The converter for all water and air applications

Key visual SINAMICS G120X

SINAMICS G120X: Master the elements

The SINAMICS G120X converter is optimized for pump and fan applications in the water/wastewater industry as well as HVAC applications in building automation. This makes SINAMICS G120X the first choice for users who want to tap on the power of the elements to improve the quality of people’s lives. Part of a complete and seamless family of products, the frequency converter meets practically every requirement.

Configure your SINAMICS G120X

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In this tutorial series you will learn everything you need to know about the SINAMICS G120X frequency converter, from selection and ordering to the setup of different modes.

Tutorial 4: Setup one or many drives via TIA Portal Add In
The Tutorial shows step by step how to easily setup one or many SINAMICS G120X drives using a PLC via TIA Portal.
More information about: "SINAMICS G120X Basic Setup”


Tutorial 3: How to setup Free Function Blocks
Learn more about the free Function Blocks for logic or mathematical operations.
More information about: "SINAMICS G120X Firmware version 1.03"


Tutorial 2: Simple selection, ordering and setup
Learn more about the simple selection and ordering process as well as the setup of SINAMICS G120X.


Tutorial 1: How to setup Deragging mode

We show you how to setup Deragging mode.

The sum of the advantages

Harness the power of the elements

SINAMICS G120X is optimized for pump and fan applications in infrastructure projects.

With SINAMICS G120X, users tap on the power of the elements for everyone's benefit.

The new frequency converter comes as a complete product series – standardized and seamless when it comes to all supply voltages and supply types, and available in a power range extending from 0.75 kW to 630 kW. The devices are in compliance with global EMC standards and motor cable lengths of up to 150 m are permissible while maintaining EMC limit values. The integrated Safe Torque Off (STO) safety function is certified according to SIL3.

Thanks to its rugged design with optional protection against dripping water, SINAMICS G120X can be used in harsh conditions. The frequency converter can also be operated under environmental conditions according to the 3C3 standard.

Thanks to its connection to the Cloud with SINAMICS CONNECT 300, SINAMICS G120X also prepares your drive application for digitalization.


SINAMICS G120X infrastructure converters for HVAC/Water/Wastewater

Katalog D 31.5

SINAMICS G120X - Master the elements in infrastructure applications

Download the brochure

Specific functions for your field of application

Voltage /
Power range

3 AC 200 V - 240 V, -20% / +10%, 0.75 - 55 kW / 1.0 - 55 hp

3 AC 380 V - 480 V, -20% / +10%, 0.75 - 560 kW / 1.0- 700 hp

3 AC 500 V - 690 V, -20% / +10%, 3.0 - 630 kW / 4.0 - 700 hp

47 / 63 Hz +/- 5%
Control modes
V/F (linear, square law, FCC, ECO), sensorless vector control (SLVC)
PROFINET, PROFIBUS, EtherNet/IP, Modbus RTU/USS, BACnet MS/TP, Wi-Fi via Smart Access Module
Overview of strengths

Attractive from every perspective – and fit for the future

The SINAMICS G120X series offers precisely the features that are required when addressing infrastructure applications. You get everything that you need to harness the power of nature – for everyone’s benefit.

Delivered installed and ready-to-run with all essential features

When developing this new series of frequency converters , we placed the emphasis on simplicity – in every respect. So that you can quickly integrate SINAMICS G120X into your drive application.


  • Simple ordering (see the ordering systematics at the bottom)
  • Simple integration into existing applications
  • Simple commissioning (using the multi-color IOP-2 operator panel or Smart Access Module)
  • Simple operation, setup and settings
  • Simple connection to the Cloud using SINAMICS CONNECT 300
  • Simple maintenance: SINAMICS G120X indicates when service is required (using the Analyze MyDrives MindSphere application)
  • Simply flexible: SINAMICS G120X can be operated with any motor – but most effectively with Siemens synchronous-reluctance motors

So that your drive application is always available

We have done a lot to adapt the reliability and the ruggedness of the SINAMICS G120X to address globally increasing customer requirements. This means that the frequency converter  always operates with a high degree of stability – even during line supply fluctuations. To reduce harmonics, up to a power of 250 kW, devices have an integrated DC link reactor.

SINAMICS G120X is rugged and can operate in almost any environment: its operating temperature extends from -20°C up to 60°C (depending on the exact version). The converter complies with IP20 with an option for IP21 in UL open type. Coated modules are standard, 3C3 pollutant resistance is optionally available.

In addition, a comprehensive service portfolio is available to increase the availability and operation of the system. For the SINAMICS G120X, there is the option of an extended warranty up to 7 ½ years, various migration services and digitalization services.

So that your drive application is cost effective

To be both effective and cost efficient – these are key criteria for ideal converter  operation. Both aspects have huge significance when it comes to state-of-the-art drive applications. The features with which we have maximized the efficiency of SINAMICS G120X have been appropriately optimized.
The frequency converters  have an efficiency exceeding 98%. The flexibility of the converters  when selecting an appropriate motor is also a big plus: The converter  allows high-efficiency motors to be used for maximum energy-saving operation. For low dynamic loads, the ECO mode ensures the best possible performance and lowest losses for low dynamic loads. It also optimizes the output power to reduce the energy consumption of the driven load.
The bypass function* allows the motor to be switched between converter  and line operation to reduce energy consumption. The energy/flow calculator calculates energy saving and the flow value without requiring the installation of an external meter.

* Bypass function is only supported on induction motors

Ready for digitalization

SINAMICS G120X: Fit for every challenge

Use the data from your SINAMICS G120X to increase transparency and productivity.

The digital transformation is in full swing. It offers a wealth of previously unimaginable possibilities when it comes to process optimization. With SINAMICS G120X, you can leverage all of these opportunities.

SINAMICS G120X can be easily connected to the Cloud via SINAMICS CONNECT 300. Your benefits: increased machine performance, increased availability, a higher degree of cost effectiveness and profitability, higher competitiveness. You not only secure the future of your company but also the quality of human lives that rely on your competence and vision.


With SINAMICS G120X you master the elements.

He controls. He restrains. He ensures that water and air are always sorted, processed and transported in a controlled manner. For the benefit of all.

SINAMICS G120X in practice

The SINAMICS G120X is being successfully used in numerous projects all over the world. You can find an interesting selection of these projects here.
Digitalization solutions for low-voltage converters​

Digitalization solutions for low-voltage converters​

Whether virtualization and simulation, dimensioning and configuration, connectivity, data analysis, or services, digitalization gives you access to greater efficiency and reliability in planning, operation, and maintenance.​


Get the most out of your converter data with digitalization​

The digitalization portfolio for drive technology offers everything from digital twins of converters, selection and engineering tools, and connectivity solutions to analysis apps and data-based services. These solutions permit optimized development processes, demand-oriented maintenance planning and ensure higher productivity.

Easy configure and order

Configure and order your SINAMICS G120X in no time at all

You can easily configure and order the complete drive using just one order number. The drive is delivered pre-assembled and can be commissioned immediately ready to switch on. You can also order SINAMICS G120X frequency converters using the Siemens Drive Technology Configurator in the Internet. The configurator supports you when selecting the best product version for your application.

Illustration ordering process SINAMICS G120X
Configure and order SINAMICS G120X quickly and easily.

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