We can manufacture the complete coil for the QEG Generator. Please call us for pricing and delivery.
At Torelco, Our Engineering Staff Will Help With Reverse Engineering Or Rebuild All Types Of Magnetics.



Since 1962 the industry has known Torelco as a partner that supplies toroids of superior quality, shipped to you with flawless adhesion to delivery schedules. Toroids from .093 inside diameter to 15 inches outside diameter can be wound using wire sizes from 7 AWG through 46 AWG in open or cased styles, varnish or epoxy encapsulated.

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Toroid Coil Winding, Toroid Coil BOBBINS

Torelco is equipped to fill your requirements for bobbin wound devices with the same attention to quality and service that the industry has come to expect from our toroid line. Please give Torelco the opportunity to quote on E-I laminated, ferrite core and all other styles of custom bobbin wound magnetic devices.



Toroid, Toroidal Coil Winding

Toroids are the driving force in industrial relays. Toroids and toroid wound coils are the key to keeping things moving. 

If you are looking for toroids, toroid coils, or ferrite toroid winding, toroid transformers, toroid coil winding or a toroid winding company, you've come to the right place. We provide all facets of small magnetic winding. Torelco, located in Alpha, NJ specializes in custom toroids, custom coil winding, custom toroid winding & custom solenoid coils. Call Torelco about your toroidal need today!


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Toll Free: 1.800.867.3526 | Phone: 1.908.387.0814 | Fax: 1.908.387.0817 | Email: General Inquiries.

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What Are Toroids?

A toroid is a coil that has insulated (or enameled) wire. The wire is wound onto a donut shaped form, which happens to be constructed from powdered iron. This product is used as an inductor for electronics. We recognize that different toroids are needed for different jobs (size, materials, and voltage), and so we sell many different types of products.

Toroids and toroid wound coils are the key to keeping things moving. The toroid with its creation of movement still has a useful purpose in today's technology. 

Customized Toroids

As technology becomes more advanced, the need for custom toroids becomes that much more necessary. Toroids allow for devices to run safely, quietly, and efficiently. Considering that most devices are different, toroids must be unique and highly customizable.

Toroids and Practical Applications

Multiple applications use toroids. Any electronic application can utilize toroidal transformers. The toroids are used to step down or step up a voltage. Circuits, such as power supplies, amplifiers, and inverters, use toroids. Additionally, electrical equipment, such as computers, televisions, audio systems, and radios, use toroid coils.

For all your toroid needs, please do not hesitate to give us a call. Our engineers are ready to help you custom create toroids and bobbins for almost any application and devices.