Explore our core selection of heavy-duty winding and magnetic conductors. High thermal resistance and mechanical strength guaranteed.
Delivering high-voltage withstand capability, excellent thermal stability, and low dielectric loss in demanding environments.
Within high-performance industrial magnetics, a wire diameter of 3/32 inch (equivalent to approximately 2.38mm or AWG 11 / SWG 13) marks a critical transition point. It represents a boundary where the electrical current density requirements demand structural integrity that thinner gauge wires cannot support, yet still retains the bending flexibility needed for sophisticated compact stator wind patterns.
By applying specialized multi-layered polymeric coatings (such as Polyurethane, Polyesterimide, and Polyamide-imide), Suzhou Daiming guarantees that our 3/32" enameled wires maintain extreme resistance against corona discharges, thermal spikes, and chemical solvents.
These features are vital for key power grids, oil-immersed transformers, high-speed rail motors, and clean-energy generation plants where downtime is not an option.
Insulation Classes: Class 155 (F), Class 180 (H), Class 200 (N), and Class 220 (C/HC).
Enamel Polymers: PEW (Polyester), UEW (Polyurethane), EIW (Polyesterimide), AIW (Polyamide-imide).
Breakdown Voltage: Exceeds IEC 60317 standard specifications by up to 25%.
Thermal Shock Resistance: Exceptional stability up to 240°C depending on outer coating layers.
| Insulation Type | Thermal Index (°C) | Key Mechanical Properties | Primary Industrial Use-Cases |
|---|---|---|---|
| Polyurethane (UEW) | 155 / 180 | Excellent direct solderability, high winding flexibility | Small relays, precision coils, ignition coils |
| Polyesterimide (EIW) | 180 / 200 | High resistance to heat shock, mechanical wear and solvents | Heavy industrial motors, dry-type transformers |
| Polyamide-imide Overcoat (EIW-AIW) | 200 / 220 | Exceptional resistance to high-frequency voltage stress | 800V EV traction motors, high-speed generators |
| Paper / Fiberglass Wrapped Conductor | Up to 155 | Superior oil-absorptive insulation and mechanical damping | Power transformers, continuous transposed conductors (CTC) |
Our production facility spans a massive 258,333.33 ft² area, outfitted with 30 state-of-the-art automated enameled wire draw-and-coat production lines. By controlling the complete cycle—from high-purity copper/aluminum rod breakdown down to micron-level polymer curing—we achieve unparalleled uniformity in film thickness and concentricity.
Under strict ISO 9001 and IATF 16949 quality frameworks, Suzhou Daiming supplies premium magnetic wires to over 10 countries across Asia, Europe, and the Middle East. Whether you require flat (rectangular) profile enameled conductors or multi-strand transposed wires (CTC), our advanced engineering division stands ready to assist.
Unlocking systemic cost advantages, strict raw material sourcing, and unmatched supply chain responsiveness.
We source only high-purity electrolytic copper (purity ≥ 99.99%) and high-grade electrical aluminum. This secures minimal electrical resistance, optimal elongation ratios, and superior ductility during rapid winding operations.
Our plant handles round and flat profiles with extreme precision. We tailor the paint film thickness (Grade 1, 2, or 3) and enamel blends to match the precise requirements of your industrial design.
With an expansive storage footprint and 30 active production lines, we shield global procurers from supply shocks and raw material volatility, guaranteeing fast, on-time delivery across the globe.
Tested performance metrics built for rigorous industrial operating conditions.
Every spool passes through precise optical thickness sensors to guarantee a uniform and defect-free film layer. This ensures stable insulation resistance and high breakdown voltage levels.
Engineered to withstand high-frequency vibrations, heavy mechanical winding stress, and exposure to transformer oils or aggressive cooling agents.
We work beyond catalog standards to deliver customized wire diameters, dynamic temperature ratings, and custom-engineered insulation systems.
Our robust production capacity guarantees smooth, large-scale supply contracts for international buyers without unexpected lead-time disruptions.
All products are RoHS and REACH compliant, supporting green energy initiatives like low-emission electric vehicles and high-efficiency power grids.
Our high-performance enameled conductors are integrated into critical systems worldwide.
Stay ahead with the latest updates from the electrical materials manufacturing landscape.
With the rapid development of new energy and high-end manufacturing in 2026, cost control and quality assurance have become pivotal for global motor manufacturers. Discover how enameled aluminum wire options are bridging this gap.
Faced with operational challenges caused by raw material price fluctuations, copper-clad aluminum (CCA) enameled wire has become the preferred choice for motor manufacturers looking to reduce material costs without sacrificing performance.
Suzhou Daiming successfully dispatched high-performance continuously transposed conductors (CTC) to major energy enterprises in Turkey, assisting the region in upgrading its ultra-high-voltage power grids.
Premium grade CTC (Continuously Transposed Conductors), high-temp copper wires, and paper-covered conductors.
Get professional insights directly from our engineering team regarding selection, manufacturing standards, and applications.
A 3/32 inch wire has a nominal bare metal diameter of 2.381 mm (equivalent to AWG 11 or SWG 13). Depending on the required insulation grade (such as Grade 1, 2, or 3), the outer diameter with the enamel layer will be slightly larger. It is commonly replaced by standard metric 2.4 mm or AWG 11 magnet wires in custom transformer and motor wind patterns.
Enameled aluminum wire is specified primarily to reduce overall component weight and lower raw material costs. Aluminum is approximately 60% lighter than copper. It is ideal for high-power distribution transformers, automotive alternators, and certain household appliances where space limits are less critical, but weight and budget targets are tight.
These grades indicate the thickness of the cured polymer coating applied to the conductor. Grade 1 represents a standard single layer of insulation coating, Grade 2 is a double layer providing higher dielectric breakdown voltage, and Grade 3 is a triple layer designed to withstand extreme mechanical stress, high frequencies, and voltage surges, common in EV traction motor systems.
We use high-grade polyamide-imide (AIW) and polyesterimide (EIW) enamels. We apply multiple passes of coating, followed by controlled oven curing to achieve a uniform polymer matrix. This guarantees the wire maintains its electrical and mechanical properties even at prolonged operations up to 220°C.
Every production batch undergoes strict quality control. This includes testing for breakdown voltage, checking concentricity and film thickness, confirming thermal shock resistance, measuring elongation limits, and performing a springback angle test to ensure consistent performance on auto-winding machines.