What supply voltage and frequency does each use?

Rated voltage — Becker L50-17-M04: 230 V; Becker R40-17-M04: 230 V. Mains frequency — Becker L50-17-M04: 50 Hz; Becker R40-17-M04: 50 Hz. Power supply type — Becker L50-17-M04: AC mains; Becker R40-17-M04: AC mains.

Which tube diameters do they fit?

Motor diameter — Becker L50-17-M04: 58 mm; Becker R40-17-M04: 45 mm.

What torque and speed is each rated for?

Rated torque — Becker L50-17-M04: 50 Nm; Becker R40-17-M04: 40 Nm. Rated speed — Becker L50-17-M04: 17 rpm; Becker R40-17-M04: 17 rpm.

What protocols and control options does each support?

Limit setting — Becker L50-17-M04: Mechanical; Becker R40-17-M04: Mechanical.

Becker L50-17-M04 vs Becker R40-17-M04: Specs Compared

Rated power input — Becker L50-17-M04: 315 W^{[2; 2026-10-03]}; Becker R40-17-M04: 260 W^{[2; 2026-10-03]}.

Rated current — Becker L50-17-M04: 1.4 A^{[2; 2026-10-03]}; Becker R40-17-M04: 1.15 A^{[2; 2026-10-03]}.

Rated torque — Becker L50-17-M04: 50 Nm^{[2; 2026-10-03]}; Becker R40-17-M04: 40 Nm^{[2; 2026-10-03]}.

Last verified: 2026-10-06

When to choose Becker L50-17-M04

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: 58 mm^{[1; 2026-10-01]}.
For a rated torque of 50 Nm^{[2; 2026-10-03]}.

When to choose Becker R40-17-M04

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 40 Nm^{[2; 2026-10-03]}.

Verifiable indicators

Short-time duty (S2) — Becker L50-17-M04: 4 min^{[2; 2026-10-03]}; Becker R40-17-M04: 4 min^{[2; 2026-10-03]}.

Rated life — Becker L50-17-M04: Not published. Becker R40-17-M04: Not published.

Thermal protection — Becker L50-17-M04: Not published. Becker R40-17-M04: Not published.

IP rating — Becker L50-17-M04: IP44^{[2; 2026-10-03]}; Becker R40-17-M04: IP44^{[2; 2026-10-03]}.

Comparison table
Property	Becker L50-17-M04Becker2050 110 106 0	Becker R40-17-M04Becker2040 110 100 0
Series & variant axes
Series	M04	M04
Identity & lineage
GTIN / EAN	4251852900987^{[1; 2026-10-01]}	4251852900932^{[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: 315 W^{[2; 2026-10-03]} vs 260 W^{[2; 2026-10-03]}	315 W^{[2; 2026-10-03]}	260 W^{[2; 2026-10-03]}
Rated currentDiffers: 1.4 A^{[2; 2026-10-03]} vs 1.15 A^{[2; 2026-10-03]}	1.4 A^{[2; 2026-10-03]}	1.15 A^{[2; 2026-10-03]}
Cable connection	Pluggable cable^{[1; 2026-10-01]}	Pluggable cable^{[1; 2026-10-01]}
Drive performance
Rated torqueDiffers: 50 Nm^{[2; 2026-10-03]} vs 40 Nm^{[2; 2026-10-03]}	50 Nm^{[2; 2026-10-03]}	40 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 diameterDiffers: 58 mm^{[1; 2026-10-01]} vs 45 mm^{[1; 2026-10-01]}	58 mm^{[1; 2026-10-01]}	45 mm^{[1; 2026-10-01]}
Fits tube diameterDiffers: ≥ 63 mm^{[1; 2026-10-01]} vs ≥ 50 mm^{[1; 2026-10-01]}	≥ 63 mm^{[1; 2026-10-01]}	≥ 50 mm^{[1; 2026-10-01]}
WeightDiffers: 4.739 kg^{[1; 2026-10-01]} vs 2.95 kg^{[1; 2026-10-01]}	4.739 kg^{[1; 2026-10-01]}	2.95 kg^{[1; 2026-10-01]}
Limits & protection
Limit setting	Mechanical^{[1; 2026-10-01]}	Mechanical^{[1; 2026-10-01]}
Limit rangeDiffers: 36 turns^{[2; 2026-10-03]} vs 38 turns^{[2; 2026-10-03]}	36 turns^{[2; 2026-10-03]}	38 turns^{[2; 2026-10-03]}
Environment & protection
IP rating	IP44^{[2; 2026-10-03]}	IP44^{[2; 2026-10-03]}
Application
Applications	Roller shutter^{[3; 2026-10-06]}	Roller shutter^{[4; 2026-10-06]}
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 20 variants
Documents	Request datasheet	Request datasheet

Cross-brand alternatives

Wistar motor WSME50-LED-40/13: 40 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-40/16: 40 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 WSME50-40/13: 40 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 WSME50-40/16: 40 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 WSM50-40/13: 40 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 WSM50-40/16: 40 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]}

Data gaps

Becker L50-17-M04: Overall length — Not yet collected
Becker R40-17-M04: Overall length — Not yet collected

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Becker L50-17-M04: 230 V; Becker R40-17-M04: 230 V. Mains frequency — Becker L50-17-M04: 50 Hz; Becker R40-17-M04: 50 Hz. Power supply type — Becker L50-17-M04: AC mains; Becker R40-17-M04: AC mains.
Which tube diameters do they fit?: Motor diameter — Becker L50-17-M04: 58 mm; Becker R40-17-M04: 45 mm.
What torque and speed is each rated for?: Rated torque — Becker L50-17-M04: 50 Nm; Becker R40-17-M04: 40 Nm. Rated speed — Becker L50-17-M04: 17 rpm; Becker R40-17-M04: 17 rpm.
What protocols and control options does each support?: Limit setting — Becker L50-17-M04: Mechanical; Becker R40-17-M04: Mechanical.

Sources

↑Becker-Antriebe product centre (product catalog)produktcenter.becker-antriebe.comSeries / product line: Serie M04Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 15841, 15750, 15843, 15751, 15861, 15761, 15837, 15748, 15863, 15763, 15849, 15754, 15864, 15765, 48514, 48512, 15851, 15755
↑Becker-Antriebe GmbH PDF cataloguebecker-antriebe.comRated voltage: Nennspannung: 230 V/AC / 50Hz [2050 110 106 0] (p. 14)Manufacturer-stated · Observed 2026-10-03 · Retrieved 2026-10-03 · Public web pageUsed for: 46204, 46182, 46206, 46184, 46205, 46183, 46203, 46181, 46202, 46180, 46199, 46177, 46200, 46178, 46207, 46185, 46208, 46186, 46201, 46179, 46209, 46187
↑https://produktcenter.becker-antriebe.com/Antriebe/Rollladenanwendungen/Antriebe-mit-mechanischer-Endabschaltung/L50-17-M04.htmlproduktcenter.becker-antriebe.comBecker L50-17-M04: tubular drive in produktcenter.becker-antriebe.com "Antriebe > Rollladenanwendungen" (https://produktcenter.becker-antriebe.com/Antriebe/Rollladenanwendungen/Antriebe-mit-mechanischer-Endabschaltung/L50-17-M04.html)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 50676
↑https://produktcenter.becker-antriebe.com/Antriebe/Rollladenanwendungen/Antriebe-mit-mechanischer-Endabschaltung/R40-17-M04.htmlproduktcenter.becker-antriebe.comBecker R40-17-M04: tubular drive in produktcenter.becker-antriebe.com "Antriebe > Rollladenanwendungen" (https://produktcenter.becker-antriebe.com/Antriebe/Rollladenanwendungen/Antriebe-mit-mechanischer-Endabschaltung/R40-17-M04.html)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 50757

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