G500-S + M650-U + i550 motec Shaft-Mounted Helical Gearmotor
LenzeGeared MotorsSHAFT-MOUNTED-HELICA

G500-S + M650-U + i550 motec Shaft-Mounted Helical Gearmotor

Compact drive package combining a 120 Hz IE5 M650-U motor, a G500-S shaft-mounted helical gearbox and an on-motor i550 motec inverter: 0.75 … 22 kW, 5 … 4500 Nm and ratios up to i = 4640.

Specifications

Gearbox
G500-S shaft-mounted helical
Motor
M650-U (IE5, 120 Hz)
Inverter
i550 motec (mounted on motor)
Efficiency class
IE5 (IEC TS 60034-30-2), Grade 2 (GB 30253-2024)
Starting torque
Up to 250% from standstill
Version
2-, 3- and 4-stage

The G500-S + M650-U + i550 motec brings together the IE5 M650-U motor, designed for 120 Hz operation, and a G500-S shaft-mounted helical gearbox. It is a sustainable choice wherever a very wide speed setting range is needed; its low mass moment of inertia suits dynamic cycles, and it is two frame sizes smaller than a comparable IE3 drive.

The i550 motec frequency inverter mounted on the motor provides stepless speed control, making the unit suitable for a broad range of tasks. Sensorless operation still yields up to 250% starting torque from standstill, and the drives can be used worldwide with most common approvals.

The G500-S shaft-mounted helical gearbox mounts directly on the machine shaft in a slim, space-saving housing, combining high radial load capacity with finely graded ratios and low backlash. Available in 2-, 3- and 4-stage versions, the series covers 0.75 … 22 kW and 5 … 4500 Nm, with ratios up to i = 4640.

Features

120 Hz IE5 motor

IE5 to IEC TS 60034-30-2 and Grade 2 to GB 30253-2024 keeps efficiency high across a very wide speed setting range.

Up to 250% starting torque

High starting torque from standstill is available in sensorless operation.

Two frame sizes smaller

Low mass inertia and a frame two sizes below an IE3 equivalent suit dynamic applications.

Integrated i550 motec inverter

The on-motor inverter provides stepless speed control without a separate cabinet inverter.

Slim shaft-mounted gearbox

The compact housing mounts directly on the machine shaft and offers low backlash with ratios up to i = 4640.

Applications

  • Conveyor drives mounted directly on the machine shaft
  • Warehouse logistics and automated storage systems
  • Courier, express and parcel facilities
  • Textile and woodworking machinery
  • Decentralized drive architectures

Technical Data

ParameterValue
Power0.75 … 22 kW
Torque5 … 4500 Nm
Max. ratioi = 4640
Version2-, 3- and 4-stage

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