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Wistar motor WSER50 · 20 Nm · 28 rpm

Part no. WSER50-20/27

Also written as WSER502027

by Wistar motor

WSER50-20/27 is a tubular motor made by Wistar motor.

Sources: 2 manufacturer documents · Last verified 2026-10-07 · How we collect data →

Ø45 mm600 mm
Schematic generated by OpenAxia from published dimensions. Not to scale.

Overview

Key specs

Torque
20 Nm
Rated speed
28 rpm
Motor diameter
45 mm
Rated voltage
230 V
IP rating
IP44

Fit and application

Category
Tubular Motor

WSER50-20/27 is a tubular motor made by Wistar motor. Sourced specifications: torque 20 Nm; rated speed 28 rpm; motor diameter 45 mm; rated voltage 230 V. Among 1475 listed tubular motors products with a sourced torque, most values range from 2 to 140 Nm; this product's 20 Nm is in the middle half. Among 1280 listed tubular motors products with a sourced rated speed, most values range from 9 to 35 rpm; this product's 28 rpm is in the upper quartile.

Composed from 9 sourced facts
  • WSER50-20/27 — Product record
  • Wistar motor — Company record
  • Tubular motors — Category tree
  • Torque: 20 Nm — Wistar motor manufacturer site (product catalog)
  • Rated speed: 28 rpm — Wistar motor manufacturer site (product catalog)
  • Motor diameter: 45 mm — Wistar motor manufacturer site (product catalog)
  • Rated voltage: 230 V — Wistar motor manufacturer site (product catalog)
  • Among 1475 listed tubular motors products with a sourced torque, most values range from 2 to 140 Nm; this product's 20 Nm is in the middle half. — Catalogue statistics
  • Among 1280 listed tubular motors products with a sourced rated speed, most values range from 9 to 35 rpm; this product's 28 rpm is in the upper quartile. — Catalogue statistics

Specifications

Identity & lineage

Identity & lineage specifications
SpecificationValue
Series / product lineWSER50
Part number
WSER50-20/27
Show 7 fields not published by the manufacturer
Identity & lineage: fields not published
SpecificationValue
Variant suffix—
GTIN / EAN—
Lifecycle status (manufacturer)—
Replaces part number—
Replaces model—
White-label of—
Market variant—

Electrical

Electrical specifications
SpecificationValue
Rated voltage230 V
Mains frequency50 Hz
Power supply typeAC mains
Rated power input244 W
Rated current1.06 A
Show 11 fields not published by the manufacturer
Electrical: fields not published
SpecificationValue
Supply voltage (min)—
Supply voltage (max)—
Supply rating (as stated)—
Standby power—
Power factor (cos φ)—
Inrush current factor—
Protection class (electrical)—
Cable connection—
Cable type—
Cable brand—
Cable length—

Drive performance

Drive performance specifications
SpecificationValue
Rated torque20 Nm
Rated speed28 rpm
Short-time duty (S2)4 min
Show 6 fields not published by the manufacturer
Drive performance: fields not published
SpecificationValue
Peak torque—
Speed range (min)—
Speed range (max)—
Duty type—
Max load—
Rated life—

Dimensions & mounting

Dimensions & mounting specifications
SpecificationValue
Motor diameter45 mm
Overall length600 mm
Weight2.35 kg
Show 5 fields not published by the manufacturer
Dimensions & mounting: fields not published
SpecificationValue
Fits tube diameter—
Compatible tube profiles—
Motor head type—
Mounting side—
Max shade width—

Limits & protection

Limits & protection specifications
SpecificationValue
Limit settingElectronic
Show 6 fields not published by the manufacturer
Limits & protection: fields not published
SpecificationValue
Intermediate positions—
Obstacle detection—
Manual override—
Soft start / soft stop—
Thermal protection—
Noiseless soft brake—

Control & communication

Control & communication specifications
SpecificationValue
Max paired transmitters15 pcs
Show 10 fields not published by the manufacturer
Control & communication: fields not published
SpecificationValue
Control protocol—
Control interface (as stated)—
Radio frequency—
Modulation—
Radio range—
Two-way feedback—
Wired inputs—
Works with—
Sensor inputs—
Timer / astro—

Environment & protection

Environment & protection specifications
SpecificationValue
IP ratingIP44
Operating temp. (min)-10 °C
Operating temp. (max)55 °C
Show 4 fields not published by the manufacturer
Environment & protection: fields not published
SpecificationValue
Noise level—
Ambient humidity—
Storage temp. (min)—
Storage temp. (max)—

Application

Show 1 field not published by the manufacturer
Application: fields not published
SpecificationValue
Applications—

Compliance & declarations

Show 3 fields not published by the manufacturer
Compliance & declarations: fields not published
SpecificationValue
Marks stated by vendor—
Declared standards—
Carbon footprint (PEP/EPD)—

Appearance

Show 1 field not published by the manufacturer
Appearance: fields not published
SpecificationValue
Colour / finish—

Source: Wistar motor manufacturer site (Manufacturer-stated), Wistar motor PDF catalogue (Manufacturer-stated). Last checked 2026-10-07. All sources (2) · Learn more about this data

Documents

Cross-brand alternatives (spec-equivalent)

Comparable models from other brands
ModelBrandTorqueSpeedDiameterRated voltage
Becker EVO 20 R R20-17Becker20 Nm (same)—45 mm (same)230 V (same)
Becker R20-17-C01 PLUSBecker20 Nm (same)—45 mm (same)230 V (same)
Gaposa SILEO XQ50 · 15 Nm · 30 rpmGaposa15 Nm (−25%)30 rpm (+7%)45 mm (same)230 V (same)
Elero SunTop/Z M 386830001Elero18 Nm (−10%)23 rpm (−18%)—230 V (same)
Elero SunTop/Z M 396830001Elero18 Nm (−10%)23 rpm (−18%)—230 V (same)

Matched on torque, speed and diameter within 25%. Methodology →

Same brand and category
ModelTorqueSpeedDiameterRated voltage
Wistar motor WSERD30-T · 0.7 Nm · 35 rpm0.7 Nm (−97%)35 rpm (+25%)25 mm (−44%)24 V (−90%)
Wistar motor WSERD30-B · 0.7 Nm · 20 rpm0.7 Nm (−97%)20 rpm (−29%)25 mm (−44%)—
Wistar motor WSERD30-L · 1.2 Nm · 35 rpm1.2 Nm (−94%)35 rpm (+25%)25 mm (−44%)12 V (−95%)
Wistar motor WSERD30-T · 1.2 Nm · 35 rpm1.2 Nm (−94%)35 rpm (+25%)25 mm (−44%)12 V (−95%)
Wistar motor WSERD30-B · 1.2 Nm · 35 rpm1.2 Nm (−94%)35 rpm (+25%)25 mm (−44%)11.1 V (−95%)
Wistar motor WSERD30-L · 1.5 Nm · 20 rpm1.5 Nm (−93%)20 rpm (−29%)25 mm (−44%)12 V (−95%)
Wistar motor WSERD30-T · 1.5 Nm1.5 Nm (−93%)—25 mm (−44%)12 V (−95%)
Wistar motor WSERD30-B · 1.5 Nm · 20 rpm1.5 Nm (−93%)20 rpm (−29%)25 mm (−44%)11.1 V (−95%)
Other sizes in this series
ModelTorqueSpeedDiameterRated voltage
Wistar motor WSER50 · 10 Nm · 13 rpm10 Nm (−50%)13 rpm (−54%)45 mm (same)230 V (same)
Wistar motor WSER50 · 10 Nm · 17 rpm10 Nm (−50%)17 rpm (−39%)45 mm (same)230 V (same)
Wistar motor WSER50 · 10 Nm · 28 rpm10 Nm (−50%)28 rpm (same)45 mm (same)230 V (same)
Wistar motor WSER50 · 10 Nm · 21 rpm10 Nm (−50%)21 rpm (−25%)45 mm (same)230 V (same)
Wistar motor WSER50 · 15 Nm · 13 rpm15 Nm (−25%)13 rpm (−54%)45 mm (same)230 V (same)
Wistar motor WSER50 · 15 Nm · 17 rpm15 Nm (−25%)17 rpm (−39%)45 mm (same)230 V (same)
Wistar motor WSER50 · 15 Nm · 28 rpm15 Nm (−25%)28 rpm (same)45 mm (same)230 V (same)
Wistar motor WSER50 · 20 Nm · 13 rpm20 Nm (same)13 rpm (−54%)45 mm (same)230 V (same)

Sources

  1. ↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSER50Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: Series / product line, Rated voltage, Mains frequency, Power supply type, Rated power input, Rated current, Rated torque, Rated speed, Short-time duty (S2), Motor diameter, Overall length, Weight, Limit setting
  2. ↑Wistar motor PDF catalogue WSER40-WSER50-WSER60wistarmotor.comMax paired transmitters: 最多可存储遥控器15个: 15 (p. 1)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: Max paired transmitters, IP rating, Operating temp. (min), Operating temp. (max)

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Compiled from manufacturer publications and public registries. Confirm critical specifications with the manufacturer before ordering.

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