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Product description

Siemens 6SL3210-1KE21-7UF1 is a SINAMICS G120C frequency inverter for compact machine drives, conveyors and controlled auxiliary axes in installed Siemens drive systems. This version operates on 3AC supplies from 380 to 480 V with a frequency range of 47 to 63 Hz. It is rated at 7.5 kW in Low Overload operation and 5.5 kW in High Overload operation. Siemens 6SL3210-1KE21-7UF1 is particularly relevant when replacing an installed G120C inverter whose power class, fieldbus, frame size and safety function must match exactly. This unfiltered FSB version is documented for control-cabinet installation with IP20 protection or as UL Open Type. PROFINET PN, six digital inputs, two digital outputs, one analogue input, one analogue output and one motor-temperature input are available for connection to the controller. Integrated Safe Torque Off supports existing safety concepts directly within the drive train. Dimensions of 196 x 100 x 203 mm support mechanical comparison inside the control cabinet. The documented overload reserves help determine whether the inverter matches conveyors, pumps, fans or controlled auxiliary axes. For replacement during ongoing plant operation, the unit combines its performance data, interfaces and mechanical dimensions in the compact G120C design. This reduces the risk of ordering a filtered, differently connected or mechanically incompatible version. The complete type number, overload capacity, filter version, fieldbus, I/O assignment, STO concept and frame size are the decisive characteristics for replacement procurement. These details allow the installed engineering configuration to be compared directly with the physical replacement component.

Siemens 6SL3210-1KE21-7UF1

Specifications

Manufacturer Siemens
Product series and system family SINAMICS G120C
Manufacturer order number 6SL3210-1KE21-7UF1
Product and equipment type Compact frequency inverter
Mains voltage 3AC 380-480 V +10/-20 %
Mains frequency 47-63 Hz
Low Overload power 7.5 kW
High Overload power 5.5 kW
Low Overload capacity 150 % for 3 s, 110 % for 57 s, 100 % for 240 s
High Overload capacity 200 % for 3 s, 150 % for 57 s, 100 % for 240 s
Fieldbus PROFINET PN
Integrated I/O 6 DI, 2 DO, 1 AI, 1 AO, 1 motor-temperature input
Safety function integrated Safe Torque Off
Filter version unfiltered
Protection rating IP20 / UL Open Type
Frame size FSB
Dimensions 196 x 100 x 203 mm
Control cabinet with PLC modules and automation components
Machine downtime in a production environment

Machine downtime?

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Our highest priority is to keep your production processes running. Rely on our expertise and flexible service to minimise machine downtime effectively.

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Product safety

Manufacturer / EU responsible person

FAQ

Frequently asked questions

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Is there a warranty?

Yes. We provide a 14-day functional warranty for used items. The component must be functional on arrival, and the warranty applies only while the warranty seal remains undamaged. If a fault occurs within 14 calendar days, please contact us in writing. Depending on availability, we will either provide a replacement or refund the full purchase price after the item has been returned. Further details are set out in the terms and conditions supplied with our quotation.

How quickly do you ship, and which shipping options are available?

We normally dispatch available items immediately and, in many cases, on the same working day. For urgent requirements or machine downtime, we will identify the fastest suitable option and can confirm a specific delivery window on request. Express shipping and collection from our premises are also possible by arrangement. We ship worldwide using reliable parcel and freight carriers; freight shipments may require additional preparation to ensure safe delivery.

Is there a guarantee?

Yes, we provide a 14-day functional guarantee for used items. This means the component must be operational when received.

Please note that the guarantee only applies when the warranty seal is undamaged.

If a defect occurs within 14 calendar days, please contact us in writing. Subject to availability, we will provide a replacement or refund the full purchase price after return.

Further details are provided in the terms and conditions supplied with your quotation.

How quickly do you dispatch and which shipping options are available?

We generally dispatch immediately - in many cases on the same working day. For particularly urgent requirements or machine downtime, we find a suitable solution as quickly as possible and provide a specific delivery window on request.

Express shipping or collection from our premises is also possible, depending on the situation. State your requirements during the ordering process or contact us directly.

We ship worldwide and work with reliable shipping partners, from parcel services to freight forwarding. Freight shipments normally require some preparation so the goods arrive safely and undamaged.

Which payment methods are available?

Payment is normally made by bank transfer against invoice. Payment is due within 10 calendar days of receiving the goods.

As a rule, we offer purchase on account for all customers. In individual cases, such as new customers or particularly high-value components, we may agree advance payment. This decision is made individually and communicated transparently.

Can we return items if they were ordered incorrectly?

Because we sell exclusively to business customers (B2B), there is no general right of return and no consumer right of withdrawal.

Please note that returns of functioning goods are generally excluded. In justified exceptional cases, we can assess an individual solution, but this is not the standard procedure.

Is there a discount when ordering several items?

For larger order quantities or several items of one type, we can offer individual discounts.

Simply send us a quick enquiry - we check availability and will gladly prepare a tailored quotation with quantity pricing.

Do you also purchase industrial spare parts?

Yes, we also purchase automation components, such as frequency inverters, PLC assemblies, panels, servo motors and CPUs. Components from Siemens, Lenze, Schneider Electric, Control Techniques or Heidenhain are especially sought after, and other brands are also possible.

The process is straightforward: email us an inventory list or overview photos at info@reha-industriekomponenten.de. We calculate a market-based purchase price and send you an offer.

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