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Copper Bus

With low resistivity and large bending deflection, it is a high-current conductive product suitable for electrical projects including high and low-voltage electrical equipment, switch contacts, power distribution equipment, and bus ducts. It is also widely used in ultra-high current electrolytic smelting projects such as metal smelting, electrochemical processes, and electro-galvanizing applications.

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Technical Specifications

The following table presents typical technical specifications for the standard Copper Bus. Specifications may vary depending on operating conditions and system requirements.The product is designed to ensure stable electrical performance, durability, and safety in demanding industrial applications.

Model&Specification
Type		State		Size，mm			Name
TMR		O Temper (Fully Annealed)）		a:2.24-50.00 b:16.00-400.00			Flexible copper bus bars
TMY		H1 Temper (Hard)					Hard copper bus bars
Technical parameters
Items		Technical indexes					Testing standards
Dimensions		Meet Chapter 4.4 in GB/T 5585.1-2005					GB/T 4909.2-2009
Resistance		Meet Chapter 4.9 in GB/T 5585.1-2005					GB/T 3048.2-2007
Flatness(Y)	Flatwise	Size,mm			Flatness，mm		GB/T 5585.1-2005
		2.80≤a≤16.00			2
		50.00≤b≤150.00
		Other sizes			4
	Edgewise	≤5mm/1m
Bend test		Meet Chapter 4.8.2 in GB/T 5584.2-2009					GB/T 4909.6-2009
Mechanical properties		Type	Tensile strength		Elongation	HB	GB/T 4909-2009
		TMR	≥206MPa		≥35%	-
		TMY	-		-	≥65

Customization Capabilities

We provide highly flexible customization solutions for copper busbars to meet diverse requirements across power distribution, electrical equipment, and industrial applications. From material selection to precision processing, every stage is tailored to ensure optimal performance, reliability, and installation efficiency.

1. Material Grade Customization

We offer a wide range of copper grades, including high-conductivity electrolytic copper and oxygen-free copper. Material properties such as conductivity, strength, and thermal performance can be customized to suit specific electrical and environmental requirements.

2. Dimensional & Shape Flexibility

Copper busbars can be manufactured in various widths, thicknesses, and complex profiles. Whether flat, punched, bent, or CNC-machined structures are required, we ensure precise tolerances to meet different installation and design needs.

3. Surface Treatment Options

To enhance corrosion resistance and conductivity, multiple surface finishes are available, including tin plating, nickel plating, and silver plating. Surface roughness and coating thickness can also be tailored according to application conditions.

4. Insulation & Coating Solutions

We provide customized insulation options such as PVC coating, epoxy powder coating, or heat shrink tubing. These solutions improve safety, durability, and performance in demanding environments such as high humidity, high temperature, or chemical exposure.

FAQs

Q1: What are the main applications of copper busbars?

They are widely used in high/low-voltage electrical equipment, switch contacts, power distribution units, bus ducts, and ultra-high-current electrolytic smelting projects such as metal smelting, electrochemical production, and electro-galvanizing lines.

Q2: What are the key advantages of your copper busbars?

Our copper busbars feature low resistivity, high conductivity, large bending deflection, excellent mechanical strength, and stable long-term performance for heavy-duty and high-current working conditions.

Q3: Can you customize dimensions for copper busbars?

Yes, we support custom width, thickness, length, hole positions, bending shapes, and surface treatments to meet your installation and design requirements.

Q4: What surface treatments are available for copper busbars?

Common options include bare copper, tin-plating, silver-plating, nickel-plating, and anti-oxidation coating to improve conductivity, corrosion resistance, and service life.

Q5: Are your copper busbars suitable for high-current systems?

Absolutely. They are specially designed for ultra-large current conduction, making them ideal for power distribution, industrial electrolysis, smelting, and high-power electrical projects.