3500A 43V Electroplating Rectifier Power Supply

» Product Description

Used extensively in manufacturing, electroplating applies micron-scale metallic coatings through controlled electrolytic reactions, improving both functional properties (e.g., abrasion resistance in engine components) and decorative finishes (e.g., jewelry gold plating).Widely used processes include copper, nickel, and hard chrome plating, with advanced systems like ​Polarity Reversing Electroplating Rectifiers enabling precise control for complex geometries. These rectifiers dynamically adjust current polarity, improving adhesion on ABS plastics and intricate automotive components.

The electroplating setup requires a cathode (substrate), anode (metallic or inert), electrolyte solution, and DC power supply. Modern ​Polarity Reversing Electroplating Rectifiers outperform traditional units by integrating bidirectional current control, achieving ±0.5% voltage stability for uniform chromium deposition. Their adaptive waveforms reduce hydrogen embrittlement in hard chrome plating while maintaining 98% energy efficiency, making them indispensable for high-volume PCB manufacturing and decorative gold/silver coatings.

In automotive applications, ​Electroplating Rectifiers optimize corrosion-resistant zinc-nickel alloy layers on engine parts, extending service life by 40%. The technology also supports aerospace fastener coatings, where periodic polarity reversal ensures micron-level thickness consistency. By minimizing material waste and process time, these systems exemplify innovation in sustainable surface treatment solutions.

» Product Applications

Plating rectifiers support surface treatments like PCB electroplating, hard chrome coating, and metal plating (Cu, Ni, Zn, Au, Ag).

1.Field application diagram：

2.Industry application examples:

» Technology Advantages

Electroplating Rectifier Features

› Energy Efficiency
Converts AC to DC with minimal energy loss, cutting costs for large-scale operations.

› Stable Output
Maintains stable voltage/current under load changes, ensuring even coating thickness.

› Customizable Waveforms
Adjusts pulse width, frequency, and duty cycle to match specific plating needs (e.g., pulse plating for microelectronics).

› Easy Controls
User-friendly controls (manual or automated) enable quick parameter adjustments for precision.

These features ensure reliable, high-quality plating with minimal waste.

» Role of electroplating

Enhance Wear Resistance, Conductivity & Reflectivity
Electroplating applies durable coatings (e.g., nickel or chromium) to surfaces, reducing wear from friction. This extends the lifespan of industrial tools and engine parts. For electronics, smoother conductive layers (like copper plating) improve current flow, minimizing energy loss. Metals like silver and chromium also boost reflectivity, ideal for mirrors, solar reflectors, and precision optics.

Improve Corrosion Resistance & Aesthetics
The process shields materials from rust, moisture, and chemicals. For example, zinc-plated bolts resist weathering, while chrome-plated car bumpers stay rust-free for years. Decorative finishes—gold-plated jewelry or matte-black plated gadgets—merge style with protection.

Dual Benefits
Electroplating isn’t just functional. It adds value:

• Car parts gain sleek chrome finishes.
• Circuit boards maintain stable conductivity.
• Jewelry combines luxury with tarnish resistance.

Electroplating boosts both performance and visual appeal, making products last longer and look better.

» Types of electroplating

› Copper Plating

Purpose: Enhances adhesion for subsequent layers and corrosion resistance.

Note: Prone to oxidation (forms non-conductive copper oxide/green patina). Requires protective coatings.

​› Nickel Plating

Purpose: Used as a base layer or decorative finish; improves corrosion/wear resistance. Electroless nickel offers chrome-like durability.

Note: Magnetic properties limit use in electronics (e.g., DIN/N connectors) to avoid signal interference.

​› Gold Plating

Purpose: Optimizes conductive contact impedance and signal transmission.

Key: High stability but costly.

​› Palladium-Nickel Plating

Purpose: Superior signal transmission and wear resistance vs. gold.

Advantage: Combines palladium’s corrosion resistance with nickel’s hardness.

​› Tin-Lead Plating

Purpose: Improves solderability.

Trend: Phased out due to lead concerns; replaced by bright/matte tin alternatives.

​› Silver Plating

Purpose: Best conductivity and signal performance.

Note: Conducts even when oxidized but tarnishes over time. Higher cost.

​Selection Criteria

Match plating type to application needs: corrosion/wear resistance, conductivity, cost, and environmental regulations.

» Elements of Electroplating

› Cathode
The object to be plated (e.g., connector terminals or metal surfaces) where metal ions deposit into a solid coating.

› Anode

• ​Soluble Anode: Made of the plating metal. Dissolves during electrolysis to replenish metal ions in the solution.
• ​Insoluble Anode: Used for precious metals (e.g., white gold, iridium oxide). Does not dissolve but supplies electrons for reduction.

› Plating Solution
Contains ions of the target metal. Composition and concentration determine coating thickness, adhesion, and appearance.

› Plating Tank

• Materials: Must resist corrosion and temperature fluctuations (e.g., polypropylene, titanium alloys).
• Role: Stores solution and maintains stable plating conditions.

› Rectifier

• Converts AC to DC power to drive electrolysis.
• Adjust voltage/current to control deposition speed and coating thickness.

› Auxiliary Equipment

• ​Filters: Remove impurities from the solution.
• ​Heaters: Maintain solution temperature.
• ​Stirrers: Ensure uniform mixing.

» Component Part for Electroplating

» Cooling Type for Electroplating

Air Cooling:Heat dissipation fan + air duct + comb heat sink

Water Cooling：Built-in water circulation line

» Technical Parameters

Characteristic Types	Parameter Items	Technical Requirements
Power Types	Power types	High-frequency Switching Power Supply
	Model and specifications	TDFB-3500A/43V
	Cooling mode	Air-cooled
	Switch tube type	IGBT
	Rectifier type	Diode rectification
Input Characteristics	Rated Input Voltage	Three-phase,AC480V±10% ,60HZ
	Rated Input Power	176KVA
	Rated Input Current	212A
	Input Power Factor	COSΦ≥0.95
	Circuit breaker	3P-300A
Output Characteristics	Output Voltage	DC 0～43V
	Output Current	DC 0～3500A
	Stabilized Current Precision	≤1%（Rated Current)
	Stabilized Voltage Precision	≤1%
	According to accuracy	1A，0.1V
	Current ripple factor	≤3%（I≥50%Id）(Id: Rated Current)
	Rated Output	η≥90%
Environmental Conditions	Installation site	Indoor installations
	Altitude	≤2000m
	Ambient temperature	-20℃～40℃
	Relative humidity	≤90％
	Dust gas	No influence
Control Mode	Operating mode	Touch screen control
	Display mode	Digital display
	Accommodation mode	Digital Regulation
	Soft start	Yes
	Remote Communication	MODBUS（TCP/IP）
Power Unit	Power Unit	Using five 700A/43V power supply
Main Body Structure	Main body structure	Structure of vertical combined cabinet
Weight	Net weight	About 775KG
External Dimension	Height*Width*Depth	H1725mm×W983mm×D1200mm(The actual value is subject to the agreement)
Input Cable	Copper wire	3*95mm²+50mm²
Output Electrical Connections	Made of Cu	Made of Cu
Protection Characteristics	Self-protective function under the abnormal situations such as over/Low-voltage, over-current, default phase，short circuit, overheating and so on
Other Characteristics	Insulation class	B level
	Protection class	P20
	Noise	≤75dB
	Operational State	Operational State Products can be continuously full-load operated

» Solution

Liyuan will keep up with the world’s latest technology closely, and uphold the concept of providing customers with high-quality power supplies and professional integrated services. With advanced design and rich experience in rectifier manufacturing, we will provide the best power solutions as well as the most stable and efficient power supply for users both at home and abroad.

» Technical Capability

LIYUAN rectifier is the most competitive brand in China Company relies on strong technology research and development cooperation basis, created a number of advanced technology, in recent 3 years amounted to more than 30 to apply for a patent, which has nearly 10 patents of invention. Equipped with the national electric power transformation and control engineering technology research center (branch), and has set up a loan enterprise academician workstation. Strict implementation of ISO quality management system, and through the CE safety certification, has been implementing ERP management for many years, to achieve the network, systematic computer control, the formation of a standard, efficient modern management system.

» Qualification certification

Liyuan adhere to innovation and the continuous improvement of power conversion efficiency and product quality. The increasing R&D investment every year, and cooperation with China’s well-known universities, we has established the research center of national electric power conversion and control engineering technology. Especially the related core patents of high-power synchronous rectifier power supply, stay ahead of the whole industry in China. The ISO 9001 quality management system has been fully implemented in Liyuan, including quality inspection of components in warehouse, production process inspection, and final product inspection.

We adopt advanced scientific quality management system and the most stringent testing methods in the whole process to ensure the stability and reliability of products.

» Service

› Packing

1.Small size rectifier packing in carton box separately.

2.Large size rectifier will be packed in wooden case.

3.We guarantee that all the packing is intact when it reaches its destination.

› Shipping

1.30-45 Days after payment.

2.Transport: DHL, FEDEX, UPS, Air shipping, Boat shipping

3.You may choose our shipping partner or your own partner.

› Maintenance

We are pleasant to share our theory and experience on equipment maintenance with users. We are pleasant to interact with users to collect their tips and know-hows on equipment maintenance. The module “Maintenance” here is intended to help users solve various problems they possibly encounter during equipment maintenance… If you need other power electroplating rectifiers, we can custom design them according to customer requirements. Please contact us.

Seeking 3500A 43V electroplating rectifier power supply? Liyuan Haina Group, a professional manufacturer with 27+ years specializing in industrial rectifiers, supplies global clients including the US, Japan, UAE, etc. Our advanced factory delivers cost-effective Made-in-China solutions, with competitive prices and customizable options. Contact us for sales inquiries.