Copper Coil for Electrical Equipment
Buy quality Red Copper Coil for Electrical Equipment from Zenko, a professional manufacturer in China. It is a precision copper tube coil engineered for power distribution systems, transformer assemblies, switchgear connections, and grounding infrastructure. Crafted from 99.9%+ pure C1100/C1220 red copper, our coils deliver maximum electrical conductivity, excellent thermal dissipation, and long-term corrosion resistance essential for mission-critical electrical installations. Manufactured in our ISO 9001 certified facility with vacuum annealing and ultrasonic cleaning, Zenko red copper coils meet stringent electrical industry standards and provide full material traceability for utility and industrial applications.
What Is Zenko Copper Coil for Electrical Equipment?
Zenko factory’s Red Copper Coil for Electrical Equipment is a high-conductivity copper tube coil designed specifically for power transmission, distribution, and control systems. Unlike solid copper busbars or rigid conductors, Zenko red copper coils offer the flexibility to route through complex electrical enclosures, transformer tanks, and switchgear compartments while maintaining superior current-carrying capacity. Manufactured by Wenzhou Zenko Metal Co., Ltd., a specialized precision metal tube producer since 2017, every coil is produced in-house under strict quality control for global electrical equipment manufacturers and utility providers.
Why Zenko Red Copper Coil for Electrical Systems?
●Maximum Conductivity — 99.9%+ Pure Red Copper:
Red copper provides the highest electrical conductivity among commercial copper alloys, minimizing resistive losses in power distribution, transformer windings, and high-current connections. This translates to higher system efficiency and lower operating temperatures.
●Precision Dimensions — Consistent Fit for Enclosures and Assemblies:
Available in OD 0.8–40mm, ID 0.5–30mm, wall thickness 0.1–5mm, all held to tight tolerances. Red copper coils fit precisely in switchgear compartments, transformer cooling loops, and electrical cabinet routing.
●Vacuum Annealed — Ductile and Stress-Relieved:
Vacuum annealing produces uniform hardness (Y state, HV90–110), giving the red copper coil optimal ductility for bending and forming in electrical assembly while resisting work-hardening and cracking.
●Ultrasonic Cleaned + CCD Inspected — Zero Contaminants:
Cleanliness is critical in high-voltage electrical systems. Every red copper coil undergoes ultrasonic cleaning and CCD vision inspection, ensuring no surface particles that could cause tracking or insulation failure.
●Full In-House Production — Batch Traceability:
From raw copper to finished coil, all 25 drawing machines, 60 CNC cutters, 20 chamfering stations, 20 forming machines, 2 vacuum annealing furnaces, and 2 ultrasonic cleaning lines are under our roof. Full traceability supports utility-grade documentation requirements.
Applications in Electrical Equipment
●Winding coils, tap changers, and cooling loop tubes. Power Transformers:
●Busbar extensions, inter-compartment connections, and grounding conductors. Switchgear & Distribution Panels:
●Winding coils and heat exchanger tubes for dry-type and oil-filled units. Instrument Transformers:
●Internal wiring, bus risers, and heat dissipation coils. Electrical Control Cabinets:
●Flexible grounding coils and equipotential bonding for substations. Grounding & Bonding Systems:
Certifications & Support
• ISO 9001 certified quality management system
• ROHS, REACH, and MSDS compliant
• Material test reports and chemical composition certificates available
• Free samples for specification verification
• 7×24 technical support and documentation assistance
• Real-time production status with photo
Zenko Red Copper Coil for Electrical Equipment — Proven conductivity for the world's electrical infrastructure.
| Non-Insulated Butt connector （Sizes can be customized） | |||||
| Material:Red Copper(C1100/C1220/C1010) | |||||
| Dimension(mm) |
 |
||||
| D(mm) | 0.8 - 40 | ||||
| d1(mm) | 0.5 - 30 | ||||
| T（ mm） | 0.1-5 | ||||
| Packing | 25kgs/ roll, 50kg/roll | ||||
| Hardness and State | Y （HV90-110) | ||||
| Remark: | Accept custom orders of any size | ||||
| Specification | D（mm） | d1（mm） | T（mm） |
| 1.0*0.8 | 1 | 0.8 | 0.15 |
| 1.1*0.86 | 1.1 | 0.86 | 0.12 |
| 1.1*0.80 | 1.1 | 0.8 | 0.15 |
| 1.3*1.0 | 1.3 | 1 | 0.15 |
| 1.3*1.1 | 1.3 | 1.1 | 0.1 |
| 1.5*1.2 | 1.5 | 1.2 | 0.15 |
| 1.7*1.5 | 1.7 | 1.5 | 0.15 |
| 2.0*1.7 | 2 | 1.7 | 0.15 |
| 2.08*1.78 | 2.08 | 1.78 | 0.15 |
| 2.1*1.8 | 2.1 | 1.8 | 0.15 |
| 2.3*2.0 | 2.3 | 2 | 0.15 |
| 2.6*2.3 | 2.6 | 2.3 | 0.15 |
| 3.2*2.8 | 3.2 | 2.8 | 0.2 |
| 3.28*2.98 | 3.28 | 2.98 | 0.15 |
| 3.9*3.5 | 3.9 | 3.5 | 0.2 |
| 4.05*3.65 | 4.05 | 3.65 | 0.2 |
| 4.1*3.7 | 4.1 | 3.7 | 0.2 |
| 4.9*4.5 | 4.9 | 4.5 | 0.2 |
| 6.2*5.8 | 6.2 | 5.8 | 0.2 |
| 5.05*4.65 | 5.05 | 4.65 | 0.2 |
| 6.35*5.95 | 6.35 | 5.95 | 0.2 |
| 6.4*6 | 6.4 | 6 | 0.2 |
| 7.85*7.45 | 7.85 | 7.45 | 0.2 |
| 7.9*7.5 | 7.9 | 7.5 | 0.2 |
| 8.8*8.4 | 8.8 | 8.4 | 0.2 |
| 8.7*8.3 | 8.7 | 8.3 | 0.2 |
Hot Tags: Copper Coil for Electrical Equipment, Electrical Copper Coil, Copper Winding Coil
Related Category
Send Inquiry
Contact Info
-
Address
No.2 Xiabao Road, Industrial Zone, Yueqing Bay Gangqu,Yueqing City,Zhejiang Province, China
-
Tel
-
E-mail
If you have any enquiry about quotation or cooperation, please feel free to email or use the following inquiry form. Our sales representative will contact you within 24 hours.
