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Siemens Sinamics G120C inverter – 6SL3210-1KE21-7AF1 is a basic frequency converter offering an optimal combination of efficient functions. The compact size facilitates the use of saved space and functional application. Designed for long-term, reliable and economical operation.

3AC380-480V, integrated class A filter, I/O interfaces: 6DI, 2DO,1AI,1AO safe torque off, integrated FIELDBUS: PROFINET-PN PROTECTION: IP20/UL open type

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    Combining compactness with high durability and power, the versatile G120C frequency inverter offers a balanced combination of features for a wide range of applications.

    The SINAMICS G120C series inverter for single-axis drive – 6SL3210-1KE21-7UF1 was developed for customers looking for an extremely economical in long-term operation, taking up as little space as possible and easy to operate standard frequency converter, which, while maintaining compact dimensions, offers a wide range of functions. The device combines compactness with the segment’s high power density and features intuitive and quick installation, user-familiar connections and simple operational tools.

    Siemens has introduced seven frame sizes in its expanded series, allowing the SINAMICS G120C to cover a capacity range of 0.55 to 132 kW. Thanks to the solutions used, the device maintains high energy efficiency, supports the most popular communication interfaces despite its compact size, and is an integral part of Totally Integrated Automation. It combines its unusual design with an internal safety function and a wide range of functions for a variety of applications, for example, in systems that efficiently transfer air and liquid including centrifugal pumps, simple and dynamic conveyor and stacker systems, belt conveyors, roller conveyors, chain conveyors or for continuous processes requiring high accuracy, speed and torque.

    Versatile, energy-efficient inverter thanks to, sensorless vector control allows high torques at the same time low frequencies, provides automatic flow reduction from V/Hz ECO. The certified Safe Torque Off safety feature is built in as standard, so additional external components can be omitted. All standard bus systems PROFINET, EtherNet/IP, PROFIBUS and USS/Modbus RTU are supported. Integrated input choke and EMC filter. All frame sizes in side-by-side design without reducing power or lowering current ratings.


    7.5 kW
    380 VAC
    480 VAC
    21.5 A
    4 kHz
    16 kHz
    0 Hz
    550 Hz
    47 Hz
    63 Hz
    6x with optical isolation, free reference potential, 11 V, 5 V, 15 mA
    1x switched with relay protection
    1x transistor output
    1x Change-Over Contact 30 VDC
    SINAMICS G120C Series
    Flange mounting
    Plugged in
    Screw terminal
    0 °C
    40 °C
    100 mm
    196 mm
    225 mm


    Additional Product Information
    EAN 4042948663974
    UPC 887621144012
    Statistical number of the goods 85044090
    Catalog designation D11.1SD
    FAGR 5673
    Group Code R220