SEW WA20 DRS71S4 Gear Motor

SEW WA20 DRS71S4 Gear Motor

The SEW WA20 DRS71S4 Gear Motor is a reliable and high-performance motor designed for industrial applications requiring efficient speed reduction and torque transmission. With a robust hollow shaft design and synthetic oil lubrication, it ensures durability, low maintenance, and optimal power output. Its multi-range voltage compatibility and thermal protection make it ideal for various operational environments.

• Manufacturer: SEW
• Type: Gear Motor
• Model: WA20 DRS71S4
• Part No: 50.7419380604.0013.17

Technical Specifications

• Gear Unit: WA20
• Speed 50Hz [r/min]: 1380 / 135
• Speed 60Hz [r/min]: 1700 / 166
• Total Ratio [i]: 10.25 / finite
• No. of Teeth Nom./Denominator: 41/4
• Ma Max [Nm]: 25
• Output Torque at 50/60 Hz [Nm]: 22 / 18
• Service Factor SEW-FB: 1.15 / 1.40
• Mounting Position: M1A
• Lubricant / Volume [l]: SEW PG 460 Synthetic Oil / 0.24
• Hollow Shaft: 20 mm
• Design: Hollow Shaft
• Motor Power [kW]: 0.37
• Cyclic Duration Factor S1-S10: S1
• Multi-Range Voltage 50Hz [V]: 220-242 Delta / 380-420 Star
• Nominal Current [A]: 2.15 / 1.23
• Multi-Range Voltage 60Hz [V]: 254-277 Delta / 440-480 Star
• Nominal Current [A]: 1.83 / 1.06
• cos phi: 0.70 / 0.65
• Thermal Class / Enclosure [IP]: 155(F) / 54