G500-S + M650-U + i650 motec Shaft-Mounted Helical Gearmotor
LenzeGeared MotorsSHAFT-MOUNTED-HELICA

G500-S + M650-U + i650 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 i650 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
i650 motec (mounted on motor)
Efficiency class
IE5 (IEC TS 60034-30-2), Grade 2 (GB 30253-2024)
Starting torque
Up to 250% from standstill
Extended functions
Logic PLC, table positioning, STO (CIP Safety)
Version
2-, 3- and 4-stage

The G500-S + M650-U + i650 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 i650 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 i650 motec adds extended functions such as Logic PLC, table positioning and Safe Torque Off (STO) via CIP Safety.

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 i650 motec inverter

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

Extended functions

Logic PLC, table positioning and Safe Torque Off (STO) via CIP Safety are available.

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
  • Machine axes requiring simple positioning and STO

Technical Data

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

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