What supply voltage and frequency does each use?

Rated voltage — Becker R20-17-E18: 230 V; Becker R30-17-E18: 230 V. Mains frequency — Becker R20-17-E18: 50 Hz; Becker R30-17-E18: 50 Hz. Power supply type — Becker R20-17-E18: AC mains; Becker R30-17-E18: AC mains.

Which tube diameters do they fit?

Motor diameter — Becker R20-17-E18: 45 mm; Becker R30-17-E18: 45 mm.

What torque and speed is each rated for?

Rated torque — Becker R20-17-E18: 20 Nm; Becker R30-17-E18: 30 Nm. Rated speed — Becker R20-17-E18: 17 rpm; Becker R30-17-E18: 17 rpm.

What protocols and control options does each support?

Limit setting — Becker R20-17-E18: Electronic; Becker R30-17-E18: Electronic.

Becker R20-17-E18 vs Becker R30-17-E18: Specs Compared

Rated power input — Becker R20-17-E18: 160 W^{[2; 2026-10-03]}; Becker R30-17-E18: 210 W^{[2; 2026-10-03]}.

Rated current — Becker R20-17-E18: 0.7 A^{[2; 2026-10-03]}; Becker R30-17-E18: 0.9 A^{[2; 2026-10-03]}.

Rated torque — Becker R20-17-E18: 20 Nm^{[2; 2026-10-03]}; Becker R30-17-E18: 30 Nm^{[2; 2026-10-03]}.

Last verified: 2026-10-05

When to choose Becker R20-17-E18

For 230 V^{[2; 2026-10-03]} / 50 Hz^{[2; 2026-10-03]} mains.
For the stated supply type: AC mains^{[2; 2026-10-03]}.
For the stated diameter: 45 mm^{[1; 2026-10-01]}.
For a rated torque of 20 Nm^{[2; 2026-10-03]}.

When to choose Becker R30-17-E18

For 230 V^{[2; 2026-10-03]} / 50 Hz^{[2; 2026-10-03]} mains.
For the stated supply type: AC mains^{[2; 2026-10-03]}.
For the stated diameter: 45 mm^{[1; 2026-10-01]}.
For a rated torque of 30 Nm^{[2; 2026-10-03]}.

Verifiable indicators

Short-time duty (S2) — Becker R20-17-E18: 4 min^{[2; 2026-10-03]}; Becker R30-17-E18: 4 min^{[2; 2026-10-03]}.

Rated life — Becker R20-17-E18: Not published. Becker R30-17-E18: Not published.

Thermal protection — Becker R20-17-E18: Not published. Becker R30-17-E18: Not published.

IP rating — Becker R20-17-E18: IP44^{[2; 2026-10-03]}; Becker R30-17-E18: IP44^{[2; 2026-10-03]}.

Comparison table
Property	Becker R20-17-E18Becker2020 130 145 0	Becker R30-17-E18Becker2030 130 150 0
Series & variant axes
Series	E18	E18
Identity & lineage
GTIN / EAN	4251852904787^{[1; 2026-10-01]}	4251852904794^{[1; 2026-10-01]}
Electrical
Rated voltage	230 V^{[2; 2026-10-03]}	230 V^{[2; 2026-10-03]}
Mains frequency	50 Hz^{[2; 2026-10-03]}	50 Hz^{[2; 2026-10-03]}
Power supply type	AC mains^{[2; 2026-10-03]}	AC mains^{[2; 2026-10-03]}
Rated power inputDiffers: 160 W^{[2; 2026-10-03]} vs 210 W^{[2; 2026-10-03]}	160 W^{[2; 2026-10-03]}	210 W^{[2; 2026-10-03]}
Rated currentDiffers: 0.7 A^{[2; 2026-10-03]} vs 0.9 A^{[2; 2026-10-03]}	0.7 A^{[2; 2026-10-03]}	0.9 A^{[2; 2026-10-03]}
Cable connection	Pluggable cable^{[1; 2026-10-01]}	Pluggable cable^{[1; 2026-10-01]}
Drive performance
Rated torqueDiffers: 20 Nm^{[2; 2026-10-03]} vs 30 Nm^{[2; 2026-10-03]}	20 Nm^{[2; 2026-10-03]}	30 Nm^{[2; 2026-10-03]}
Rated speed	17 rpm^{[2; 2026-10-03]}	17 rpm^{[2; 2026-10-03]}
Short-time duty (S2)	4 min^{[2; 2026-10-03]}	4 min^{[2; 2026-10-03]}
Duty type	S2^{[2; 2026-10-03]}	S2^{[2; 2026-10-03]}
Dimensions & mounting
Motor diameter	45 mm^{[1; 2026-10-01]}	45 mm^{[1; 2026-10-01]}
Fits tube diameter	≥ 50 mm^{[1; 2026-10-01]}	≥ 50 mm^{[1; 2026-10-01]}
WeightDiffers: 2.058 kg^{[1; 2026-10-01]} vs 2.82 kg^{[1; 2026-10-01]}	2.058 kg^{[1; 2026-10-01]}	2.82 kg^{[1; 2026-10-01]}
Limits & protection
Limit setting	Electronic^{[1; 2026-10-01]}	Electronic^{[1; 2026-10-01]}
Limit range	64 turns^{[2; 2026-10-03]}	64 turns^{[2; 2026-10-03]}
Obstacle detection	Yes^{[1; 2026-10-01]}	Yes^{[1; 2026-10-01]}
Soft start / soft stop	Yes^{[1; 2026-10-01]}	Yes^{[1; 2026-10-01]}
Environment & protection
IP rating	IP44^{[2; 2026-10-03]}	IP44^{[2; 2026-10-03]}
Compliance & declarations
Marks stated by vendor	CE^{[1; 2026-10-05]}	CE^{[1; 2026-10-05]}
Appearance
Colour / finish	Weiß (RAL 9016)^{[1; 2026-10-01]}	Weiß (RAL 9016)^{[1; 2026-10-01]}
View all 9 variants
Documents	Request datasheet	Request datasheet

Cross-brand alternatives

Wistar motor WSME50-LED-20/13: 20 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSME50-LED-20/17: 20 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSME50-LED-20/21: 20 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 120 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSME50-20/13: 20 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSME50-20/17: 20 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSME50-20/16: 20 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}, Ø 45 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-02]}

Data gaps

Becker R20-17-E18: Overall length — Not yet collected
Becker R30-17-E18: Overall length — Not yet collected

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Becker R20-17-E18: 230 V; Becker R30-17-E18: 230 V. Mains frequency — Becker R20-17-E18: 50 Hz; Becker R30-17-E18: 50 Hz. Power supply type — Becker R20-17-E18: AC mains; Becker R30-17-E18: AC mains.
Which tube diameters do they fit?: Motor diameter — Becker R20-17-E18: 45 mm; Becker R30-17-E18: 45 mm.
What torque and speed is each rated for?: Rated torque — Becker R20-17-E18: 20 Nm; Becker R30-17-E18: 30 Nm. Rated speed — Becker R20-17-E18: 17 rpm; Becker R30-17-E18: 17 rpm.
What protocols and control options does each support?: Limit setting — Becker R20-17-E18: Electronic; Becker R30-17-E18: Electronic.

Sources

↑Becker-Antriebe product centre (product catalog)produktcenter.becker-antriebe.comSeries / product line: Serie E18Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 20906, 20956, 20907, 20958, 20922, 20975, 20904, 20952, 20928, 20980, 20910, 20963, 20930, 20981, 20924, 20977, 20926, 20979, 48650, 48651, 20912, 20965
↑Becker-Antriebe GmbH PDF cataloguebecker-antriebe.comRated voltage: Nennspannung: 230 V/AC / 50Hz [2020 130 145 0] (p. 36)Manufacturer-stated · Observed 2026-10-03 · Retrieved 2026-10-03 · Public web pageUsed for: 47337, 47348, 47339, 47350, 47338, 47349, 47336, 47347, 47335, 47346, 47332, 47343, 47333, 47344, 47340, 47351, 47341, 47352, 47334, 47345, 47342, 47353

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