An E-Coating Rectifier (electrophoretic coating rectifier) serves as the core power source for industrial electrophoretic coating processes, converting AC power to stable, high-precision DC power to drive paint particles onto metal workpieces. Whether you’re coating auto parts, hardware, or metal components, a reliable E-Coating Rectifier directly determines the uniformity, adhesion, and corrosion resistance of the final coating. At GAOHUI, we prioritize custom solutions above all else—drawing on 25+ years of power supply R&D and manufacturing experience to develop IGBT-based E-Coating Rectifiers that solve industry pain points like unstable output, uneven coating, and high energy consumption. Most importantly, we tailor every rectifier to match your unique production needs, ensuring consistent performance for large-scale industrial operations.
The E-Coating Rectifier plays a critical role in the entire electrophoretic coating process, and its performance directly impacts production efficiency and product quality. Specifically, its core functions include:
To help you quickly assess how our E-Coating Rectifier can adapt to your production needs, we’ve compiled its core technical parameters below. Importantly, all these parameters are fully customizable—we adjust them to match your exact requirements, whether you need specific voltage, current, or control functions:
| Parameter | Base Specification (Fully Customizable) |
| Circuit Type | IGBT/PWM high-frequency switching, CV/CI/CP three-constant control (customizable control modes available) |
| Input Voltage | 3-phase AC380V±10% (we customize this for special production lines based on your on-site power supply) |
| Output Range | 0-1000V/0-10000A (we adjust voltage/current to match your coating process; ±1% output accuracy, ≤1% ripple standard) |
| Control Mode | Touch screen + remote control (RS485/4-20mA), 100 program storage (we customize program storage and control functions per your needs) |
| Protection Functions | Overheat, overcurrent, short circuit, undervoltage, no-load protection (we add custom protection features for unique production risks) |
| Certifications | ISO9001, CE, EN-61010 (we ensure all custom solutions meet your regional certification requirements) |
| Service Life | ≥8 years, MTBF ≥8000 hours (we optimize durability based on your 24/7 operation needs) |
| Cooling Mode | Water-cooled (industrial large-current models) / Air-cooled (small-scale models) (we select the best cooling mode for your production space and volume) |
While GAOHUI offers a range of standard E-Coating Rectifier models to cover basic production needs, we prioritize custom solutions above all else. These standard models serve as a starting point—we then tailor every aspect to match your unique production scale, workpiece type, and coating requirements. Whether you operate a small workshop or a large-scale auto parts production line, we design a rectifier that fits your operations perfectly. Below are our standard model foundations, which we fully customize for your needs:
Electrophoresis Power Supply Functions: Single timing, soft start
Control Method: Panel control or remote box control (all models customizable)
| Model | Output Current (A) | Output Voltage (V) | Input Current (A) | Input Voltage (V) | Weight (KG) | Dimensions W×L×H (mm) |
|---|---|---|---|---|---|---|
| DY30150 | 30 | 150 | 22.5 | 220 | 21 | 420×420×150 |
| DY50150 | 50 | 150 | 21.7 | 380 | 21 | 420×420×150 |
| DY100300 | 100 | 300 | 86.8 | 380 | 100 | 510×580×680 |
| DY200300 | 200 | 300 | 173.7 | 380 | 127 | 510×580×920 |
| DY300300 | 300 | 300 | 260.5 | 380 | 170 | 510×580×1160 |
| DY300400 | 300 | 400 | 347.4 | 380 | 250 | 580×650×1620 |
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. Work
Running indicator light, lights up when the power supply is operating normally.
2. 6cm screw fixing hole
Mounting hole for securing the control panel.
3. ALARM
Audible and visual alarm for time-up or fault conditions.
4. Output voltage display
Shows real-time output voltage of the power supply.
5. Time Control
Timer module for setting process duration, supports automatic stop after time-up.
6. CV/CC
Switch between constant voltage (CV) and constant current (CC) operating modes.
7. RESTART
Reset button to restart the control system or clear alarms.
8. OVERLOAD
Overload indicator light, lights up when the power supply exceeds the rated current.
9. OVERHEATEAD
Over-temperature indicator light, lights up when the power supply exceeds the safe temperature.
10. Output current display
Shows real-time output current of the power supply.
11. Regulate
Adjustment knob for setting output voltage or current.
12. Soft Starter Adjust
Adjustment knob for controlling the soft start ramp-up speed to avoid inrush current.
13. OFF/ON
Main power switch to turn the power supply on or off.
14. Host control cable
Connection port for linking the control panel to the main power unit.
GAOHUI’s E-Coating Rectifier is designed specifically for industrial electrophoretic coating, integrating advanced technology and user-centric design to stand out in the market. What sets us apart most is our commitment to customization—we tailor every feature to match your unique production needs. Below we break down our core features, each of which we can adjust to fit your operations:
Our E-Coating Rectifier supports free switching between CV (constant voltage), CI (constant current), adapting to different stages of the electrophoretic coating process. For example, CV mode ensures a stable electric field during the initial coating stage, CI mode maintains consistent current to avoid uneven thickness. Most importantly, we customize these modes to align with your specific coating process—adjusting switching parameters and sensitivity to match your workpiece type and paint specifications.
We adopt advanced IGBT high-frequency switching technology to achieve ±1% output accuracy and ≤1% ripple, which eliminates coating defects like pinholes, uneven thickness, and poor adhesion. Moreover, we tune this precision to your exact quality standards—if your production requires higher accuracy for specialized components, we enhance the rectifier’s performance to meet those demands. The low ripple design also ensures stable performance even during long hours of continuous operation, reducing product rejection rates.
The E-Coating Rectifier comes equipped with a large LCD touch screen for one-click parameter setup and real-time data display. We customize these features to match your workflow—for example, we can increase program storage if you handle multiple workpiece types, or add specific data monitoring metrics that matter most to your production. Additionally, remote monitoring via RS485 lets you oversee the power supply status from the control room, and we can integrate this with your existing production management system for seamless operation.
To ensure the stability of your production line, we equip the E-Coating Rectifier with multiple protection functions, including overheat, overcurrent, short circuit, undervoltage, and no-load protection. We also adapt these protection features to your specific production environment—if your factory faces unique risks like high humidity or dust, we enhance the rectifier’s dustproof, waterproof, or corrosion-resistant properties. Furthermore, we optimize the durable design to match your operational needs, whether you require 24/7 continuous operation or intermittent use.
Every production line has unique requirements, so full customization lies at the heart of our E-Coating Rectifier solutions. We work closely with your team to understand your production goals, workpiece specifications, coating process, and on-site conditions. From adjusting voltage, current, and cooling mode to modifying control functions and equipment size, we design a rectifier that fits your operations perfectly. For example, we can create modular systems for distributed production lines, high-voltage models for special coating processes, or compact designs for limited production space—whatever your needs, we deliver a tailored solution.
Compared to traditional, one-size-fits-all E-Coating Rectifiers, GAOHUI’s custom solutions offer distinct advantages that help industrial manufacturers improve efficiency, reduce costs, and enhance product quality. Specifically, these advantages include:
GAOHUI’s custom E-Coating Rectifier adapts to a wide range of industrial fields that require high-quality electrophoretic coating. We tailor our solutions to the unique needs of each industry, ensuring optimal performance for your specific application:
We design custom E-Coating Rectifiers for coating auto bodies, engine parts, chassis, and other auto components, ensuring they deliver a corrosion-resistant, wear-resistant coating that meets strict automotive industry standards.
For hardware and fastener manufacturers, we customize compact, energy-efficient rectifiers that handle small-batch production while ensuring a uniform, decorative, and corrosion-resistant surface. We adjust voltage and current to match the size of your hardware, whether you’re coating nuts, bolts, hinges, or other small components.
We tailor our E-Coating Rectifiers for construction machinery parts, such as excavator arms, crane components, and steel structures. These custom solutions feature enhanced durability and corrosion resistance to withstand harsh outdoor environments and heavy use, while we adjust power output to match the large size of these components.
We also design custom solutions for aerospace components, marine parts, and precision metal instruments—where high-quality, corrosion-resistant coatings are critical. For these specialized applications, we enhance precision, adjust voltage/current to match unique coating processes, and add custom protection features.
With 25+ years of R&D and manufacturing experience in power supply technology, GAOHUI has become a trusted partner for industrial manufacturers worldwide—especially those seeking custom solutions. We prioritize customization above all else, working closely with your team to understand every detail of your production needs. Our E-Coating Rectifiers are ISO9001, CE certified, and we ensure all custom solutions meet your regional certification requirements. Additionally, our team of professional engineers provides free technical guidance, custom design, and lifelong after-sales support—so you can focus on your production, knowing your custom power supply is in reliable hands.
At GAOHUI, custom solutions are our focus—we don’t just sell E-Coating Rectifiers; we design them to fit your exact production needs. If you need a custom E-Coating Rectifier with specific voltage, current, cooling requirements, or control functions, please send us your detailed production needs.
Learn more about related products:electrophoresis rectifier
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.
