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SEW Eurodrive

S-Series Helical-Worm Gearmotors

Product Range Power ratings from 0.08 to 47 HP Output speeds from 0.01 to 516 rpm (based on 4 pole motor) Output torques to 35,400 lb-in.

• Worm shaft and helical gears manufactured from certified steel, heat treated to a case hardness of 58-62 Rockwell C for long gear life
• Gears are milled, hardened and ground to assure maximum efficiency (up to 94%), minimum noise and heat generation
• High capacity anti-friction bearings for optimum load carrying capacity and long life
• Captured keys on input and output shafts
• Gearcases made of high strength gray cast iron, SAE Class 30
• High cross-section modulus design with stiffening webs for maximum rigidity
• S-Series reducers are continuous duty at rated thermal capacity, based on ratio and input speed
• Center tapped holes on output shafts
• Double output seal design consisting of patented bi-helix inner seal made of Viton® and double-lip Nitrile (Buna-N) outer seal*

• NEMA Design B/C
• Inverter duty
• Connection terminals
• Extremely low motor inertia
• Mark for shipment into Europe

• Foot or flange mounts
• Suitable for mounting in any position
• Available as a gearmotor or a gear brakemotor

• TorqLOC^®
• Hollow or solid output shafts available in metric sizes
• Severe duty protection
• Long-term storage protection
• Torque arm

• High cycling capacity fail-safe brake
• Severe duty construction
• 50 Hz motors for worldwide use
• Forced cooling for low frequency operation
• Thermostat or thermistor protection
• Plug connector terminal box for fast motor replacement