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IS 13730/IEC 60317 PART 31 ENDFGC (DCEN + CLHFG)
Engineered to handle the extreme electrical and mechanical demands of grid-scale power infrastructure, our Rational DC Enamelled + DFGC Copper Strips offer unparalleled insulation security. This specialized rectangular conductor combines a high-dielectric base enamel coat with a rugged outer double-layer fiberglass weave. Purpose-built for industrial equipment prone to high running vibrations and massive thermal loads, these premium flat conductors prevent catastrophic shorts where conventional round winding wires fail.
Specifications
Material – 100% EC Grade High-Conductivity Copper
Conductor Type – Rectangular Flat Strip / Busbar Profile
Size Range – Cross-sectional area custom tailored to client engineering drawings
Insulation Type – Class H / C Heavy Industrial Blend (Up to 200°C)
Colour – Semi-Gloss Dark Amber with Textured Fiber Overlay
Insulation Material – Base Dual-Coat Polyester(imide) + Double Fiberglass Garment Covered (DFGC) braid bonded with High-Temp Varnish
Usage/Application – Power Distribution Transformers, Hydro/Hydro-Turbo Generators, Traction Motors, Large Welding Equipments, Industrial Electromagnets
Quality Maintain Every Time
Every linear meter of our rectangular conductor strip undergoes strict geometrical profiling to verify edge-radius smoothness and exact dimensional thickness. Because micro-burrs or loose fiberglass strands can compromise heavy electrical grids, we perform specialized varnish-impregnation bond testing alongside high-load mechanical bending trials. This ensures that the double fiberglass garment remains perfectly anchored to the base enamel without fraying or delaminating during the severe forming pressures of dense transformer coil production.
Rectangular Space-Factor Optimization
Maximize the magnetic efficiency of your high-voltage designs. Unlike round wires that leave gaps between individual turns, the flat rectangular footprint of these strips yields an incredibly dense coil configuration. This maximizing of the slot-fill factor inside core frames allows transformers and heavy alternators to achieve substantially higher power outputs and stronger magnetic fluxes within a significantly smaller and lighter equipment casing.
Two-Tier Shielding Against Severe Abrasion
Safeguard your assemblies from structural movement and high-amperage surges. The primary dual-coat enamel provides flawless base dielectric insulation, while the surrounding double fiberglass garment (DFGC) serves as a dense, shock-absorbing armour. This heavy-duty outer braiding effectively neutralizes the harsh frictional wear and physical scrapes that occur during high-torque automatic winding, as well as the constant operational vibrations of heavy industrial machinery.
Superior Thermal Dissipation and Chemical Stability
Prevent early insulation degradation caused by extreme operating environments. The underlying resin combined with heat-cured varnish-bonded fiberglass gives these strips exceptional resilience against continuous operating temperatures up to 200°C. Furthermore, this multi-layered insulation shield remains entirely non-reactive when submerged in transformer cooling oils, harsh refrigerants, or exposed to corrosive factory atmospheres, guaranteeing an exceptionally long service life.
