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Product description

The Siemens 6SE7021-3EB61-Z is a compact frequency converter from the SIMOVERT MASTERDRIVES Vector Control series. It converts a three-phase supply with a fixed line frequency into a variable-speed three-phase system for industrial motor drives. The basic version is designed for an input voltage of 3 AC 380–480 V at 50/60 Hz. The documented rated output current is 13.2 A, with an assigned rated power of 5.5 kW. This makes the unit suitable for machine axes, pumps, fans and other drive applications requiring precise vector-based control. The compact design has an IP20 protection rating and measures 135 mm in width, 425 mm in height and 350 mm in depth. The documented weight is 12.5 kg. In the SIMOVERT parameter sequence, PWE value 18 is assigned to this version. The -Z suffix remains part of the complete device designation. Specific Z options are not guaranteed by the shop and are confirmed against the actually available unit before an order is placed. For replacement, the rating plate, supply voltage, output current, power class, design, device version and existing parameter settings should therefore be compared together. The 6SE7021-3EB61-Z is intended for maintenance professionals and machine operators who require a clearly identified MASTERDRIVES VC converter for an existing system. Its Vector Control platform supports demanding speed and torque applications, while the compact enclosure is intended for protected mounting in an industrial control cabinet. The combination of the 380–480-V class, 13.2 A and 5.5 kW distinguishes the unit from adjacent 6SE70 power classes and supports reliable technical assignment when sourcing a replacement.

Siemens 6SE7021-3EB61

Specifications

Manufacturer Siemens
Product series SIMOVERT MASTERDRIVES Vector Control
Manufacturer / order / identification number 6SE7021-3EB61
Device type AC-AC frequency converter, compact unit
Control method Vector Control
Rated input voltage 3 AC 380–480 V
Input frequency 50/60 Hz
Rated output current 13.2 A
Rated power 5.5 kW
Protection rating IP20
Dimensions (W × H × D) 135 × 425 × 350 mm
Weight 12.5 kg
Parameter value PWE 18
Design / device version Version A
Control cabinet with PLC modules and automation components
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Product safety

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FAQ

Frequently asked questions

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What are the electrical ratings of the Siemens 6SE7021-3EB61?

The compact converter operates on 3 AC 380–480 V and 50/60 Hz. It delivers a rated output current of 13.2 A at a rated power of 5.5 kW.

What does the -Z suffix mean for Siemens 6SE7021-3EB61-Z?

The -Z suffix remains part of the type designation. Specific Z options are not guaranteed by the shop and are confirmed against the actually available unit before an order is placed.

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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