What supply voltage and frequency does each use?

Rated voltage — Elero RolTop M free travel /-K M30: 230 V; Elero RolTop M free travel /-K M40: 230 V. Mains frequency — Elero RolTop M free travel /-K M30: 50 Hz; Elero RolTop M free travel /-K M40: 50 Hz. Power supply type — Elero RolTop M free travel /-K M30: AC mains; Elero RolTop M free travel /-K M40: AC mains.

Which tube diameters do they fit?

Motor diameter — Elero RolTop M free travel /-K M30: 45 mm; Elero RolTop M free travel /-K M40: 45 mm.

What torque and speed is each rated for?

Rated torque — Elero RolTop M free travel /-K M30: 30 Nm; Elero RolTop M free travel /-K M40: 40 Nm. Rated speed — Elero RolTop M free travel /-K M30: 14 rpm; Elero RolTop M free travel /-K M40: 14 rpm.

Which durability indicators does each publish?

OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Elero RolTop M free travel /-K M30: 4 min; Elero RolTop M free travel /-K M40: 5 min.

Elero RolTop M free travel /-K: M30 vs M40 Compared

Rated power input — Elero RolTop M free travel /-K M30: 200 W^{[1; 2026-10-01]}; Elero RolTop M free travel /-K M40: 270 W^{[1; 2026-10-01]}.

Rated current — Elero RolTop M free travel /-K M30: 0.9 A^{[1; 2026-10-01]}; Elero RolTop M free travel /-K M40: 1.2 A^{[1; 2026-10-01]}.

Rated torque — Elero RolTop M free travel /-K M30: 30 Nm^{[1; 2026-10-01]}; Elero RolTop M free travel /-K M40: 40 Nm^{[1; 2026-10-01]}.

Last verified: 2026-10-09

When to choose Elero RolTop M free travel /-K M30

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 M free travel /-K M40

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 40 Nm^{[1; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Elero RolTop M free travel /-K M30: 4 min^{[1; 2026-10-01]}; Elero RolTop M free travel /-K M40: 5 min^{[1; 2026-10-01]}.

Comparison table
Property	Elero RolTop M free travel /-K M30Elero342410007	Elero RolTop M free travel /-K M40Elero342510007
Series & variant axes
Series	RolTop M free travel	RolTop M free travel
TorqueDiffers: 30 Nm vs 40 Nm	30 Nm	40 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 inputDiffers: 200 W^{[1; 2026-10-01]} vs 270 W^{[1; 2026-10-01]}	200 W^{[1; 2026-10-01]}	270 W^{[1; 2026-10-01]}
Rated currentDiffers: 0.9 A^{[1; 2026-10-01]} vs 1.2 A^{[1; 2026-10-01]}	0.9 A^{[1; 2026-10-01]}	1.2 A^{[1; 2026-10-01]}
Drive performance
Rated torqueDiffers: 30 Nm^{[1; 2026-10-01]} vs 40 Nm^{[1; 2026-10-01]}	30 Nm^{[1; 2026-10-01]}	40 Nm^{[1; 2026-10-01]}
Rated speed	14 rpm^{[1; 2026-10-01]}	14 rpm^{[1; 2026-10-01]}
Short-time duty (S2)Differs: 4 min^{[1; 2026-10-01]} vs 5 min^{[1; 2026-10-01]}	4 min^{[1; 2026-10-01]}	5 min^{[1; 2026-10-01]}Highest stated
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]}
WeightDiffers: 2.3 kg^{[1; 2026-10-01]} vs 2.6 kg^{[1; 2026-10-01]}	2.3 kg^{[1; 2026-10-01]}	2.6 kg^{[1; 2026-10-01]}
View all 5 variants
Documents	Request datasheet	Request datasheet

Relations and interchangeability

Elero RolTop M free travel /-K M30 → Elero RolTop M free travel /-K M40

Not directly interchangeable

Same product type (tubular motor)
Ø45 mm (same class)
Speed 14 rpm (same)
230 V (same)
Power supply AC mains (same)
Mains 50 Hz (same)
Oversized: 40 Nm (+33%) is more torque than needed — check that the tube, crown and end stops can take it
Control system not confirmed

Required changes / checks: Oversized: 40 Nm (+33%) 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

Elero RolTop M free travel /-K M40 → Elero RolTop M free travel /-K M30

Not directly interchangeable

Same product type (tubular motor)
Ø45 mm (same class)
Speed 14 rpm (same)
230 V (same)
Power supply AC mains (same)
Mains 50 Hz (same)
Torque 30 Nm is below the 40 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

Same-series variants

Variant axis	Elero RolTop M free travel /-K M30	Elero RolTop M free travel /-K M40
Torque	30 Nm^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}	40 Nm^{[Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title); 2026-10-01]}

Cross-brand alternatives

Wistar motor WSME50-LED-30/13: 30 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-30/17: 30 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-30/16: 30 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 R30-17-C01 PLUS: 30 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 R30-17-D01: 30 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 R30-17-E01: 30 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]}

Data gaps

Elero RolTop M free travel /-K M30: Series / product line — Not yet collected
Elero RolTop M free travel /-K M40: Series / product line — Not yet collected
Elero RolTop M free travel /-K M30: Standby power — Not yet collected
Elero RolTop M free travel /-K M40: Standby power — Not yet collected
Elero RolTop M free travel /-K M30: Cable connection — Not yet collected
Elero RolTop M free travel /-K M40: Cable connection — Not yet collected
Elero RolTop M free travel /-K M30: Cable length — Not yet collected
Elero RolTop M free travel /-K M40: Cable length — Not yet collected
Elero RolTop M free travel /-K M30: Speed range (min) — Not yet collected
Elero RolTop M free travel /-K M40: Speed range (min) — Not yet collected
Elero RolTop M free travel /-K M30: Fits tube diameter — Not yet collected
Elero RolTop M free travel /-K M40: Fits tube diameter — Not yet collected
Elero RolTop M free travel /-K M30: Overall length — Not yet collected
Elero RolTop M free travel /-K M40: Overall length — Not yet collected
Elero RolTop M free travel /-K M30: Limit setting — Not yet collected
Elero RolTop M free travel /-K M40: Limit setting — Not yet collected
Elero RolTop M free travel /-K M30: Limit range — Not yet collected
Elero RolTop M free travel /-K M40: Limit range — Not yet collected
Elero RolTop M free travel /-K M30: Control protocol — Not yet collected
Elero RolTop M free travel /-K M40: Control protocol — Not yet collected
Elero RolTop M free travel /-K M30: Radio frequency — Not yet collected
Elero RolTop M free travel /-K M40: Radio frequency — Not yet collected
Elero RolTop M free travel /-K M30: Two-way feedback — Not yet collected
Elero RolTop M free travel /-K M40: Two-way feedback — Not yet collected
Elero RolTop M free travel /-K M30: IP rating — Not yet collected
Elero RolTop M free travel /-K M40: IP rating — Not yet collected
Elero RolTop M free travel /-K M30: Operating temp. (min) — Not yet collected
Elero RolTop M free travel /-K M40: Operating temp. (min) — Not yet collected
Elero RolTop M free travel /-K M30: Operating temp. (max) — Not yet collected
Elero RolTop M free travel /-K M40: Operating temp. (max) — Not yet collected
Elero RolTop M free travel /-K M30: Noise level — Not yet collected
Elero RolTop M free travel /-K M40: Noise level — Not yet collected
Elero RolTop M free travel /-K M30: Applications — Not yet collected
Elero RolTop M free travel /-K M40: Applications — Not yet collected
Elero RolTop M free travel /-K M30: Marks stated by vendor — Not yet collected
Elero RolTop M free travel /-K M40: Marks stated by vendor — Not yet collected

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Elero RolTop M free travel /-K M30: 230 V; Elero RolTop M free travel /-K M40: 230 V. Mains frequency — Elero RolTop M free travel /-K M30: 50 Hz; Elero RolTop M free travel /-K M40: 50 Hz. Power supply type — Elero RolTop M free travel /-K M30: AC mains; Elero RolTop M free travel /-K M40: AC mains.
Which tube diameters do they fit?: Motor diameter — Elero RolTop M free travel /-K M30: 45 mm; Elero RolTop M free travel /-K M40: 45 mm.
What torque and speed is each rated for?: Rated torque — Elero RolTop M free travel /-K M30: 30 Nm; Elero RolTop M free travel /-K M40: 40 Nm. Rated speed — Elero RolTop M free travel /-K M30: 14 rpm; Elero RolTop M free travel /-K M40: 14 rpm.
Which durability indicators does each publish?: OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Elero RolTop M free travel /-K M30: 4 min; Elero RolTop M free travel /-K M40: 5 min.

Sources

↑Elero GmbH PDF catalogue elero_Catalog_2026_oP_08-26_EN.pdf (Title)elero.comRated voltage: Rated voltage (V): 1 ~ 230 [342410007] (p. 55)Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 33277, 33307, 33279, 33309, 33278, 33308, 33281, 33311, 33280, 33310, 33275, 33305, 33276, 33306, 33282, 33312, 33283, 33313, 33284, 33314
↑Tubular diameter derivation tdia-elero-catalog-2026-p51-roltop-melero.com[tdia-elero-catalog-2026-p51-roltop-m] Ø 45 mm from "RolTop M free travel". 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: 54713, 54714

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Elero RolTop M free travel /-K M30 vs Elero RolTop M free travel /-K M40