · 30 Nm · 14 rpm → Elero RolTop/D+ M · 20 Nm · 14 rpm

Not directly interchangeable

OpenAxia comparison of published specifications — not a manufacturer statement^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}^{[Tubular diameter derivation tdia-elero-catalog-2026-p51-roltop-m; 2026-10-09]}^{[Elero manufacturer site (product catalog); 2026-10-02]}^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}^{[Elero manufacturer site (product catalog); 2026-10-02]}^{[Elero manufacturer site (product catalog); 2026-10-02]}^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}^{[Tubular diameter derivation tdia-elero-catalog-2026-p51-roltop-m; 2026-10-09]}^{[Elero manufacturer site (product catalog); 2026-10-02]}^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}^{[Elero manufacturer site (product catalog); 2026-10-02]}^{[Elero manufacturer site (product catalog); 2026-10-02]}

Same product type (tubular motor)
Used for Roller shutter (same)
Ø45 mm (same class)
Speed 14 rpm (same)
230 V (same)
Power supply AC mains (same)
Mains 50 Hz (same)
Limits: Electronic (same)
Torque 20 Nm is below the 30 Nm needed
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 RolTop/D+ M · 20 Nm · 14 rpm → Elero RolTop/D+ M · 30 Nm · 14 rpm

Not directly interchangeable

Same product type (tubular motor)
Used for Roller shutter (same)
Ø45 mm (same class)
Speed 14 rpm (same)
230 V (same)
Power supply AC mains (same)
Mains 50 Hz (same)
Limits: Electronic (same)
Oversized: 30 Nm (+50%) is more torque than needed — check that the tube, crown and end stops can take it
Control system not confirmed

Required changes / checks: Oversized: 30 Nm (+50%) is more torque than needed — check that the tube, crown and end stops can take it; 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 RolTop/D+ M · 30 Nm · 14 rpm	Elero RolTop/D+ M · 20 Nm · 14 rpm
Torque	30 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]}

Cross-brand alternatives

Wistar motor WSME50-LED-20/13: 20 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSME50-LED-20/17: 20 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Becker R20-17-EVO 20 R PLUS BT: 20 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]}
Wistar motor WSME50-LED-20/21: 20 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 120 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Becker R20-17-C01 PLUS: 20 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 R20-17-D01: 20 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 RolTop/D+ M · 30 Nm · 14 rpm: 230 V; Elero RolTop/D+ M · 20 Nm · 14 rpm: 230 V. Mains frequency — Elero RolTop/D+ M · 30 Nm · 14 rpm: 50 Hz; Elero RolTop/D+ M · 20 Nm · 14 rpm: 50 Hz. Power supply type — Elero RolTop/D+ M · 30 Nm · 14 rpm: AC mains; Elero RolTop/D+ M · 20 Nm · 14 rpm: AC mains.
Which tube diameters do they fit?: Motor diameter — Elero RolTop/D+ M · 30 Nm · 14 rpm: 45 mm; Elero RolTop/D+ M · 20 Nm · 14 rpm: 45 mm.
What torque and speed is each rated for?: Rated torque — Elero RolTop/D+ M · 30 Nm · 14 rpm: 30 Nm; Elero RolTop/D+ M · 20 Nm · 14 rpm: 20 Nm. Rated speed — Elero RolTop/D+ M · 30 Nm · 14 rpm: 14 rpm; Elero RolTop/D+ M · 20 Nm · 14 rpm: 14 rpm.
What protocols and control options does each support?: Limit setting — Elero RolTop/D+ M · 30 Nm · 14 rpm: Electronic; Elero RolTop/D+ M · 20 Nm · 14 rpm: Electronic.

Sources

↑Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title)elero.comRated voltage: Rated voltage (V): 1 ~ 230 [340430001] (p. 56)Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 33417, 33397, 33419, 33399, 33418, 33398, 33421, 33401, 33420, 33400, 33415, 33395, 33416, 33396, 33422, 33402, 33423, 33403, 33424, 33404
↑Tubular diameter derivation tdia-elero-catalog-2026-p51-roltop-melero.com[tdia-elero-catalog-2026-p51-roltop-m] Ø 45 mm from "RolTop/D+ M". 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: 54644, 54643
↑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: 44548, 44542, 44549, 44543, 44550, 44544, 44551, 44545

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Elero RolTop/D+ M · 30 Nm · 14 rpm vs Elero RolTop/D+ M · 20 Nm · 14 rpm