SEW WA20 DRS71S4 Gear Motor

SEW WA20 DRS71S4 Gear Motor

The SEW WA20 DRS71S4 Gear Motor is a high-efficiency drive system designed for industrial applications requiring precise torque and speed control. Featuring a hollow shaft design and a robust gear unit, this motor ensures reliable performance and durability. With multi-range voltage compatibility and a thermal class of 155(F), it is ideal for demanding operations.

• Manufacturer: SEW
• Type: Gear Motor
• Model: WA20 DRS71S4
• Part No: 50.7469959208.0001.17

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
• Maximum Torque (Ma max) [Nm]: 25
• Output Torque at 50/60Hz [Nm]: 22 / 18
• Service Factor SEW-FB: 1,15 / 1,40
• Mounting Position: M1A
• Lubricant / Volume [l]: SEW PG 460 Synth. Oil / 0.24
• Hollow Shaft Diameter: 20 mm
• Design: Hollow Shaft
• Motor Power [kW]: 0.37
• Cyclic Duration Factor: S1
• Multi-Range Voltage 50Hz [V]: 220-242 delta / 380-420 star
• Nominal Current 50Hz [A]: 2,15 / 1,23
• Multi-Range Voltage 60Hz [V]: 254-277 delta / 440-480 star
• Nominal Current 60Hz [A]: 1,83 / 1,06
• Power Factor (cos phi): 0,70 / 0,65
• Thermal Class / Enclosure [IP]: 155(F) / 54