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Product description

The SEW-Eurodrive MXA81A-064-503-00 is a MOVIAXIS axis module for modular multi-axis servo systems. This exact version belongs to the MXA81A range with one safety relay and is built in size 5. The official system manual specifies 64 A rated output current at 8 kHz PWM and 85 A at 4 kHz PWM for this current class. Up to 160 A maximum current is available for dynamic load peaks. With a mains voltage of 400 V, the module operates with a rated DC bus of 560 V DC; a DC bus of 750 V DC is provided when used with an MXR supply and regenerative module. The output voltage ranges from 0 V to no more than the respective mains voltage. Short-term overload capacity is up to 250 % for a maximum of one second. As an axis module, the device supplies and controls one motor within a shared MOVIAXIS DC-bus system. This allows the axis to operate with further modules from the same platform in coordinated machine sequences without a separate supply for every axis. The MXA81A version with one safety relay achieves Performance Level d according to EN ISO 13849-1 when the manufacturer's conditions are observed. Only the complete type number MXA81A-064-503-00 is authoritative for a safe replacement. The current class, size, DC-bus configuration, PWM frequency, safety wiring, system bus, option cards, motor and encoder data, and the existing parameter set must also match. Versions with XSE24A, XGS11A or XGH11A identify additional options and must not be adopted without comparison. Before commissioning, the DC-bus wiring, earthing, motor connection, brake control, encoder assignment and safety circuit must be checked by qualified personnel according to SEW documentation.

SEW-Eurodrive MXA81A-064-503-00

Specifications

Manufacturer SEW-Eurodrive
Product series MOVIAXIS MXA81A
Manufacturer / order / identification number MXA81A-064-503-00
Device type Axis module for multi-axis servo systems
Size 5
Rated output current at 8 kHz PWM 64 A
Rated output current at 4 kHz PWM 85 A
Maximum output current 160 A
Rated DC bus at 400 V mains 560 V DC
Rated DC bus with MXR module 750 V DC
Output voltage 0 V up to maximum mains voltage
Overload capacity 250 % for maximum 1 s
PWM frequencies 4 kHz and 8 kHz
Safety version One safety relay
Performance Level PL d according to EN ISO 13849-1
Module role Single-axis control in the MOVIAXIS system
DC-bus system Shared DC bus
Base version Standard version -00
Control cabinet with PLC modules and automation components
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FAQ

Frequently asked questions

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What current ratings does the SEW MXA81A-064-503-00 provide?

The axis module provides 64 A rated output current at 8 kHz PWM, 85 A at 4 kHz PWM and up to 160 A maximum current.

What must be checked when replacing the MXA81A-064-503-00?

The complete type number, current class, size, DC-bus configuration, PWM frequency, safety relay, system bus, option cards, motor and encoder data, and parameter set must suit the existing MOVIAXIS system.

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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