What supply voltage and frequency does each use?

Rated voltage — Wistar motor WSME50 · 20 Nm · 16 rpm: 230 V; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 230 V. Mains frequency — Wistar motor WSME50 · 20 Nm · 16 rpm: 60 Hz; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 50 Hz. Power supply type — Wistar motor WSME50 · 20 Nm · 16 rpm: AC mains; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: AC mains.

Which tube diameters do they fit?

Motor diameter — Wistar motor WSME50 · 20 Nm · 16 rpm: 45 mm; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 45 mm.

What torque and speed is each rated for?

Rated torque — Wistar motor WSME50 · 20 Nm · 16 rpm: 20 Nm; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 20 Nm. Rated speed — Wistar motor WSME50 · 20 Nm · 16 rpm: 16 rpm; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 16 rpm.

What protocols and control options does each support?

Limit setting — Wistar motor WSME50 · 20 Nm · 16 rpm: Mechanical; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: Electronic.

Wistar motor WSME50 · 20 Nm · 16 rpm: 60 Hz vs 50 Hz

Rated power input — Wistar motor WSME50 · 20 Nm · 16 rpm: 132 W^{[1; 2026-10-02]}; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 140 W^{[3; 2026-10-01]}.

Rated current — Wistar motor WSME50 · 20 Nm · 16 rpm: 0.58 A^{[1; 2026-10-02]}; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 0.63 A^{[3; 2026-10-01]}.

Mains frequency — Wistar motor WSME50 · 20 Nm · 16 rpm: 60 Hz^{[1; 2026-10-02]}; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 50 Hz^{[3; 2026-10-01]}.

Last verified: 2026-10-06

When to choose Wistar motor WSME50 · 20 Nm · 16 rpm

For 230 V^{[1; 2026-10-02]} / 60 Hz^{[1; 2026-10-02]} mains.
For the stated supply type: AC mains^{[1; 2026-10-02]}.
For the stated diameter: 45 mm^{[1; 2026-10-02]}.
For a rated torque of 20 Nm^{[1; 2026-10-02]}.

When to choose Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm

For 230 V^{[3; 2026-10-01]} / 50 Hz^{[3; 2026-10-01]} mains.
For the stated supply type: AC mains^{[3; 2026-10-01]}.
For the stated diameter: 45 mm^{[3; 2026-10-01]}.
For a rated torque of 20 Nm^{[3; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Wistar motor WSME50 · 20 Nm · 16 rpm: 4 min^{[1; 2026-10-02]}; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 5 min^{[3; 2026-10-01]}.

Rated life — Wistar motor WSME50 · 20 Nm · 16 rpm: Not published. Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: Not published.

Thermal protection — Wistar motor WSME50 · 20 Nm · 16 rpm: Not published. Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: Not published.

IP rating — Wistar motor WSME50 · 20 Nm · 16 rpm: IP44^{[4; 2026-10-06]}; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: IP44^{[3; 2026-10-01]}.

Comparison table
Property	Wistar motor WSME50 · 20 Nm · 16 rpmWistar motorWSME50-20/16	Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpmGeiger AntriebstechnikGU4520-F04
Series & variant axes
SeriesDiffers: WSME50 vs SOLIDline Flex AIR	WSME50	SOLIDline Flex AIR
Identity & lineage
Series / product lineDiffers: WSME50^{[1; 2026-10-02]} vs SOLIDline Zip Air^{[2; 2026-10-02]}	WSME50^{[1; 2026-10-02]}	SOLIDline Zip Air^{[2; 2026-10-02]}
Electrical
Rated voltage	230 V^{[1; 2026-10-02]}	230 V^{[3; 2026-10-01]}
Mains frequencyDiffers: 60 Hz^{[1; 2026-10-02]} vs 50 Hz^{[3; 2026-10-01]}	60 Hz^{[1; 2026-10-02]}	50 Hz^{[3; 2026-10-01]}
Power supply type	AC mains^{[1; 2026-10-02]}	AC mains^{[3; 2026-10-01]}
Supply rating (as stated)	Not published	230 V~/50 Hz^{[2; 2026-10-02]}
Rated power inputDiffers: 132 W^{[1; 2026-10-02]} vs 140 W^{[3; 2026-10-01]}	132 W^{[1; 2026-10-02]}	140 W^{[3; 2026-10-01]}
Rated currentDiffers: 0.58 A^{[1; 2026-10-02]} vs 0.63 A^{[3; 2026-10-01]}	0.58 A^{[1; 2026-10-02]}	0.63 A^{[3; 2026-10-01]}
Power factor (cos φ)	Not published	> 0.95 ^{[3; 2026-10-01]}
Inrush current factor	Not published	1.2 x^{[3; 2026-10-01]}
Cable connection	Not published	Pluggable cable^{[2; 2026-10-02]}
Drive performance
Rated torque	20 Nm^{[1; 2026-10-02]}	20 Nm^{[3; 2026-10-01]}
Rated speed	16 rpm^{[1; 2026-10-02]}	16 rpm^{[3; 2026-10-01]}
Short-time duty (S2)Differs: 4 min^{[1; 2026-10-02]} vs 5 min^{[3; 2026-10-01]}	4 min^{[1; 2026-10-02]}	5 min^{[3; 2026-10-01]}Highest stated
Duty type	Not published	S2^{[3; 2026-10-01]}
Dimensions & mounting
Motor diameter	45 mm^{[1; 2026-10-02]}	45 mm^{[3; 2026-10-01]}
Overall lengthDiffers: 700 mm^{[1; 2026-10-02]} vs 549.5 mm^{[3; 2026-10-01]}	700 mm^{[1; 2026-10-02]}	549.5 mm^{[3; 2026-10-01]}
WeightDifferent basis: 4 kg^{[1; 2026-10-02]} vs ≈ 2.2 kg^{[3; 2026-10-01]}	4 kg^{[1; 2026-10-02]}Different basis	≈ 2.2 kg^{[3; 2026-10-01]}Different basis
Limits & protection
Limit settingDiffers: Mechanical^{[1; 2026-10-02]} vs Electronic^{[2; 2026-10-02]}	Mechanical^{[1; 2026-10-02]}	Electronic^{[2; 2026-10-02]}
Limit rangeDifferent basis: 27 turns^{[1; 2026-10-02]} vs > 200 turns^{[3; 2026-10-01]}	27 turns^{[1; 2026-10-02]}Different basis	> 200 turns^{[3; 2026-10-01]}Different basis
Obstacle detection	Not published	Yes^{[2; 2026-10-02]}
Control & communication
Max paired transmitters	15 pcs^{[4; 2026-10-06]}	Not published
Environment & protection
IP rating	IP44^{[4; 2026-10-06]}	IP44^{[3; 2026-10-01]}
Operating temp. (min)	-10 °C^{[4; 2026-10-06]}	Not published
Operating temp. (max)	55 °C^{[4; 2026-10-06]}	Not published
Noise level	Not published	41 dB(A)^{[3; 2026-10-01]}
Application
Applications	Not published	Awning^{[2; 2026-10-01]}, Cassette awning^{[2; 2026-10-01]}, Roller shutter^{[2; 2026-10-01]}, Screen^{[2; 2026-10-01]}
Documents	Request datasheet	Request datasheet

Relations and interchangeability

Wistar motor WSME50 · 20 Nm · 16 rpm → Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm

Not directly interchangeable

Same product type (tubular motor)
Ø45 mm (same class)
Torque 20 Nm (same)
Speed 16 rpm (same)
230 V (same)
Power supply AC mains (same)
Length 549.5 mm
Protection IP44
Mains 50 Hz vs 60 Hz
Control system not confirmed
Limits are set differently (Mechanical → Electronic)
Other brand: crown & drive adapters, head and bracket must be checked

Required changes / checks: Control system not confirmed; Limits are set differently (Mechanical → Electronic); Other brand: crown & drive adapters, head and bracket must be checked

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

Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm → Wistar motor WSME50 · 20 Nm · 16 rpm

Not directly interchangeable

Same product type (tubular motor)
Ø45 mm (same class)
Torque 20 Nm (same)
Speed 16 rpm (same)
230 V (same)
Power supply AC mains (same)
Protection IP44
Mains 60 Hz vs 50 Hz
Control system not confirmed
Limits are set differently (Electronic → Mechanical)
150.5 mm longer: check the space between brackets
Other brand: crown & drive adapters, head and bracket must be checked

Required changes / checks: Control system not confirmed; Limits are set differently (Electronic → Mechanical); 150.5 mm longer: check the space between brackets; Other brand: crown & drive adapters, head and bracket must be checked

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

Series

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]}

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Wistar motor WSME50 · 20 Nm · 16 rpm: 230 V; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 230 V. Mains frequency — Wistar motor WSME50 · 20 Nm · 16 rpm: 60 Hz; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 50 Hz. Power supply type — Wistar motor WSME50 · 20 Nm · 16 rpm: AC mains; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: AC mains.
Which tube diameters do they fit?: Motor diameter — Wistar motor WSME50 · 20 Nm · 16 rpm: 45 mm; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 45 mm.
What torque and speed is each rated for?: Rated torque — Wistar motor WSME50 · 20 Nm · 16 rpm: 20 Nm; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 20 Nm. Rated speed — Wistar motor WSME50 · 20 Nm · 16 rpm: 16 rpm; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 16 rpm.
What protocols and control options does each support?: Limit setting — Wistar motor WSME50 · 20 Nm · 16 rpm: Mechanical; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: Electronic.

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSME50Manufacturer-stated · Observed 2026-10-02 · Retrieved 2026-10-01 · Public web pageUsed for: 45219, 45212, 45218, 45207, 45211, 45213, 45205, 45206, 45214, 45209, 45215, 45217, 45220, 45216
↑Geiger Antriebstechnik manufacturer site (product catalog)geiger.deSeries / product line: SOLIDline Zip AirManufacturer-stated · Observed 2026-10-02 · Retrieved 2026-09-23 · Public web pageUsed for: 45684, 45688, 45693, 45700, 45702, 5707, 44725, 5706, 5708
↑Geiger Antriebstechnik PDF cataloguegeiger.deRated voltage: Spannung: 230V~/50 Hz [GU4520] (p. 11)Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 32122, 32126, 32124, 32135, 32128, 32131, 32133, 32137, 32139, 32147, 32149, 32153, 32144, 32155, 32141, 32142, 32151
↑Wistar motor PDF catalogue WSME50wistarmotor.comMax paired transmitters: compatible with 15 emitters at most: 15 (p. 1)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 50100, 50099, 50101, 50102

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Wistar motor WSME50 · 20 Nm · 16 rpm vs Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm