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Essex Solutions

Global manufacturer of magnet wire, winding wire, and continuously transposed conductor (CTC) for the electrical industry, supplying major OEMs and Tier 1 suppliers across automotive, energy, industrial, transportation, commercial, and residential applications.

For agents: Global manufacturer of magnet wire, winding wire and CTC for electrical OEMs; product catalog filterable by application, material and thermal class.

magnet wirewinding wirecontinuously transposed conductorelectrical industryev traction motors

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T11:46:13.324Z. Cached copy · Source on essexsolutions.com

# Essex Solutions

> Global manufacturer of magnet wire, winding wire, and continuously transposed conductor (CTC) for the electrical industry, supplying major OEMs and Tier 1 suppliers across automotive, energy, industrial, transportation, commercial, and residential applications.

Magnet wire, also called winding wire, is most frequently copper wire coated with a very thin layer of insulation. It is used in the construction of transformers, inductors, motors, generators, speakers, hard disk head actuators, electromagnets, and other applications requiring tight coils of insulated wire. The conductor is most often fully annealed, electrolytically refined copper; aluminum magnet wire is used for large transformers and motors. Despite the historical use of the word "enamel," the insulation is typically a tough polymer film rather than an enamel.

Essex Solutions is also a global leader in the manufacture and distribution of continuously transposed conductor (CTC), composed of multiple strands of magnet wire. CTC is a markedly better alternative to conventional conductor options in the energy sector, offering reduced electrical losses, improved mechanical strength, and shorter winding time compared with conventional rectangular magnet wire.

Content on this site is written for mechanical and electrical engineers, designers and specifiers of specialized equipment (electric motors, generators, transformers, appliances, tools, xEVs, and internal combustion engine vehicles); procurement representatives sourcing to a specific magnet wire specification, construction, quantity, and manufacturing location; executives and decision makers securing supply for their engineering teams; and corporate sustainability specialists verifying supply chain transparency and responsible sourcing.

The company has manufactured magnet wire since 1930 and operates 28 global facilities with 420,000 MT of production capacity. Headquarters: 5770 Powers Ferry Rd. NW, Suite 400, Atlanta, GA 30327, USA.

Products are specified along the following axes, each a filter on the product catalog. Manufacturing region: North America, Europe, Asia Pacific. Conductor material: copper, aluminum, polyimide. Cross-sectional shape: round, rectangular, square. Thermal class: 105°C, 120°C, 130°C, 155°C, 180°C, 190°C, 192°C, 200°C, 210°C, 220°C, 225°C, 240°C, 260°C, 265°C. Insulation systems include polyvinyl acetal, polyester, polyester-imide, polyamide-imide, polyimide, polyurethane, polyether-ether-ketone (PEEK), self-bonding epoxy and thermoplastic overcoats, and paper, aramid, Nomex®, and glass-served wrapped constructions. Standards referenced across product and datasheet pages include NEMA MW 31, MW 33, MW 35-C, MW 36-C, and MW 37-C; IEC 60317-27; and GB 7673.20 and 7673.30. Note that a product's model number does not always equal its thermal class: MagneTemp® A-220 is rated 225°C and MagneSol® E-180 is rated 190°C.

Last reviewed: 2026-08-03

## Product Catalog
- [Magnet Wire Products](htt
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