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Combined wire

    Combined wire is a certain number bare or enameled copper rectangular conductors overlapped in a column meanwhile wrapped continuously and tightly by multil-electrical insulating papers.

Detailed Introduction

Product introduction

Combined wire has the advantages of high mechanical strength, good conductivity, strong corrosivity resistance, etc. which significantly improves the power transmission efficiency and useful life. It is mainly used for power transformers, traction transformers and distribution transformers.

Product features

✶ Conductor dimension precision  A: ±0.005mm    B: ±0.01mm
✶ Yield strength (Cu) 80-240N/mm²    Yield strength (Al) 60-90N/mm²
✶ Accurate in shape and size
✶ Proper tightness of wrapping
✶ More than 8000 meters without joint

Product categories

✶ Wide sides overlapping combined wire
✶ Wide sides overlapping combined edge-wise wire
✶ Wide overlapping and parallel combined wires
✶ Narrow sides overlapping combined wire


Wide overlapping and parallel
combined wires

Wide sides overlapping
combined wire

Wide sides overlapping combined
edge-wise wire

Narrow sides overlapping
combined wire

Insulation material

Power cable paper, high density insulation paper, Thermal upgraded paper, high elongation fiber paper, aromatic polyamide paper (Nomex) , PET film
Users can specify the brand, model and specification of insulation materials

Technical parameters

Parameters Bare wire combined Paper covered enameled wire / Enameled wire combined
thickness (single)(mm) 1.00~8.00 1.0~5.600
width (single)(mm) 4.00~20.00 2.00~18.00
width-to-thickness ratio (single) ≤20  
number of conductors 2~4 2~3

Combined wire data sheet

Remark: Cu and Al universal

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