GAOHUI anodizing rectifiers: fully customizable, IGBT/PWM design, 0-3000V/0-100000A output, ≥95% efficiency, and long-term reliable operation.
GAOHUI anodizing rectifier provides stable, high-performance DC or pulse output for aluminum, magnesium, and titanium alloy anodizing, hard anodizing, and micro-arc oxidation (MAO) processes. In fact, it ensures uniform oxide film formation, high hardness, and excellent corrosion resistance, making it ideal for industrial surface treatment production lines. Furthermore, this rectifier is widely used in various industries, from aluminum profile manufacturing to aerospace component processing, thus providing reliable power support for every production link.
Compared with ordinary power supplies, our aluminum oxidation power supply adopts advanced electronic control technology. Specifically, it can adjust output parameters according to different materials and process requirements, ensuring consistent quality of the oxide film. For instance, whether you need decorative anodizing for consumer products or hard anodizing for industrial parts, our anodizing rectifier can fully meet your diverse needs.
| Parameter | Specification |
|---|---|
| Model | Customized per customer requirements |
| Circuit Type | IGBT/PWM |
| Input Voltage | 3-Phase AC380V ±10% (other voltages customizable) |
| Input Frequency | 50Hz/60Hz (other frequencies customizable) |
| Output Voltage | DC 0-3000V (customizable) |
| Output Current | 0-100000A (customizable) |
| Output Accuracy | ≤1% (current & voltage stability) |
| Output Display | Digital voltage/current meter (split display optional) |
| Adjustment Range | 0 to max current/voltage |
| Output Waveform | DC square wave (frequency customizable) |
| Efficiency | ≥95% (overall machine) |
| Communication Interface | Standard RS485, 4-20mA optional |
| Insulation Resistance | ≥5MΩ (input-output, input-case, output-case) |
| Insulation Strength | AC1500V (input-output), AC1000V (input-case) |
| Operating Temperature | -15℃ to 40℃ |
| Storage Temperature | -20℃ to 50℃ |
| Protection Class | IP20 |
| Insulation Class | Class B |
| Cooling Method | Water-cooled / Air-cooled |
| Operation Status | Long-term continuous operation |
| Protection Functions | Phase loss, overheat, overcurrent, short circuit, undervoltage, overvoltage |
| 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)
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.

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).
To begin with, our anodizing rectifier stands out with industry-leading features that meet strict modern production demands. In addition, each function is designed to improve stability, efficiency, and ease of use.
Compared with other anodizing rectifiers on the market, GAOHUI aluminum oxidation power supply provides clear advantages that help reduce costs and improve productivity.
Our anodizing rectifier is widely applied in various industries and covers nearly all types of oxidation processes. Additionally, it has become an essential power device for surface treatment production lines worldwide.


GAOHUI is a professional manufacturer with 25+ years of experience in power supply solutions. We have rich experience in researching, developing, and producing anodizing rectifiers, and we have won the trust of customers around the world. Our factory is equipped with advanced production equipment and testing instruments, which ensures the quality of each anodizing rectifier.
We provide a complete product range from 10A to 5000A, covering various models of anodizing rectifiers and pulse rectifiers. Additionally, our team can provide custom design according to your specific process requirements, ensuring the product perfectly matches your production line. In addition to fast delivery and global shipping services, our CE, ISO, and other international certifications ensure our products meet international standards.
Our professional technical team and after-sales service provide 24/7 support and solve your problems in use in a timely manner. Therefore, choosing GAOHUI means choosing a reliable partner for your surface treatment production line.


If you need a custom anodizing rectifier with specific current, voltage, or function, please send us your detailed requirements.
Learn more about related products:10L Micro-Arc Oxidation System
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.
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.
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.