What supply voltage and frequency does each use?

Rated voltage — Becker R30-17-E33: 230 V; Becker R20-17-E33: 230 V. Mains frequency — Becker R30-17-E33: 50 Hz; Becker R20-17-E33: 50 Hz. Power supply type — Becker R30-17-E33: AC mains; Becker R20-17-E33: AC mains.

Which tube diameters do they fit?

Motor diameter — Becker R30-17-E33: 45 mm; Becker R20-17-E33: 45 mm.

What torque and speed is each rated for?

Rated torque — Becker R30-17-E33: 30 Nm; Becker R20-17-E33: 20 Nm. Rated speed — Becker R30-17-E33: 17 rpm; Becker R20-17-E33: 17 rpm.

What protocols and control options does each support?

Limit setting — Becker R30-17-E33: Electronic; Becker R20-17-E33: Electronic.

Becker R30-17-E33 vs Becker R20-17-E33: Specs Compared

Rated power input — Becker R30-17-E33: 210 W^{[2; 2026-10-03]}; Becker R20-17-E33: 160 W^{[2; 2026-10-03]}.

Rated current — Becker R30-17-E33: 0.9 A^{[2; 2026-10-03]}; Becker R20-17-E33: 0.7 A^{[2; 2026-10-03]}.

Rated torque — Becker R30-17-E33: 30 Nm^{[2; 2026-10-03]}; Becker R20-17-E33: 20 Nm^{[2; 2026-10-03]}.

Last verified: 2026-10-05

When to choose Becker R30-17-E33

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]}.

When to choose Becker R20-17-E33

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]}.

Verifiable indicators

Short-time duty (S2) — Becker R30-17-E33: 4 min^{[2; 2026-10-03]}; Becker R20-17-E33: 4 min^{[2; 2026-10-03]}.

Rated life — Becker R30-17-E33: Not published. Becker R20-17-E33: Not published.

Thermal protection — Becker R30-17-E33: Not published. Becker R20-17-E33: Not published.

IP rating — Becker R30-17-E33: IP44^{[2; 2026-10-03]}; Becker R20-17-E33: IP44^{[2; 2026-10-03]}.

Comparison table
Property	Becker R30-17-E33Becker2030 130 187 0	Becker R20-17-E33Becker2020 130 184 0
Series & variant axes
Series	E33	E33
Identity & lineage
GTIN / EAN	4251852915936^{[1; 2026-10-01]}	4251852915929^{[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: 210 W^{[2; 2026-10-03]} vs 160 W^{[2; 2026-10-03]}	210 W^{[2; 2026-10-03]}	160 W^{[2; 2026-10-03]}
Rated currentDiffers: 0.9 A^{[2; 2026-10-03]} vs 0.7 A^{[2; 2026-10-03]}	0.9 A^{[2; 2026-10-03]}	0.7 A^{[2; 2026-10-03]}
Cable connection	Pluggable cable^{[1; 2026-10-01]}	Pluggable cable^{[1; 2026-10-01]}
Drive performance
Rated torqueDiffers: 30 Nm^{[2; 2026-10-03]} vs 20 Nm^{[2; 2026-10-03]}	30 Nm^{[2; 2026-10-03]}	20 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: 2.831 kg^{[1; 2026-10-01]} vs 2.085 kg^{[1; 2026-10-01]}	2.831 kg^{[1; 2026-10-01]}	2.085 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 3 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 R30-17-E33: Overall length — Not yet collected
Becker R20-17-E33: Overall length — Not yet collected

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Becker R30-17-E33: 230 V; Becker R20-17-E33: 230 V. Mains frequency — Becker R30-17-E33: 50 Hz; Becker R20-17-E33: 50 Hz. Power supply type — Becker R30-17-E33: AC mains; Becker R20-17-E33: AC mains.
Which tube diameters do they fit?: Motor diameter — Becker R30-17-E33: 45 mm; Becker R20-17-E33: 45 mm.
What torque and speed is each rated for?: Rated torque — Becker R30-17-E33: 30 Nm; Becker R20-17-E33: 20 Nm. Rated speed — Becker R30-17-E33: 17 rpm; Becker R20-17-E33: 17 rpm.
What protocols and control options does each support?: Limit setting — Becker R30-17-E33: Electronic; Becker R20-17-E33: Electronic.

Sources

↑Becker-Antriebe product centre (product catalog)produktcenter.becker-antriebe.comSeries / product line: Serie E33Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 21227, 21177, 21229, 21180, 21245, 21196, 21223, 21173, 21252, 21202, 21234, 21184, 21254, 21203, 21248, 21198, 21250, 21200, 48657, 48656, 21236, 21186
↑Becker-Antriebe GmbH PDF cataloguebecker-antriebe.comRated voltage: Nennspannung: 230 V/AC / 50Hz [2030 130 187 0] (p. 32)Manufacturer-stated · Observed 2026-10-03 · Retrieved 2026-10-03 · Public web pageUsed for: 47139, 47128, 47141, 47130, 47140, 47129, 47138, 47127, 47137, 47126, 47134, 47123, 47135, 47124, 47142, 47131, 47143, 47132, 47136, 47125, 47144, 47133

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