What supply voltage and frequency does each use?

Rated voltage — Wistar motor WSME50 · 20 Nm · 16 rpm: 120 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: 120 V vs 230 V

Rated voltage — Wistar motor WSME50 · 20 Nm · 16 rpm: 120 V^{[1; 2026-10-02]}; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 230 V^{[3; 2026-10-01]}.

Rated power input — Wistar motor WSME50 · 20 Nm · 16 rpm: 150 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: 1.26 A^{[1; 2026-10-02]}; Geiger Antriebstechnik SOLIDline Flex AIR · 20 Nm · 16 rpm: 0.63 A^{[3; 2026-10-01]}.

Last verified: 2026-10-06

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

For 120 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 voltageDiffers: 120 V^{[1; 2026-10-02]} vs 230 V^{[3; 2026-10-01]}	120 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: 150 W^{[1; 2026-10-02]} vs 140 W^{[3; 2026-10-01]}	150 W^{[1; 2026-10-02]}	140 W^{[3; 2026-10-01]}
Rated currentDiffers: 1.26 A^{[1; 2026-10-02]} vs 0.63 A^{[3; 2026-10-01]}	1.26 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: 730 mm^{[1; 2026-10-02]} vs 549.5 mm^{[3; 2026-10-01]}	730 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)
Power supply AC mains (same)
Length 549.5 mm
Protection IP44
230 V vs 120 V
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)
Power supply AC mains (same)
Protection IP44
120 V vs 230 V
Mains 60 Hz vs 50 Hz
Control system not confirmed
Limits are set differently (Electronic → Mechanical)
180.5 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); 180.5 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: 120 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: 45235, 45228, 45234, 45223, 45227, 45229, 45221, 45222, 45230, 45225, 45231, 45233, 45236, 45232
↑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: 50124, 50123, 50125, 50126

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