SEW-EURODRIVE / CMG CKS06-3HRA Inverter Duty Gearmotor with MHEMAB100-3C1U Helical-Bevel Gearbox

The CKS06-3HRA gearmotor by SEW-EURODRIVE, distributed under the CMG brand in the U.S., is a high-performance vertical gearmotor assembly designed for demanding industrial applications. This system includes a helical-bevel gearbox (Model MHEMAB100-3C1U) mated with an inverter-duty AC motor engineered to operate with precision in VFD-controlled environments.

The gearbox delivers a high gear ratio of 269:1, resulting in a low output speed of 5.3 RPM, and a substantial output torque of 485 Nm, ideal for lifting, hoisting, or conveyor systems where high torque and precision are critical. The integrated electromagnetic DC brake, rated at 24 V DC with 12 Nm holding torque, enables dynamic and static load retention for secure operation.

Compliant with IEC/EN 60034, this gearmotor is designed for continuous-duty applications, with thermal characteristics optimized for inverter operation. The assembly is intended for vertical mounting and supports reliable mechanical integration into low-speed, high-load systems.

Specifications:

– Manufacturer: SEW-EURODRIVE
– Brand: CMG (SEW-EURODRIVE USA Branding – Southfield, MI, USA)
– Motor Model: CKS06-3HRA
– Motor Type: Inverter Duty AC Motor
– Brake Type: Electromagnetic DC Brake
– Brake Voltage: 24 V DC
– Brake Torque: 12 Nm
– Gearbox Model: MHEMAB100-3C1U
– Gearbox Serial Number: T10001275120021W
– Gearbox Type: Helical-Bevel
– Gear Ratio (i): 269:1
– Rated Output Speed (n₂): 5.3 RPM
– Output Torque: 485 Nm
– Mounting Orientation: Vertical (flange or foot unspecified – confirm from MHEMAB variant)
– Standard Compliance: IEC/EN 60034
– Country of Assembly: Not explicitly stated (likely German-manufactured with regional CMG branding for U.S. market)
– Motor Compatibility: VFD compatible (Inverter Duty)
– Thermal Design: Optimized for continuous duty in inverter-fed applications
– Application Suitability: Ideal for conveyor drives, rotary actuators, hoisting systems, and other low-speed, high-torque machinery
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