What supply voltage and frequency does each use?

Rated voltage — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: 12 V; Wistar motor WSERD40-T · 2 Nm · 55 rpm: 12 V. Power supply type — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: DC; Wistar motor WSERD40-T · 2 Nm · 55 rpm: DC.

Which tube diameters do they fit?

Motor diameter — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: 35 mm; Wistar motor WSERD40-T · 2 Nm · 55 rpm: 35 mm.

What torque and speed is each rated for?

Rated torque — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: 2.5 Nm; Wistar motor WSERD40-T · 2 Nm · 55 rpm: 2 Nm. Rated speed — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: 35 rpm; Wistar motor WSERD40-T · 2 Nm · 55 rpm: 55 rpm.

Which durability indicators does each publish?

OpenAxia does not rate reliability; the published indicators are: IP rating — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: IP44; Wistar motor WSERD40-T · 2 Nm · 55 rpm: IP44.

Wistar motor WSERD40-T: 2.5 Nm · 35 rpm vs 2 Nm

Rated power input — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: 42 W^{[1; 2026-10-01]}; Wistar motor WSERD40-T · 2 Nm · 55 rpm: 48 W^{[1; 2026-10-01]}.

Rated current — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: 3.5 A^{[1; 2026-10-01]}; Wistar motor WSERD40-T · 2 Nm · 55 rpm: 4 A^{[1; 2026-10-01]}.

Rated torque — Wistar motor WSERD40-T · 2.5 Nm^{[1; 2026-10-01]} · 35 rpm: 2.5 Nm; Wistar motor WSERD40-T · 2 Nm^{[1; 2026-10-01]} · 55 rpm: 2 Nm.

Last verified: 2026-10-01

When to choose Wistar motor WSERD40-T · 2.5 Nm · 35 rpm

For a supply rated 12 V^{[1; 2026-10-01]}.
For the stated supply type: DC^{[1; 2026-10-01]}.
For the stated diameter: 35 mm^{[1; 2026-10-01]}.
For a rated torque of 2.5 Nm^{[1; 2026-10-01]}.

When to choose Wistar motor WSERD40-T · 2 Nm · 55 rpm

For a supply rated 12 V^{[1; 2026-10-01]}.
For the stated supply type: DC^{[1; 2026-10-01]}.
For the stated diameter: 35 mm^{[1; 2026-10-01]}.
For a rated torque of 2 Nm^{[1; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: Not published. Wistar motor WSERD40-T · 2 Nm · 55 rpm: Not published.

Rated life — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: Not published. Wistar motor WSERD40-T · 2 Nm · 55 rpm: Not published.

Thermal protection — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: Not published. Wistar motor WSERD40-T · 2 Nm · 55 rpm: Not published.

IP rating — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: IP44^{[1; 2026-10-01]}; Wistar motor WSERD40-T · 2 Nm · 55 rpm: IP44^{[1; 2026-10-01]}.

Comparison table
Property	Wistar motor WSERD40-T · 2.5 Nm · 35 rpmWistar motorWSERD40-T-2.5/35	Wistar motor WSERD40-T · 2 Nm · 55 rpmWistar motorWSERD40-T-2/55
Series & variant axes
Series	WSERD40-T	WSERD40-T
Electrical
Rated voltage	12 V^{[1; 2026-10-01]}	12 V^{[1; 2026-10-01]}
Power supply type	DC^{[1; 2026-10-01]}	DC^{[1; 2026-10-01]}
Rated power inputDiffers: 42 W^{[1; 2026-10-01]} vs 48 W^{[1; 2026-10-01]}	42 W^{[1; 2026-10-01]}	48 W^{[1; 2026-10-01]}
Rated currentDiffers: 3.5 A^{[1; 2026-10-01]} vs 4 A^{[1; 2026-10-01]}	3.5 A^{[1; 2026-10-01]}	4 A^{[1; 2026-10-01]}
Drive performance
Rated torqueDiffers: 2.5 Nm^{[1; 2026-10-01]} vs 2 Nm^{[1; 2026-10-01]}	2.5 Nm^{[1; 2026-10-01]}	2 Nm^{[1; 2026-10-01]}
Rated speedDiffers: 35 rpm^{[1; 2026-10-01]} vs 55 rpm^{[1; 2026-10-01]}	35 rpm^{[1; 2026-10-01]}	55 rpm^{[1; 2026-10-01]}
Dimensions & mounting
Motor diameter	35 mm^{[1; 2026-10-01]}	35 mm^{[1; 2026-10-01]}
Overall length	520 mm^{[1; 2026-10-01]}	520 mm^{[1; 2026-10-01]}
Weight	1.241 kg^{[1; 2026-10-01]}	1.241 kg^{[1; 2026-10-01]}
Environment & protection
IP rating	IP44^{[1; 2026-10-01]}	IP44^{[1; 2026-10-01]}
View all 5 variants
Documents	Request datasheet	Request datasheet

Relations and interchangeability

Wistar motor WSERD40-T · 2.5 Nm · 35 rpm → Wistar motor WSERD40-T · 2 Nm · 55 rpm

Not directly interchangeable

Same product type (tubular motor)
Ø35 mm (same class)
12 V (same)
Power supply DC (same)
Length 520 mm
Protection IP44
Torque 2 Nm is below the 2.5 Nm needed
Speed 55 rpm vs 35 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

Wistar motor WSERD40-T · 2 Nm · 55 rpm → Wistar motor WSERD40-T · 2.5 Nm · 35 rpm

Not directly interchangeable

Same product type (tubular motor)
Ø35 mm (same class)
Torque 2.5 Nm (+25%)
12 V (same)
Power supply DC (same)
Length 520 mm
Protection IP44
Speed 35 rpm vs 55 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

Cross-brand alternatives

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Becker P3-30-S12: 3 Nm^{[Becker-Antriebe GmbH PDF catalogue Gesamtkatalog__4995_800_000_0__Einzelseiten_D.pdf; 2026-10-03]}, Ø 35 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]}
Gaposa SILEO XQ4E333: 3 Nm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Gaposa manufacturer site (product catalog); 2026-10-01]}

Data gaps

Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: Limit range — Not yet collected
Wistar motor WSERD40-T · 2 Nm · 55 rpm: Limit range — Not yet collected

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: 12 V; Wistar motor WSERD40-T · 2 Nm · 55 rpm: 12 V. Power supply type — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: DC; Wistar motor WSERD40-T · 2 Nm · 55 rpm: DC.
Which tube diameters do they fit?: Motor diameter — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: 35 mm; Wistar motor WSERD40-T · 2 Nm · 55 rpm: 35 mm.
What torque and speed is each rated for?: Rated torque — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: 2.5 Nm; Wistar motor WSERD40-T · 2 Nm · 55 rpm: 2 Nm. Rated speed — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: 35 rpm; Wistar motor WSERD40-T · 2 Nm · 55 rpm: 55 rpm.
Which durability indicators does each publish?: OpenAxia does not rate reliability; the published indicators are: IP rating — Wistar motor WSERD40-T · 2.5 Nm · 35 rpm: IP44; Wistar motor WSERD40-T · 2 Nm · 55 rpm: IP44.

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSERD40-TManufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 15449, 15424, 15441, 15420, 15430, 15415, 15439, 15419, 15443, 15421, 15427, 15413, 15429, 15414, 15435, 15417, 15445, 15422, 15447, 15423, 15433, 15416

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Wistar motor WSERD40-T · 2.5 Nm · 35 rpm vs Wistar motor WSERD40-T · 2 Nm · 55 rpm