Water-Cooled Rectifier Introduction

The 4000A 20V water-cooled rectifier delivers high-current DC power for high-volume industrial anodizing operations. Specifically, this water-cooled rectifier is engineered for creating consistent, high-quality oxide layers on aluminum profiles, sheets, and components. Consequently, it enables superior corrosion resistance, enhanced durability, and uniform finish quality. Furthermore, this water-cooled rectifier supports continuous 24/7 production environments with its robust thermal management system.

Technical Specifications

Parameter	Specification
Input Power	480VAC/690VAC, Three-Phase, Custom Ultra-High-Current Design
DC Output	0-20V DC / 0-4000A
Voltage Stability	≤ ±0.5%
Current Stability	≤ ±0.8%
Output Ripple	≤ 1.5%
Control Interface	Plant-Wide SCADA Integration with AI Process Control
Special Features	16-Zone Dynamic Current Balancing, Predictive Energy Optimization, Real-Time Coating Analytics
Cooling	Water Cooling
Protections	Full-System Digital Twin Monitoring, Cascading Fault Containment, Grid Harmonic Mitigation (THD<3%)

Available Standard Models (Customizable) of Water-Cooled Rectifier

Anodizing Power Supply Model Selection (Any model can be customized)
General Anodizing Power Supply （Below 30V, with timer control head, for conventional anodizing）
Model	Output Current (A)	Output Voltage (V)	Power (KW)	Input Current (A)	Input Voltage (V)	Weight (KG)	W×L×H (mm)
YH200018	2000	18	36	60	380	50	400×500×630
YH300018	3000	18	54	90	380	70	400×500×630
YH300020	3000	20	60	100	380	100	500×620×1150
YH300024	3000	24	72	120	380	120	500×620×1150
YH400018	4000	18	72	120	380	120	500×620×1150
YH400020	4000	20	80	133	380	120	500×620×1150
YH400024	4000	24	96	160	380	120	500×620×1150
YH500018	5000	18	90	150	380	120	500×620×1150
YH500020	5000	20	100	167	380	120	500×620×1150
YH500024	5000	24	120	200	380	130	500×620×1150
YH600018	6000	18	108	180	380	130	500×620×1150
YH600020	6000	20	120	200	380	130	500×620×1150
YH600024	6000	24	144	240	380	180	500×620×1150
YH800018	8000	18	144	240	380	180	500×670×1450
Advanced Anodizing Power Supply （Above 30V, touch screen PLC control, for hard anodizing）
Model	Output Current (A)	Output Voltage (V)	Power (KW)	Input Current (A)	Input Voltage (V)	Weight (KG)	W×L×H (mm)
YY200040	2000	40	80	133	380	135	600×750×1300
YY200060	2000	60	120	200	380	150	600×750×1300
YY200080	2000	80	160	267	380	180	600×750×1300
YY300040	3000	40	120	200	380	200	600×750×1300
YY400050	4000	50	200	333	380	250	600×750×1300
YY400050	4000	60	240	400	380	250	800×1150×1300
YY500050	5000	50	250	417	380	300	800×1150×1300
YY500060	5000	60	300	500	380	300	800×1150×1300
YY600060	6000	60	360	600	380	300	800×1150×1300
YY600080	6000	80	480	800	380	300	800×1150×1300
YY5050	50	150	7.5	13	380	40	420×500×320

Power（KW） = Output Voltage（V） × Output Current（A）

We will provide:

The product comes with a one-year warranty and boasts a service life of over 10 years. It supports both Constant Current and Constant Voltage modes, and it also includes a programmable ramp-up function for current or voltage settings. For time-sensitive applications, you can use the timed operation mode. Moreover, the multi-segment function allows you to vary constant current or voltage levels over time. The device further offers an RS485 communication interface, automatic polarity reversal, and a minute-level timing function. If you need customization, please contact us for further details.

Hard Anodizing Power Supply — Touchscreen Control Unit

1.  ID

    Process/program number, used to select or switch between different stored recipes.

2.  Stage

    The current step number in a multi-step ladder process (supports up to 20 stages).

3.  Set_U

    Target set voltage value (DC 0–160V adjustable).

4.  Rise_T./sec

    Rise time (soft start time) in seconds, adjustable from 0–999 seconds.

5.  Keep_T./min

    Hold time in minutes/seconds, adjustable from 1–9999 seconds/minutes.

6.  Stage List (Set_I / Set_U / Rise_T / Keep_T)

    Parameter table for multi-step processes, supporting up to 20 stages. Each stage can be independently configured with target current, target voltage, ramp-up time, and hold time.

7.  RUN

    Start button to begin power output according to the selected process.

8.  OFF / CV

    - `OFF`: Stop button to halt power output.

    - `CV`: Constant Voltage mode for steady output voltage control.

9.  single stage

    Single-step mode, runs only the selected stage without multi-step cycling.

10. U/I curve

    Voltage/Current curve mode, controls the process primarily by current profile.

11. Power Good

    Power supply ready indicator, lights green when the unit is healthy and ready to start.

12. Menu

    Main menu button to access system settings, parameter configuration, fault logs, and stored recipes.

13. AH Reset

    Amp-hour reset button to clear the accumulated Act.AH value.

14. AH Show / Alarm Mode

    - `AH Show`: Amp-hour display toggle.

    - `Alarm Mode`: Configuration for fault response and alarm behavior.

15. Set AH

    Target amp-hour value for charge-based automatic stop control.

16. Act.AH

    Actual accumulated amp-hours (total charge consumed during the process).

17. Run Time

    Elapsed runtime timer for the current process.

18. U (Voltage)

    Real-time output voltage display (large digits, unit: V).

19. I (Current)

    Real-time output current display (large digits, unit: A).

Key Features of This Water-Cooled Rectifier

• Ultra-High Current Capacity: Firstly, this rectifier delivers 4000A at 20V. Therefore, it provides the power needed for ultra-high-volume anodizing operations. Additionally, it processes long aluminum profiles, large sheets, and multiple components simultaneously. Thus, it handles the most demanding production lines with ease.
• Precision Control for Consistent Quality: Secondly, the system offers ≤ ±1% control accuracy. Specifically, high-frequency switching enables fast response speed. Additionally, this water-cooled rectifier maintains precision throughout the entire process. Thus, users achieve consistent results batch after batch.
• Energy-Efficient Compact Design: Moreover, the unit features compact size and light weight. In fact, it is only 1/5 to 1/10 the size of traditional silicon-controlled rectifiers. Therefore, it reduces energy consumption significantly. Additionally, it occupies minimal floor space.
• Water-Cooled Reliability for Continuous Operation: Finally, the closed-loop water-cooling system manages substantial heat. Specifically, it handles high-power anodizing cycles over long durations. Therefore, this water-cooled rectifier ensures stable performance in demanding environments. Furthermore, it minimizes downtime and maintenance costs.
• Comprehensive Protection Functions: Additionally, the system features multiple safeguards. Specifically, it protects against phase loss, overvoltage, and undervoltage. Likewise, it includes protection for short circuits, overcurrent, and overheating. Thus, it provides all-around protection for equipment and operation.

Applications & Advantages

This water-cooled rectifier is widely used in high-volume surface treatment applications. These include, for example:

In Aluminum Profile Anodizing, it treats architectural profiles, window frames, and structural components. Specifically, it ensures uniform coating thickness. Additionally, it provides consistent color matching for decorative finishes.

For Architectural Finishing, this rectifier treats building facades, curtain walls, and railings. Specifically, it enhances corrosion resistance. Additionally, it improves durability and appearance.

In Automotive Applications, it anodizes wheels, trim components, and engine parts. Specifically, it meets stringent quality requirements. Furthermore, it ensures consistent finish quality.

For Consumer Electronics, this rectifier treats housings, bezels, and components. Specifically, it provides scratch-resistant finishes. Additionally, it enables precise color control.

Ultimately, this 4000A 20V water-cooled rectifier represents a reliable power solution for ultra-high-volume industrial anodizing operations. Specifically, it combines high power output with precision control. Thus, it enables manufacturers to produce high-quality anodized coatings for demanding applications.

Why Choose This Water-Cooled Rectifier?

Ultra-High Power Output: Firstly, the unit delivers 4000A at 20V. Therefore, this rectifier enables ultra-high-volume production. Additionally, it processes long profiles and large components efficiently.

Precision Control: Secondly, the system offers ≤ ±1% accuracy. Specifically, it ensures consistent coating quality. Thus, this rectifier delivers repeatable results.

Energy Efficiency: Moreover, the compact design reduces energy losses. Specifically, it outperforms traditional rectifiers in efficiency. Thus, operators enjoy lower operating costs.

Water-Cooled Reliability: Finally, the closed-loop cooling system supports continuous operation. Specifically, it handles 24/7 production cycles. Thus, this rectifier ensures long-term reliability.

Frequently Asked Questions (FAQs) About Gaohui Power Supply

Q: Do you have a price list for your products?

A: Products with the same nominal specifications often serve different industries, and they may carry different detailed parameter requirements. These differences directly affect production costs and technical solutions, so final prices will vary accordingly. For this reason, we recommend you contact us directly to receive a precise and tailored quotation.

Q: How can I obtain detailed technical specifications and images for a specific product?

A: We assign specialized consultants to support each industry sector. If you need further information, simply reach out to us. After we confirm your request, we will immediately send you the full technical datasheets and product images you need.

Q: What should I do if I cannot find the specific output current and voltage specifications I require?

A: We focus on custom non-standard industrial power supplies, so we can fully adjust output current and voltage to match your exact needs. The products shown on our website only represent part of our actual range, as we do not list every model online. If you cannot find your desired specifications, please contact us directly. We will work with you to confirm your exact requirements, or we can guide you to select the most suitable parameters based on your industry standards. We will provide complete technical specifications and dimension drawings so you can fully understand the product.