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Coils rated Class 105–200 require winding materials engineered to support reliable electrical performance across a range of thermal and operating demands. Magnet wire is used to create the electromagnetic fields that enable coils to function in motors, transformers, solenoids, relays, actuators, sensors, and other critical electrical components.
From lower-temperature Class 105 applications to higher-temperature Class 200 designs, winding wire must support insulation integrity, heat resistance, dimensional consistency, and dependable performance through repeated operating cycles. Essex Solutions provides magnet wire engineered to help manufacturers build coils that meet application-specific requirements for reliability, efficiency, and long-term durability.
From lower-temperature Class 105 applications to higher-temperature Class 200 designs, winding wire must support insulation integrity, heat resistance, dimensional consistency, and dependable performance through repeated operating cycles. Essex Solutions provides magnet wire engineered to help manufacturers build coils that meet application-specific requirements for reliability, efficiency, and long-term durability.
Related Products
GP/MR-Extra®
GP/MR-Extra® is a 220°C copper magnet wire, 1-36 AWG, with polyester/polyamide-imide insulation, thermally upgraded for demanding applications.
GP/MR-200® - CU
GP/MR-200® - CU is a 200°C copper magnet wire, 4-33 AWG, with polyester/polyamide-imide insulation for severe and heavy-duty applications.
GP/MR-200® - AL
GP/MR-200® - AL is a 200°C/220°C copper and aluminum magnet wire, available in round and rectangular shapes, insulated with polyester/polyamide-imide for severe-duty applications and high thermal endurance.






