G500-S + M550-U Shaft-Mounted Helical Gearmotor
LenzeGeared MotorsG500-S-M550-U-SHAFT-

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

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

Specifications

Gearbox
G500-S shaft-mounted helical
Motor
M550-U (IE5)
Efficiency class
IE5 (IEC TS 60034-30-2), Grade 2 (GB 30253-2024)
Starting torque
Up to 250% from standstill
Compatible inverters
i510/i550 cabinet, i550 protec, i550/i650 motec (sensorless)
Version
2-, 3- and 4-stage

The G500-S + M550-U 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 package is optimized for sensorless operation with the i510/i550 cabinet, i550 protec and i550/i650 motec inverters and delivers up to 250% starting torque from standstill. Thanks to a market-oriented modular system the drives can be deployed worldwide and hold most common approvals, while the high efficiency class makes it easier to qualify for regional energy-efficiency incentives.

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.

Broad inverter compatibility

It is optimized for sensorless operation with i510/i550 cabinet, i550 protec and i550/i650 motec inverters.

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
  • Energy-efficiency retrofits of existing plants

Technical Data

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

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