Reliance 78439-RRefurbished


Need Help? To replace or repair your 78439-R contact us today: rfitzgerald@yorkscientific.com or call Ryan Fitzgerald at (212) 772-6992 ext. 704

Reliance 78439-R In Stock

We have available in stock qty 1 of the 78439-R original equipment by Reliance, in stock for delivery to your location. This original Reliance 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 Reliance 78439-R

Have a defective unit in need of service or repair? In addition to stocking the Reliance 78439-R spares, we also provide Reliance services on the 78439-R and related equipment. We offer Extended Warranty plans for your Reliance 78439-R as well as Maintenance and Support contracts. For a Reliance 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 Reliance equipment

We service and repair Reliance 78439-R and related systems and components, including severely damaged and defective units. Our services for the Reliance 78439-R include diagnostic evaluation, troubleshooting, component and board level repair, as well as complete rebuilding of the 78439-R if necessary. Expedited handling of our evaluations and repairs are included as a standard service for all our clients. All our 78439-R repairs include a 1 year warranty, covering both parts and labor.

To receive a quote to repair your defective Reliance 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 Reliance 78439-R?
Some of the related motion controls products we support:
Siemens 6DD16820CC0 Siemens 6DD16880AE0
Robicon 463666 Sigma 6HX4C25000SSIL
Square-D GT918 Siemens 6DD16820BB0
Sun-Electric 21395005 Schmersal AES123524VDC
Sti MC6DC1016SC1 Schweitzer 0787EX1ACA6X75850211


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

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Winter 2025 & Q1 Developments in Industrial Automation - expanded product offerings and enhanced services at York Controls!

York Scientific Motion Control + Automation items: Featured for 2025 we have Schleicher Brand SN0300217 in stock, original and quality replacement parts available for immediate shipment. Spare units by Reliance such as 64418RS equipment made by Reliance have been added to our featured items. As a tip, you can find the entire Reliance products line-up in our inventory by simply searching for "Reliance" in the search box. Due to increase in client demand we have now also available 3000T made by Teledyne as well as the popular 16MB1A1 original spares produced by Warrick

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 170000001100 by Ultratest-International and 64418RS spares by Reliance are also now also our York Scientific's line-up of service offerings. This also includes the original XPSAF5130 Spares made by leading motion controls manufacturer Schneider.

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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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