What supply voltage and frequency does each use?

Rated voltage — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 12 V; Wistar motor WSERD40-L · 5 Nm · 28 rpm: 12 V. Power supply type — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: DC; Wistar motor WSERD40-L · 5 Nm · 28 rpm: DC.

Which tube diameters do they fit?

Motor diameter — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 35 mm; Wistar motor WSERD40-L · 5 Nm · 28 rpm: 35 mm.

Which durability indicators does each publish?

OpenAxia does not rate reliability; the published indicators are: IP rating — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: IP22; Wistar motor WSERD40-L · 5 Nm · 28 rpm: IP22.

Wistar motor WSERD40-L: 2.5 Nm · 35 rpm vs 5 Nm

Rated current — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 4 A^{[1; 2026-10-01]}; Wistar motor WSERD40-L · 5 Nm · 28 rpm: 3.5 A^{[1; 2026-10-01]}.

Rated torque — Wistar motor WSERD40-L · 2.5 Nm^{[1; 2026-10-01]} · 35 rpm: 2.5 Nm^{[1; 2026-10-01]}; Wistar motor WSERD40-L · 5 Nm · 28 rpm: 5 Nm.

Rated speed — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm^{[1; 2026-10-01]}: 35 rpm; Wistar motor WSERD40-L · 5 Nm · 28 rpm^{[1; 2026-10-01]}: 28 rpm.

Last verified: 2026-10-06

When to choose Wistar motor WSERD40-L · 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-L · 5 Nm · 28 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 5 Nm^{[1; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: Not published. Wistar motor WSERD40-L · 5 Nm · 28 rpm: Not published.

Rated life — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: Not published. Wistar motor WSERD40-L · 5 Nm · 28 rpm: Not published.

Thermal protection — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: Not published. Wistar motor WSERD40-L · 5 Nm · 28 rpm: Not published.

IP rating — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: IP22^{[2; 2026-10-06]}; Wistar motor WSERD40-L · 5 Nm · 28 rpm: IP22^{[2; 2026-10-06]}.

Comparison table
Property	Wistar motor WSERD40-L · 2.5 Nm · 35 rpmWistar motorWSERD40-L-2.5/35	Wistar motor WSERD40-L · 5 Nm · 28 rpmWistar motorWSERD40-L-5/28
Series & variant axes
Series	WSERD40-L	WSERD40-L
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 input	42 W^{[1; 2026-10-01]}	42 W^{[1; 2026-10-01]}
Rated currentDiffers: 4 A^{[1; 2026-10-01]} vs 3.5 A^{[1; 2026-10-01]}	4 A^{[1; 2026-10-01]}	3.5 A^{[1; 2026-10-01]}
Drive performance
Rated torqueDiffers: 2.5 Nm^{[1; 2026-10-01]} vs 5 Nm^{[1; 2026-10-01]}	2.5 Nm^{[1; 2026-10-01]}	5 Nm^{[1; 2026-10-01]}
Rated speedDiffers: 35 rpm^{[1; 2026-10-01]} vs 28 rpm^{[1; 2026-10-01]}	35 rpm^{[1; 2026-10-01]}	28 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	1.4 kg^{[1; 2026-10-01]}	1.4 kg^{[1; 2026-10-01]}
Control & communication
Radio frequency	433.92 MHz^{[2; 2026-10-06]}	433.92 MHz^{[2; 2026-10-06]}
Max paired transmitters	15 pcs^{[2; 2026-10-06]}	15 pcs^{[2; 2026-10-06]}
Environment & protection
IP rating	IP22^{[2; 2026-10-06]}	IP22^{[2; 2026-10-06]}
Operating temp. (min)	-15 °C^{[2; 2026-10-06]}	-15 °C^{[2; 2026-10-06]}
Operating temp. (max)	65 °C^{[2; 2026-10-06]}	65 °C^{[2; 2026-10-06]}
View all 4 variants
Documents	Request datasheet	Request datasheet

Relations and interchangeability

Wistar motor WSERD40-L · 2.5 Nm · 35 rpm → Wistar motor WSERD40-L · 5 Nm · 28 rpm

Not directly interchangeable

Same product type (tubular motor)
Ø35 mm (same class)
12 V (same)
Power supply DC (same)
Length 520 mm
Torque 5 Nm is far above 2.5 Nm
Opens/closes slower (≈20%)
Control system not confirmed

Required changes / checks: Opens/closes slower (≈20%); 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-L · 5 Nm · 28 rpm → Wistar motor WSERD40-L · 2.5 Nm · 35 rpm

Not directly interchangeable

Same product type (tubular motor)
Ø35 mm (same class)
12 V (same)
Power supply DC (same)
Length 520 mm
Torque 2.5 Nm is below the 5 Nm needed
Opens/closes faster (≈25%)
Control system not confirmed

Required changes / checks: Opens/closes faster (≈25%); 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

A-OK AM35 AC Input Mechanical Limit Tubular Motor: 3 Nm^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}, Ø 35 mm^{[A-OK Motor manufacturer site (product catalog); 2026-10-05]}, 230 V^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}
A-OK AM35 AC Input Mechanical Limit Radio Tubular Motor: 3 Nm^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}, Ø 35 mm^{[Tubular diameter derivation tdia-archived-page-motor-diameter-v1; 2026-10-09]}, 230 V^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}
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]}
Gaposa SILEO XQ4EX333: 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]}
Gaposa SILEO XQ4P333: 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-L · 2.5 Nm · 35 rpm: Limit range — Not yet collected
Wistar motor WSERD40-L · 5 Nm · 28 rpm: Limit range — Not yet collected

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 12 V; Wistar motor WSERD40-L · 5 Nm · 28 rpm: 12 V. Power supply type — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: DC; Wistar motor WSERD40-L · 5 Nm · 28 rpm: DC.
Which tube diameters do they fit?: Motor diameter — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 35 mm; Wistar motor WSERD40-L · 5 Nm · 28 rpm: 35 mm.
What torque and speed is each rated for?: Rated torque — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 2.5 Nm; Wistar motor WSERD40-L · 5 Nm · 28 rpm: 5 Nm. Rated speed — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: 35 rpm; Wistar motor WSERD40-L · 5 Nm · 28 rpm: 28 rpm.
Which durability indicators does each publish?: OpenAxia does not rate reliability; the published indicators are: IP rating — Wistar motor WSERD40-L · 2.5 Nm · 35 rpm: IP22; Wistar motor WSERD40-L · 5 Nm · 28 rpm: IP22.

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSERD40-LManufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 15540, 15553, 15532, 15549, 15521, 15544, 15530, 15548, 15534, 15550, 15517, 15542, 15519, 15543, 15525, 15546, 15536, 15551, 15538, 15552
↑Wistar motor PDF catalogue WSERD40-Lwistarmotor.comRadio frequency: Received frequency: 433.92MHz (p. 1)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 50016, 50021, 50017, 50022, 50015, 50020, 50018, 50023, 50019, 50024

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Wistar motor WSERD40-L · 2.5 Nm · 35 rpm vs Wistar motor WSERD40-L · 5 Nm · 28 rpm