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SINAMICS

Variable Frequency Drives

Drive selection based on motor data, load profile, control method and supply conditions.

From component supply to complete VFD panels, Honghao reviews the motor nameplate, overload requirement, braking, EMC, enclosure and communication scope before final configuration. Availability and technical suitability are confirmed at quotation.

Request price & lead time Final specifications are confirmed by article number.
SINAMICS G120 variable frequency drive

Common SINAMICS searches

Decisions that change the BOM.

Review these points before choosing a model name or requesting a replacement.

01How do I choose between SINAMICS V20, G120 and S120?
SINAMICS drive selection

Use V20 for suitable basic-performance duties, evaluate G120 for modular general-purpose applications with broader options, and consider S120 for coordinated axes or demanding drive systems. Motor data, load duty, control performance, safety, regenerative operation and network architecture decide the platform.

Compare V20 and G120
02Can a VFD be sized only from motor kW?
how to size a Siemens VFD

No. Rated motor current, supply voltage, overload, torque profile, speed range, ambient temperature, altitude, switching frequency, braking and duty cycle can change the required drive and derating. Final selection should follow current and application duty.

See the VFD panel input list
03Which accessories may be needed around a SINAMICS drive?
SINAMICS drive accessories

Depending on the system, review the control unit or operator panel, line reactor or filter, braking components, output reactor or filter, communication module, shielding and earthing hardware, protective devices and cooling. The exact set depends on the article number and installation.

View the G120 selection page

Product range

SINAMICS series overview

Compare the SINAMICS options below before choosing a series. The final CPU, power module, control unit or accessory is selected from approved project data and the complete article number.

01

Compact basic-performance drive

SINAMICS V20

Pumps, fans, conveyors and simple machines
  • 0.12–30 kW portfolio
  • Common industrial loads
  • Straightforward commissioning
View parameters & selection
02

Modular general-purpose drive

SINAMICS G120

Flexible machine and process applications
  • 0.55–250 kW portfolio
  • Communication options
  • Safety-function options
View parameters & selection
03

High-performance drive system

SINAMICS S120

Coordinated multi-axis and demanding motion
  • Multi-axis architecture
  • Advanced control
  • Regenerative configurations
View parameters & selection

Selection checklist

Information we review

Providing the listed SINAMICS application data early reduces configuration changes and keeps the quotation aligned with the actual machine or process.

Motor
Rated power, current, voltage, frequency and speed range
Load
Variable torque, constant torque, overload and duty cycle
Control
Local/remote control, fieldbus, encoder and safety requirements
Installation
Ambient conditions, cooling, EMC, enclosure and cable length

Honghao support

Supply and engineering scope

  • Drive and accessory selection review
  • Motor compatibility and load-data review
  • VFD control-panel configuration
  • FAT scope and export-document coordination

Typical applications

Where this family fits

Pumps and fansConveyorsCompressorsMixersOEM machinery

Selection questions

Before you specify SINAMICS.

These SINAMICS answers cover the decisions most likely to change the article number, accessories, replacement plan or control-panel scope.

01

SINAMICS selection questions

Questions buyers ask before choosing variable frequency drives.

How do I choose between SINAMICS V20, G120 and S120?
SINAMICS drive selection

Use V20 for suitable basic-performance duties, evaluate G120 for modular general-purpose applications with broader options, and consider S120 for coordinated axes or demanding drive systems. Motor data, load duty, control performance, safety, regenerative operation and network architecture decide the platform.

Compare V20 and G120
Can a VFD be sized only from motor kW?
how to size a Siemens VFD

No. Rated motor current, supply voltage, overload, torque profile, speed range, ambient temperature, altitude, switching frequency, braking and duty cycle can change the required drive and derating. Final selection should follow current and application duty.

See the VFD panel input list
Which accessories may be needed around a SINAMICS drive?
SINAMICS drive accessories

Depending on the system, review the control unit or operator panel, line reactor or filter, braking components, output reactor or filter, communication module, shielding and earthing hardware, protective devices and cooling. The exact set depends on the article number and installation.

View the G120 selection page
02

Quotation and compatibility

The information needed for a technically usable offer.

What should I send for a SINAMICS quotation?
SINAMICS quotation

Send the full article number for replacements. For a new application, provide motor, load, control, installation, quantity, destination and required delivery date. Honghao will identify assumptions before confirming the BOM.

Send product or application data
How does Honghao verify SINAMICS compatibility?
SINAMICS compatibility check

The review checks the complete article number, product generation, required accessories, electrical and communication interfaces, lifecycle status and the surrounding system. Final ratings remain tied to current manufacturer documentation and the approved BOM.

See the BOM verification method
Can SINAMICS products be supplied inside a complete control panel?
SINAMICS control panel

Yes, when the contracted scope includes panel engineering. The design basis should define power, protection, environment, interfaces, drawings, programming responsibility, FAT and export documentation before assembly.

Explore engineered solutions

Ready for review

Send the article number, BOM or application data.

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