What supply voltage and frequency does each use?

Rated voltage — Wistar motor WSEC50 · 20 Nm · 28 rpm: 230 V; Wistar motor WSEC50 · 20 Nm · 17 rpm: 230 V. Mains frequency — Wistar motor WSEC50 · 20 Nm · 28 rpm: 50 Hz; Wistar motor WSEC50 · 20 Nm · 17 rpm: 50 Hz. Power supply type — Wistar motor WSEC50 · 20 Nm · 28 rpm: AC mains; Wistar motor WSEC50 · 20 Nm · 17 rpm: AC mains.

Which tube diameters do they fit?

Motor diameter — Wistar motor WSEC50 · 20 Nm · 28 rpm: 45 mm; Wistar motor WSEC50 · 20 Nm · 17 rpm: 45 mm.

What torque and speed is each rated for?

Rated torque — Wistar motor WSEC50 · 20 Nm · 28 rpm: 20 Nm; Wistar motor WSEC50 · 20 Nm · 17 rpm: 20 Nm. Rated speed — Wistar motor WSEC50 · 20 Nm · 28 rpm: 28 rpm; Wistar motor WSEC50 · 20 Nm · 17 rpm: 17 rpm.

What protocols and control options does each support?

Limit setting — Wistar motor WSEC50 · 20 Nm · 28 rpm: Mechanical; Wistar motor WSEC50 · 20 Nm · 17 rpm: Mechanical.

Wistar motor WSEC50 · 20 Nm: 28 rpm vs 17 rpm Compared

Rated power input — Wistar motor WSEC50 · 20 Nm · 28 rpm: 244 W^{[1; 2026-10-01]}; Wistar motor WSEC50 · 20 Nm · 17 rpm: 203 W^{[1; 2026-10-01]}.

Rated current — Wistar motor WSEC50 · 20 Nm · 28 rpm: 1.06 A^{[1; 2026-10-01]}; Wistar motor WSEC50 · 20 Nm · 17 rpm: 0.84 A^{[1; 2026-10-01]}.

Rated speed — Wistar motor WSEC50 · 20 Nm · 28 rpm^{[1; 2026-10-01]}: 28 rpm; Wistar motor WSEC50 · 20 Nm · 17 rpm^{[1; 2026-10-01]}: 17 rpm.

Last verified: 2026-10-06

When to choose Wistar motor WSEC50 · 20 Nm · 28 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 the stated diameter: 45 mm^{[1; 2026-10-01]}.
For a rated torque of 20 Nm^{[1; 2026-10-01]}.

When to choose Wistar motor WSEC50 · 20 Nm · 17 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 the stated diameter: 45 mm^{[1; 2026-10-01]}.
For a rated torque of 20 Nm^{[1; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Wistar motor WSEC50 · 20 Nm · 28 rpm: 4 min^{[1; 2026-10-01]}; Wistar motor WSEC50 · 20 Nm · 17 rpm: 4 min^{[1; 2026-10-01]}.

Rated life — Wistar motor WSEC50 · 20 Nm · 28 rpm: Not published. Wistar motor WSEC50 · 20 Nm · 17 rpm: Not published.

Thermal protection — Wistar motor WSEC50 · 20 Nm · 28 rpm: Not published. Wistar motor WSEC50 · 20 Nm · 17 rpm: Not published.

IP rating — Wistar motor WSEC50 · 20 Nm · 28 rpm: IP44^{[2; 2026-10-06]}; Wistar motor WSEC50 · 20 Nm · 17 rpm: IP44^{[2; 2026-10-06]}.

Comparison table
Property	Wistar motor WSEC50 · 20 Nm · 28 rpmWistar motorWSEC50-20/27	Wistar motor WSEC50 · 20 Nm · 17 rpmWistar motorWSEC50-20/17
Series & variant axes
Series	WSEC50	WSEC50
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: 244 W^{[1; 2026-10-01]} vs 203 W^{[1; 2026-10-01]}	244 W^{[1; 2026-10-01]}	203 W^{[1; 2026-10-01]}
Rated currentDiffers: 1.06 A^{[1; 2026-10-01]} vs 0.84 A^{[1; 2026-10-01]}	1.06 A^{[1; 2026-10-01]}	0.84 A^{[1; 2026-10-01]}
Drive performance
Rated torque	20 Nm^{[1; 2026-10-01]}	20 Nm^{[1; 2026-10-01]}
Rated speedDiffers: 28 rpm^{[1; 2026-10-01]} vs 17 rpm^{[1; 2026-10-01]}	28 rpm^{[1; 2026-10-01]}	17 rpm^{[1; 2026-10-01]}
Short-time duty (S2)	4 min^{[1; 2026-10-01]}	4 min^{[1; 2026-10-01]}
Dimensions & mounting
Motor diameter	45 mm^{[1; 2026-10-01]}	45 mm^{[1; 2026-10-01]}
Overall lengthDiffers: 600 mm^{[1; 2026-10-01]} vs 570 mm^{[1; 2026-10-01]}	600 mm^{[1; 2026-10-01]}	570 mm^{[1; 2026-10-01]}
Weight	2.1 kg^{[1; 2026-10-01]}	2.1 kg^{[1; 2026-10-01]}
Limits & protection
Limit setting	Mechanical^{[1; 2026-10-01]}	Mechanical^{[1; 2026-10-01]}
Environment & protection
IP rating	IP44^{[2; 2026-10-06]}	IP44^{[2; 2026-10-06]}
View all 29 variants
Documents	Request datasheet	Request datasheet

Relations and interchangeability

Wistar motor WSEC50 · 20 Nm · 28 rpm → Wistar motor WSEC50 · 20 Nm · 17 rpm

Not directly interchangeable

Same product type (tubular motor)
Ø45 mm (same class)
Torque 20 Nm (same)
230 V (same)
Power supply AC mains (same)
Mains 50 Hz (same)
Limits: Mechanical (same)
Length 570 mm
Protection IP44
Speed 17 rpm vs 28 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 WSEC50 · 20 Nm · 17 rpm → Wistar motor WSEC50 · 20 Nm · 28 rpm

Not directly interchangeable

Same product type (tubular motor)
Ø45 mm (same class)
Torque 20 Nm (same)
230 V (same)
Power supply AC mains (same)
Mains 50 Hz (same)
Limits: Mechanical (same)
Protection IP44
Speed 28 rpm vs 17 rpm
Control system not confirmed
30 mm longer: check the space between brackets

Required changes / checks: Control system not confirmed; 30 mm longer: check the space between brackets

Not checked: crown & drive adapters and motor head; Not checked: brackets; Not checked: remote pairing; Not checked: wiring

Cross-brand alternatives

Becker R20-17-EVO 20 R PLUS BT: 20 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 R20-17-C01 PLUS: 20 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 R20-17-D01: 20 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 R20-17-EVO 20 R BT: 20 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 R20-17 EVO 20 R: 20 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 R20-17-E01: 20 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

Wistar motor WSEC50 · 20 Nm · 28 rpm: Limit range — Not yet collected
Wistar motor WSEC50 · 20 Nm · 17 rpm: Limit range — Not yet collected

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Wistar motor WSEC50 · 20 Nm · 28 rpm: 230 V; Wistar motor WSEC50 · 20 Nm · 17 rpm: 230 V. Mains frequency — Wistar motor WSEC50 · 20 Nm · 28 rpm: 50 Hz; Wistar motor WSEC50 · 20 Nm · 17 rpm: 50 Hz. Power supply type — Wistar motor WSEC50 · 20 Nm · 28 rpm: AC mains; Wistar motor WSEC50 · 20 Nm · 17 rpm: AC mains.
Which tube diameters do they fit?: Motor diameter — Wistar motor WSEC50 · 20 Nm · 28 rpm: 45 mm; Wistar motor WSEC50 · 20 Nm · 17 rpm: 45 mm.
What torque and speed is each rated for?: Rated torque — Wistar motor WSEC50 · 20 Nm · 28 rpm: 20 Nm; Wistar motor WSEC50 · 20 Nm · 17 rpm: 20 Nm. Rated speed — Wistar motor WSEC50 · 20 Nm · 28 rpm: 28 rpm; Wistar motor WSEC50 · 20 Nm · 17 rpm: 17 rpm.
What protocols and control options does each support?: Limit setting — Wistar motor WSEC50 · 20 Nm · 28 rpm: Mechanical; Wistar motor WSEC50 · 20 Nm · 17 rpm: Mechanical.

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSEC50Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 17687, 17664, 17681, 17652, 17686, 17662, 17673, 17642, 17680, 17650, 17682, 17654, 17669, 17638, 17671, 17640, 17683, 17656, 17677, 17646, 17684, 17658, 17685, 17660, 17688, 17666
↑Wistar motor PDF catalogue WSEC40-WSEC50wistarmotor.comIP rating: Protection index: IP44 (p. 1)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 49862, 49861

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Wistar motor WSEC50 · 20 Nm · 28 rpm vs Wistar motor WSEC50 · 20 Nm · 17 rpm