SINAMICS G120 Built-in Units

The modular converter – space-saving, safe and robust

The converter from 0.55 to 250 kW for versatile applications

With the second generation SINAMICS G120, Siemens presents a modular converter with higher power density and a space-saving frame size.

The redesigned converter series is now available in three voltage variants for connection to 200 V, 400 V and 690 V power supply networks.

With lots of innovative functions – all major facts at a single glance


1/3AC 200 … 240 V +/- 10 %
   3AC 380 … 480 V +/- 10 %
   3AC 500 … 690 V +/- 10 %

Power range

0.55 kW – 250 kW (LO)

Degree of protection


Environmental class

Class 3C2, (3C3 with SIPLUS)

Ambient temperature

0 to 50°C


According to IEC 61800-3 up to Category C2


CE, UL, cUL, c-Tick

Safety Technology

Safety Integrated: STO (SIL 3, PL e, Kat. 3), SS1, SBC, SLS, SDI, SSM, PROFIsafe


PROFINET, PROFIBUS, USS, Modbus, Ethernet IP, BACnet

Control procedure

U/f, Flux Current Control, vector control with and without encoder


Basic positioning function with Epos, regenerative capability through efficient infeed technology (Power Modules PM250 only), PROFIenergy, PROFIdrive

We support you with the suitable tools to find the right converter

Integrated software supports user-friendly selection, commissioning and operation. The SINAMICS G120 can not only be set up easily, but provides superior usability already during the commissioning phase and later during operation. The integrated software makes it possible.