German SEW Gearbox DRS71S4 0.37kW 4-Pole Three-Phase Motor | Original SEW DRS Series Standard Motor
1. Product Overview
SEW DRS71S4 is a 0.37kW 4-pole three-phase AC induction motor from German SEW-EURODRIVE DRS series. Designed for general industrial use, it features compact aluminum housing, IE1 standard efficiency, low noise, and stable continuous operation (S1). Matches perfectly with SEW gearboxes (R/K/F/S/W series) to form integrated gear motors. 100% original German quality, widely used in conveyors, packaging, food processing, and general machinery.
2. Technical Specifications
| Item |
Specification |
| Brand |
SEW-EURODRIVE (Germany) |
| Model |
DRS71S4 |
| Power |
0.37kW (1/2 HP) |
| Phase/Poles |
3-Phase / 4-Pole |
| Rated Speed |
1380 rpm (50Hz) / 1650 rpm (60Hz) |
| Voltage |
220-230V Δ / 380-400V Y |
| Current |
1.14A (Δ) / 1.24A (Y) |
| Torque |
2.55 Nm |
| Efficiency |
66.6% (IE1) |
| Frame Material |
Aluminum (lightweight & durable) |
| Protection Class |
IP54 (dustproof & splash-proof) |
| Insulation Class |
F (155°C) |
| Duty Cycle |
S1 (Continuous) |
| Cooling |
TEFC (Totally Enclosed Fan Cooled) |
| Mounting |
B3 (foot), B5 (flange), B14 (small flange) |
| Weight |
~7.8 kg |
| Certification |
CE, RoHS, IEC60034 |
3. Key Features
- ✅ Original German Quality: Strict manufacturing standards, reliable for heavy-duty industrial use.
- ✅ Compact & Lightweight: Aluminum housing saves installation space and reduces load.
- ✅ Low Noise & Vibration: Precision balancing and high-quality bearings ensure smooth operation.
- ✅ IP54 Protection: Suitable for dusty, humid, or splash-prone workshop environments.
- ✅ Easy Integration: Perfectly compatible with SEW R/K/F/S/W series gearboxes for plug-and-play.
- ✅ Continuous Operation: S1 duty cycle supports 24/7 non-stop production lines.
4. Compatible Gearboxes
- R Series: Helical gearboxes (R37/R47/R57/R67)
- K Series: Bevel-helical gearboxes
- F Series: Parallel-shaft helical gearboxes
- S Series: Helical-worm gearboxes
- W Series: Compact worm gearboxes
5. Applications
- Conveyor systems & assembly lines
- Packaging, labeling & printing machinery
- Food & beverage processing equipment
- Textile machinery & small machine tools
- Pumps, fans & general industrial transmission
6. Our Advantages
- 100% original genuine SEW motors, full factory tested.
- Stock available, fast delivery (3–7 days).
- Professional technical support for selection & installation.
- One-stop supply for SEW gearboxes, motors & inverters.