G500-S + M550-U + i550 motec Shaft-Mounted Helical Gearmotor
LenzeGeared MotorsSHAFT-MOUNTED-HELICA

G500-S + M550-U + i550 motec Shaft-Mounted Helical Gearmotor

Compact drive package combining an IE5 M550-U motor, a G500-S shaft-mounted helical gearbox and an on-motor i550 motec inverter: 0.37 … 11 kW, 5 … 4500 Nm and ratios up to i = 4640.

Specifications

Gearbox
G500-S shaft-mounted helical
Motor
M550-U (IE5)
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 + M550-U + i550 motec pairs Lenze's IE5 M550-U motor with a G500-S shaft-mounted helical gearbox to form a compact drive package. With IE5 efficiency according to IEC TS 60034-30-2 it is already prepared for upcoming drive efficiency regulations, and it takes up less space than an IE3 solution for the same task.

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 0.37 … 11 kW and 5 … 4500 Nm, with ratios up to i = 4640.

Features

IE5 efficiency class

IE5 to IEC TS 60034-30-2 and Grade 2 to GB 30253-2024 keeps the drive ready for future efficiency regulations.

Up to 250% starting torque

High breakaway torque from standstill is available even in sensorless operation.

More compact than IE3

It needs less installation space than an IE3 drive solution for the same task.

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
Power0.37 … 11 kW
Torque5 … 4500 Nm
Max. ratioi = 4640
Version2-, 3- and 4-stage

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