QE-SYHM-W Series

Stable water-cooled rectifier engineered for long-term, heavy-duty plating lines.

Water Cooled Modular Rectifier

Water Cooled Cooling
FI (Fully Insured) Control System

Key Applications

Electrolysis
Electrolytic Copper Foil
Electrolytic Aluminum Foil
Plating
Metal Plating
Chrome Plating
Anodizing
Any requiring large currents
Proven solutions across diverse electroplating industries

Advanced Features

Engineered for excellence with cutting-edge technology and precision manufacturing

Ultra-Stable Output for High-Current Continuous Plating
Feature 1

Ultra-Stable Output for High-Current Continuous Plating

Designed for high-current, long-duration electroplating processes, this water-cooled rectifier delivers precise current and voltage regulation with extremely low ripple. Stable output ensures uniform coating thickness, prevents burning and defects, and supports uninterrupted 24/7 production.

High Performance
Reliable Technology
Modular Design for Easy Maintenance and Scalability
Feature 2

Modular Design for Easy Maintenance and Scalability

Modular architecture allows quick replacement of functional modules without shutting down the entire system. This design reduces maintenance time, simplifies servicing, and supports future expansion or current upgrades as production demands increase.

High Performance
Reliable Technology
Fully sealed protection, flexible placement
Feature 3

The fully sealed structure reliably ADAPTS to harsh environments and significantly reduces installation and energy consumption costs

The product adopts a fully sealed structure and has a strict protection level, ensuring stable adaptation to various harsh industrial environments with high humidity, much dust, and acidic or alkaline gases. The power supply can be directly installed on the side of the electroplating tank, significantly reducing the connection distance between the copper bar and the cable. This not only saves materials and wiring costs but also reduces line losses and enhances overall energy efficiency. The internal circuit boards are fully coated with anti-acid and anti-fog three-proof glue, effectively resisting environmental corrosion, extending the lifespan of core components, ensuring the long-term stable operation of the equipment, and reducing maintenance frequency.

High Performance
Reliable Technology
Cutting-edge synchronous rectification technology, with energy saving as the top priority
Feature 4

The patented synchronous rectification technology significantly reduces long-term electricity costs with ultra-high energy efficiency

The full synchronous rectification technology uses high-performance, low-on-resistance MOSFETs as rectifying devices, with a conversion efficiency that can reach up to 93%, showing excellent performance in energy saving and electricity conservation. An integrated electricity meter can also be optionally installed to accurately calculate the energy-saving efficiency. The patented synchronous module components, intelligent driving and protection circuit boards are electrically connected with MOSFET chip arrays, achieving real-time feedback and dynamic balance, effectively reducing circuit losses and ensuring overall efficiency. Compared to traditional high-frequency switching power supplies and SCR rectifiers, the efficiency can be increased by 12%~20%.

High Performance
Reliable Technology
Advanced Water-Cooling System for Thermal Stability
Feature 5

Advanced Water-Cooling System for Thermal Stability

The efficient water-cooling structure rapidly dissipates heat from power components, maintaining stable internal temperatures even at high current output. This minimizes thermal stress, protects critical components, and ensures long-term stable operation.

High Performance
Reliable Technology
No-delay hot backup technology
Feature 6

The no-delay hot backup technology ensures the continuous operation of the electroplating production line and the stability of the process

It adopts a hot backup solution without system delay and supports multiple power supplies to work in parallel at the same frequency and phase. When any unit in the system malfunctions, the remaining units can quickly replenish the output current and restore it to the set value within 30 milliseconds, achieving a true "zero shutdown" switching. This technology effectively prevents production line interruption, uneven coating or batch scrapping caused by power failure. It is especially suitable for PCB, hardware and high-end decorative electroplating scenarios with extremely high requirements for continuity and stability, ensuring your production efficiency and product consistency.

High Performance
Reliable Technology
Hot maintenance without downtime
Feature 7

The N+X redundant thermal maintenance system ensures zero interruption in continuous production

The N+X intelligent redundancy backup solution is adopted. When any module fails, the system automatically isolates it and the remaining modules immediately share its output load to ensure that the total voltage and current remain stable. The faulty module supports online hot-swappable replacement without the need to shut down the machine for maintenance, which greatly enhances the overall reliability of the system, ensures the continuous and stable operation of the electroplating production line, and effectively avoids the risks of production interruption and batch scrapping caused by power failure.

High Performance
Reliable Technology
High-Efficiency Power Conversion
Feature 8

High-Efficiency Power Conversion for Lower Energy Cost

Advanced power conversion technology improves overall efficiency and reduces energy loss during high-current operation. This helps electroplating factories significantly lower electricity consumption over long production cycles.

High Performance
Reliable Technology
High-precision integrated control motherboard
Feature 9

High-precision integrated control mainboard ensures stable output and system reliability

It adopts a high-density intelligent control mainboard and integrates comprehensive circuit protection functions to ensure that the core components of the power supply always operate stably within a safe range. In combination with a fully digital networked control system, it achieves a high degree of stability in current output, fundamentally reducing quality issues such as uneven coating and color difference caused by current fluctuations. This design not only significantly enhances the reliability of the power supply, but also provides a solid control foundation for continuous precision electroplating, ensuring product yield and consistency.

High Performance
Reliable Technology

Technical Specifications

Precision-engineered parameters for optimal performance and reliability

Parameter Value Unit Note
Input Voltage
3-Phase 380VAC ±10% - -
Voltage Regulation Accuracy
1% or Less - -
Steady Flow Accuracy
1% or Less - -
Power Factor
PF ≥ 0.95 (Under Rated Working Conditions) - -
Regulation Mode
RS485 Communication, Remote Controller - -
Protection Mode
Over Temperature, Over Current, Lack Of Phase - -
Conversion Efficiency
93% (Under Rated Conditions) - -
Place of Use
Indoor, No Direct Sunlight - -
Altitude
Below 3000m - -
Output Voltage
0–12V Adjustable Linear - -
Output Current
0–20000A Adjustable Linear - -
Temperature Environment
-20°C ~ +45°C - -
Control Mode
CC & CV - -
Current Ripple
1% or Less - -
Expert Consultation

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Quality Certified

Dimensional Specifications

Precise measurements for optimal installation planning

Model Width (mm) Depth (mm) Height (mm) Notes
4000A–6000A / 0V–12V 473 676 729.2
6000A–9000A / 0V–12V 493 1009.9 984.8
9000A–12000A / 0V–12V 493 1009.9 1307.8
Innovation Excellence

QEEHUA's Solutions

QEEHUA stays at the forefront of global technological advancement, committed to providing customers with high-quality power supplies and professional integrated services.

With advanced design and extensive rectifier manufacturing experience, we deliver optimal power solutions and the most stable, efficient power supplies for our users.

Technical Highlights

High-Efficiency Rectification

Next-generation IGBT modules with advanced circuit design achieve >95% conversion efficiency and only 0.1-0.2V voltage drop

Precision Output Control

Voltage and current regulation accuracy both exceed <1%, ensuring consistent current density during electroplating

Fully Digital Intelligent Platform

Supports RS485/232, Modbus communication interfaces for remote control and real-time monitoring

Advanced Thermal Management

Water-cooled and air-cooled series optimized for different power requirements with compact structure and high power density

Core Applications

Electrolysis
Electrolytic Copper Foil
Electrolytic Aluminum Foil
Plating
Metal Plating
Chrome Plating
Anodizing
Any requiring large currents

Key Technical Parameters

Industry-leading specifications for superior performance

93%
Conversion Efficiency
Energy Optimization
1%
Current Ripple
Output Stability
Multi-Protocol
Communication
Industrial Connectivity
Intelligent
Control System
Smart Management

Technical Resources

Complete documentation and support materials

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Available Resources:

Technical Drawings & Assembly Specs
Product Catalogs & User Manuals

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Tailored Engineering Excellence

Custom Engineering Solutions

Every electroplating challenge is unique. Our engineering team collaborates with you to design and deliver precision-crafted solutions that exceed your specific requirements.

Precision Engineered for Your Success

*Specifications can be customized according to the needs of the service

Our Engineering Process:

1
Requirements Analysis & Consultation
2
Custom Design & Simulation
3
Prototyping & Testing
4
Production & Quality Assurance

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