What supply voltage and frequency does each use?

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

What torque and speed is each rated for?

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

What protocols and control options does each support?

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

Which durability indicators does each publish?

OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Elero RolTop/D+ NHK · 20 Nm · 14 rpm: 4 min; Elero RolTop/D+ NHK · 30 Nm · 14 rpm: 4 min.

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

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

Weight — Elero RolTop/D+ NHK · 20 Nm · 14 rpm: 2.9 kg^{[1; 2026-10-01]}; Elero RolTop/D+ NHK · 30 Nm · 14 rpm: 3.1 kg^{[1; 2026-10-01]}.

Last verified: 2026-10-01

When to choose Elero RolTop/D+ NHK · 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 a rated torque of 20 Nm^{[1; 2026-10-01]}.
For a rated speed of 14 rpm^{[1; 2026-10-01]}.

When to choose Elero RolTop/D+ NHK · 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 a rated torque of 30 Nm^{[1; 2026-10-01]}.
For a rated speed of 14 rpm^{[1; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Elero RolTop/D+ NHK · 20 Nm · 14 rpm: 4 min^{[1; 2026-10-01]}; Elero RolTop/D+ NHK · 30 Nm · 14 rpm: 4 min^{[1; 2026-10-01]}.

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

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

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

Comparison table
Property	Elero RolTop/D+ NHK · 20 Nm · 14 rpmElero34 123.0001	Elero RolTop/D+ NHK · 30 Nm · 14 rpmElero34 133.0001
Series & variant axes
Series	RolTop/D+ NHK	RolTop/D+ NHK
TorqueDiffers: 20 Nm vs 30 Nm	20 Nm	30 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: 20 Nm^{[1; 2026-10-01]} vs 30 Nm^{[1; 2026-10-01]}	20 Nm^{[1; 2026-10-01]}	30 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
Fits tube diameter	≥ 50 mm^{[2; 2026-10-01]}	≥ 50 mm^{[2; 2026-10-01]}
WeightDiffers: 2.9 kg^{[1; 2026-10-01]} vs 3.1 kg^{[1; 2026-10-01]}	2.9 kg^{[1; 2026-10-01]}	3.1 kg^{[1; 2026-10-01]}
Limits & protection
Limit setting	Electronic^{[2; 2026-10-01]}	Electronic^{[2; 2026-10-01]}
Control & communication
Control interface (as stated)	Hardwired^{[2; 2026-10-01]}	Hardwired^{[2; 2026-10-01]}
Application
Applications	Roller shutter^{[2; 2026-10-01]}	Roller shutter^{[2; 2026-10-01]}
View all 4 variants
Documents	Request datasheet	Request datasheet

Same-series variants

Variant axis	Elero RolTop/D+ NHK · 20 Nm · 14 rpm	Elero RolTop/D+ NHK · 30 Nm · 14 rpm
Torque	20 Nm^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}	30 Nm^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Elero RolTop/D+ NHK · 20 Nm · 14 rpm: 230 V; Elero RolTop/D+ NHK · 30 Nm · 14 rpm: 230 V. Mains frequency — Elero RolTop/D+ NHK · 20 Nm · 14 rpm: 50 Hz; Elero RolTop/D+ NHK · 30 Nm · 14 rpm: 50 Hz. Power supply type — Elero RolTop/D+ NHK · 20 Nm · 14 rpm: AC mains; Elero RolTop/D+ NHK · 30 Nm · 14 rpm: AC mains.
What torque and speed is each rated for?: Rated torque — Elero RolTop/D+ NHK · 20 Nm · 14 rpm: 20 Nm; Elero RolTop/D+ NHK · 30 Nm · 14 rpm: 30 Nm. Rated speed — Elero RolTop/D+ NHK · 20 Nm · 14 rpm: 14 rpm; Elero RolTop/D+ NHK · 30 Nm · 14 rpm: 14 rpm.
What protocols and control options does each support?: Limit setting — Elero RolTop/D+ NHK · 20 Nm · 14 rpm: Electronic; Elero RolTop/D+ NHK · 30 Nm · 14 rpm: Electronic.
Which durability indicators does each publish?: OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Elero RolTop/D+ NHK · 20 Nm · 14 rpm: 4 min; Elero RolTop/D+ NHK · 30 Nm · 14 rpm: 4 min.

Sources

↑Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title)elero.comRated voltage: Rated voltage (V): 1 ~ 230 [341230001] (p. 57)Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 33527, 33537, 33529, 33539, 33528, 33538, 33531, 33541, 33530, 33540, 33525, 33535, 33526, 33536, 33532, 33542, 33533, 33543, 33534, 33544
↑Elero manufacturer site (product catalog)elero.comFits tube (min.): Shaft size (mm) from 50Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-09-23 · Public web pageUsed for: 26730, 26734, 26729, 26733, 26727, 26731, 26728, 26732

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