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Supplier of the year

As voted for by the industry at the AEMT awards 2021

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Proud members of NHA, IHA, EASA & AEMT

Sharing cutting edge knowledge with the industry

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Quality

As an ISO 9001 assured company, we ensure that quality comes as standard

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Service

Providing unparalleled service to motor & generator manufacturers

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With over 50 years of valuable experience, we are one of the leading coil manufacturers in the world across various industries.

Why You Should Select Preformed Windings Ltd.

Why You Should Select Preformed Windings Ltd.


Operating from our two Rotherham, UK, facilities, Preformed Windings delivers high-quality, customized coil solutions with a focus on speed and quality. As members of EASA, AEMT, and NHA, we adhere to strict industry standards and have been recognized with AEMT’s Supplier of the Year award in 2021 and 2024. We continue to lead in high-voltage coil manufacturing, offering the industry’s lowest partial discharge and tan delta levels, backed by a 10-year performance guarantee. Our commitment to quality, rigorous testing, and top-tier materials ensures reliability, while our expanded manufacturing capacity – now 60% larger with a second facility opened in December 2024 – reinforces our dedication to innovation and strong partnerships.


Supplier of the year

Supplier of the year


In both 2021 and 2024, Preformed Windings was honored with the Supplier of the Year award by AEMT, recognizing our commitment to top-quality coils and services. We take pride in serving clients across diverse industries, including hydro, nuclear, oil & gas, industrial, and more, by providing high-quality components that seamlessly integrate into their operations and enhance performance. These accolades reaffirm our dedication to maintaining the highest standards and continually improving our work to deliver excellence for our customers.


Proud members of EASA, AEMT & NHA

Proud members of EASA, AEMT & NHA


Alongside our half a decade long expertise in coil manufacturing, we produce quality products by also strictly following the guidelines of the organizations EAST, AEMT, and NHA, of which we are proud members. Our team ensures the delivery of top-quality winding kits and high voltage coils to our customers by putting to use the sector’s best practices and improving our manufacturing according to emerging technologies.


Speed

Speed


The demanding and fast-paced sectors that we serve require prompt solutions. That’s why Preformed Windings Limited offers coils and windings in lead times measured in days, not in weeks. Our customer support is available 24/7 throughout the whole year and 95% of the time clients benefit from quotations within the same day of the inquiry. Contact us today and receive your high-voltage coils in a timely manner.


Quality

Quality


The quality of our products speaks volumes, as we’ve established ourselves as the largest independent coil manufacturer globally over the past half-century. We exclusively utilize the highest quality materials, meeting the rigorous demands of every sector we serve, to craft coils and windings capable of enduring the challenges of the work environment and standing the test of time. Preformed Windings Limited holds ISO 9001:2015 and ISO 14001:2015 certifications, further underscoring our dedication to quality and excellence.


Services

Services


As a leading coils and windings manufacturer in the world, we provide our services to motor and generator manufacturers and work as trusted partners to the largest OEM’s and rewind shops globally. We produce high-voltage coils and winding kits alongside each of them, as well as offer professional coil design and services in coil upgrades.

Our specialists can prepare budget quotes for you within 24 hours and then we can provide you with the final product in a timely manner, ensuring the prompt enhancement of your work process.


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