Siemens 6ES5 521-8MA21Refurbished


Need Help? To replace or repair your 6ES5 521-8MA21 contact us today: rfitzgerald@yorkscientific.com or call Ryan Fitzgerald at (212) 772-6992 ext. 704

Siemens 6ES5 521-8MA21 In Stock

We have available in stock qty 2 of the 6ES5 521-8MA21 original equipment by Siemens, in stock for delivery to your location. This original Siemens OEM spare is refurbished and in excellent working condition. We may have additional and new units in stock as well. To receive an online quote or obtain additional information simply click here. Qualified York technicians are standing by to assist you.


Support for your Siemens 6ES5 521-8MA21

Have a defective unit in need of service or repair? In addition to stocking the Siemens 6ES5 521-8MA21 spares, we also provide Siemens services on the 6ES5 521-8MA21 and related equipment. We offer Extended Warranty plans for your Siemens 6ES5 521-8MA21 as well as Maintenance and Support contracts. For a Siemens warranty or support plan to fit your requirements, send an email to rfitzgerald@yorkscientific.com or call Ryan Fitzgerald at (212) 772-6992 ext. 704


Repair + Rebuild Services for your Siemens equipment

We service and repair Siemens 6ES5 521-8MA21 and related systems and components, including severely damaged and defective units. Our services for the Siemens 6ES5 521-8MA21 include diagnostic evaluation, troubleshooting, component and board level repair, as well as complete rebuilding of the 6ES5 521-8MA21 if necessary. Expedited handling of our evaluations and repairs are included as a standard service for all our clients. All our 6ES5 521-8MA21 repairs include a 1 year warranty, covering both parts and labor.

To receive a quote to repair your defective Siemens unit(s) simply complete this online form, email rfitzgerald@yorkscientific.com or call Ryan Fitzgerald at (212) 772-6992 ext. 704


Assistance needed with related items Siemens 6ES5 521-8MA21?
Some of the related motion controls products we support:
Fanuc A05B2452D350 Siemens 6fc54030aa200aa0version05
Fanuc A20B33000282 Siemens 6ES55218MA21
Fanuc A16B2201008006A Siemens 6ES58150UA12
Xycom 94600102140011002 Siemens 6ES53105AA12
Fanuc A05B20120056 Siemens 6ES76352EB020AE3


We stock a large inventory of Siemens industrial automation systems and parts.
We repair, service and calibrate most Siemens models of equipment.
We ship Siemens replacement parts worldwide, with expedited shipping for your urgent Siemens requirements


For immediate assistance click here for quick online help
or contact our Automation & Controls team:

Mr. Ryan Fitzgerald
Director, Industrial Automation & Controls Service Team
rfitzgerald@yorkscientific.com
(212) 772-6992 ext. 704


Our staff at York Scientific is dedicated to help you succeed with all your mission-critical Siemens Industrial Automation equipment needs.

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York Scientific Motion Control + Automation items: Featured for 2025 we have Fanuc Brand A02B0080C142 in stock, original and quality replacement parts available for immediate shipment. Spare units by Siemens such as 6FC36783EF equipment made by Siemens have been added to our featured items. As a tip, you can find the entire Siemens products line-up in our inventory by simply searching for "Siemens" in the search box. Due to increase in client demand we have now also available 97J151DML041 made by Ono-Sokki as well as the popular A20B2002047010B original spares produced by Ge

Servo VFD Drives, Electrical Contactors, and Motor Rewinding and Rebuilding. Extended service capabilities are now online at our facilities to do complete overhauls of industrial electric motors and spindles. Our industry leading repair services to adhere to the OEM's specifications. Complete overhaul rebuilds include motor bearing replacement, stator rewinding, and rebalancing. Additional overhaul and rebuilding capabilities of products such as the 6ES76452BB300CA0 by Siemens and 6FC36783EF spares by Siemens are also now also our York Scientific's line-up of service offerings. This also includes the original 7658416 Spares made by leading motion controls manufacturer Uticor.

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York Controls features all makes and models of industrial automation systems & parts.

York Controls repairs, services and calibrates every brand and model of equipment.

York Controls ships worldwide, with expedited shipping available for all your urgent requirements.

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