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Product description

Heidenhain 355253-01 is a KDR 150 three-phase commutation reactor designed as a system component for Heidenhain machine-tool converter systems. With a rated voltage of 3× 400 V AC and a rated current of 3× 72 A, it is intended for use with the UVR 150 D supply module. The reactor smooths DC-link current peaks and reduces commutation stress on the power semiconductors. Inductance is 1 mH, with power dissipation of approximately 350 W at rated operation. The open IP 00 construction uses natural-convection cooling and does not require a separate active cooling system. Heidenhain offers the KDR series for different power classes in Gen-3 drive systems; KDR 150 covers the middle range up to 80 A system current. Typical applications include machining centres, milling machines and lathes equipped with Heidenhain UVR or UM drive controls. At approximately 23 kg, the reactor requires a stable mounting point in the control cabinet. The Heidenhain 355253-01 supports both 50 Hz and 60 Hz operation, allowing use in European and non-European manufacturing environments. Before replacement, compare the complete 355253-01 type number, rated voltage, current, inductance and system compatibility. Available directly from our warehouse in Germany.

Heidenhain 355253-01

Specifications

Manufacturer Heidenhain
Product series KDR Series
Type code 355253-01
Product name Commutation reactor
Rated voltage 3× 400 V AC
Rated current 3× 72 A
Inductance 1 mH
Frequency 50/60 Hz
Power dissipation Approx. 350 W
Protection rating IP 00
Number of phases 3
Compatibility UVR 150 D converter module
Field of use Heidenhain converter systems for machine tools
Cooling method Natural convection
Weight Approx. 23 kg
Control cabinet with PLC modules and automation components
Machine downtime in a production environment

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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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