The modular multipurpose frequency converter, SINAMICS G120

The wide power range of 0.55 to 250 kW and the modular design of the components guarantee that you can always create the perfect converter for your specific applications and industry branches.

There are three voltage variations for this series of converters that can be connected to networks at 200 V, 400 V, and 690 V. The SINAMICS G120 also comes with a full machine safety package. The safety functions are commissioned using the SINAMICS Start drive.

Multifunctional. Combinable. Safe.

SINAMICS G120, the multifunctional frequency converter for your diverse tasks.


broad power spectrum (0.55 kW–250 kW)

Adaptable drive system for a wide range of industries and applications

accessible in high-voltage variants in addition to low- and medium-voltage ones.


Host of component combination options (Power Module, Control Unit, operator panel)

Simple connection to electric motors and control systems into your existing system and automation landscape

With Totally Integrated Automation (TIA Portal) and SINAMICS Start drive – one standard engineering for all drives


Machine Protection with Security Safety functions that are integrated: STO, SS1, SBC, SLS, SDI, SSM

smooth execution of safety features in compliance with PL d (EN ISO 13849-1) and SIL 2 (EN 61508)

The modular SINAMICS G120 converter system comprises the Power Module, the Control Unit, and an optional operator panel

The Control Unit uses a variety of customizable closed-loop control types to monitor and control the Power Module and the linked motor. It facilitates communication between monitoring equipment and a local or central controller. The motor receives power from the Power Module in the interval of 0.37 kW to 250 kW. Its cutting-edge IGBT technology with pulse width modulation provides incredibly versatile and dependable motor operation. The Power Module and the motor are highly protected by comprehensive protective mechanisms.

Appropriate uses for SINAMICS G120

Pumping / ventilating / compressing

The modular frequency converter is suitable for the following applications.


SINAMICS is the drive for simple as well as highly dynamic conveyor systems and stacker cranes.


SINAMICS is the drive for continuous processes with high speed and torque accuracy.


SINAMICS is the drive for the positioning of individual or multiple coordinated axes.

Wireless commissioning, diagnostics, and service of low voltage frequency converters

Your mobile devices (smartphone, tablet, and laptop) can be wirelessly connected to the SINAMICS G120, G120C, G120X, and G115D converter series through the use of the SINAMICS G120 Smart Access Module. This gives you a versatile, highly effective tool for wireless commissioning, diagnostics, and servicing.

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