Output Range 2: 0-250V DC / 0-15A
Maximum Power: 22.5kW (750V Mode), 3.75kW (250V Mode)
Technology: Dual-Range Micro-Arc Oxidation (PEO)
Best For: Versatile PEO Research, Multi-Material Coating Development, Industrial-Scale R&D
The 30A 750V - 15A 250V dual-range MAO system offers versatile output capabilities for Plasma Electrolytic Oxidation research. Specifically, this advanced micro-arc oxidation power supply provides both high-voltage and high-current options in a single unit. Consequently, researchers can optimize PEO processes across different material systems and coating requirements. Furthermore, it eliminates the need for multiple specialized power supplies.
| Parameter | Specification |
|---|---|
| Input Power | 3-Phase 400VAC, 50/60Hz |
| High-Range Output | 0-750V / 0-30A |
| Low-Range Output | 0-250V / 0-15A |
| Mode Switching | Automatic with Software Selection |
| Pulse Frequency | 1-5000 Hz (Both Ranges) |
| Duty Cycle | 1-95% Adjustable |
| Control Interface | Industrial Touchscreen with Dual-Range Profiles |
| Process Recipes | 50+ Programmable with Range-Specific Parameters |
| Data Logging | Comprehensive V, I, t, Power Recording |
| Cooling | Air Cooling |
| Protections | Dual-Range OVP/OCP, Arc Detection, Thermal Management, Phase Monitoring |
| Single Pulse | ||||||
| No. | Model | Forward Current (A) | Forward Voltage (V) | Input Voltage (V) | Cooling Method | W×L×H (mm) |
| 1 | 5A750V | 5 | 750 | 220 | Air-cooled | 290×520×190 |
| 2 | 10A750V | 10 | 750 | 380 | Air-cooled | 510×560×230 |
| 3 | 20A750V | 20 | 750 | 380 | Air-cooled | 560×760×320 |
| 4 | 30A750V | 30 | 750 | 380 | Air-cooled | 560×760×320 |
| 5 | 50A750V | 50 | 750 | 380 | Air-cooled | 520×580×930 |
| 6 | 100A750V | 100 | 750 | 380 | Air-cooled | 580×650×1650 |
| 7 | 200A750V | 200 | 750 | 380 | Water-cooled | 850×1130×1630 |
| 8 | 300A750V | 300 | 750 | 380 | Water-cooled | 800×1270×1700 |
| 9 | 500A750V | 500 | 750 | 380 | Water-cooled | 800×1270×1900 |
| Dual Pulse | ||||||||
| No. | Model | Forward Current (A) | Forward Voltage (V) | Reverse Current (A) | Reverse Voltage (V) | Input Voltage (V) | Cooling Method | Dimensions (mm) |
| 1 | 10A750V | 10 | 750 | 3 | 300 | 380 | Air-cooled | 510×560×230 |
| 2 | 30A750V | 30 | 750 | 10 | 300 | 380 | Air-cooled | 560×760×320 |
| 3 | 50A750V | 50 | 750 | 15 | 300 | 380 | Air-cooled | 520×580×930 |
| 4 | 100A750V | 100 | 750 | 30 | 300 | 380 | Air-cooled | 580×650×1650 |
| 5 | 200A750V | 200 | 750 | 50 | 300 | 380 | Water-cooled | 850×1130×1630 |
| 6 | 300A750V | 300 | 750 | 100 | 300 | 380 | Water-cooled | 800×1270×1700 |
| 7 | 500A750V | 500 | 750 | 150 | 300 | 380 | Water-cooled | 800×1270×1900 |
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.
Over all, GAOHUI provides complete single-pulse and dual-pulse models with air-cooled and water-cooled options. Accordingly, these units fit different production scales and process requirements.
Shows the peak voltage of the current pulse, a key parameter affecting coating strength.
Displays the average current over the working cycle to monitor reaction stability.
Set total time: Total process duration.
Total running time: Elapsed working time.
Cumulative ampere-minutes: Total current-time value for coating thickness control.
Multi-station ID for managing different workpiece processes.
Indicates disconnection from remote/host system, local control mode.
Constant current mode, the most common for micro-arc oxidation.
Press to immediately terminate the oxidation process.
Process stage: Current running step in multi-step program.
Ramp-up time: Time for voltage/current to rise to set value, avoiding impact.
Peak voltage limit: Maximum pulse voltage to prevent breakdown.
Frequency (Hz): Pulse working frequency, affects coating density.
Current stage: Current process segment number.
Hold time: Duration of current segment.
Average current setting: Target average current value.
Pulse "on" time percentage in one cycle, affects heat input and coating structure.
Button to start or stop the process.
Toggle between CV and CC control modes.
Pause or resume the ongoing process.
Access multi-step program editor for complex recipes.
Choose between single segment or multi-segment process.
Shows currently loaded/running process recipe.
Opens system configuration menu.
Manufacturer/support contact information.
View historical voltage/current trend graphs.
Visualizes real-time/historical voltage/current curve.
Displays the peak current value of the pulse.
Displays the average voltage over the working cycle.
Shows system date and time.
Shows the peak value of the positive pulse voltage.
Displays the average current of the positive pulse over the working cycle.
Shows the average voltage of the positive pulse over the working cycle.
Displays the peak value of the positive pulse current.
Shows the current running process number.
Sets the time for voltage/current to rise slowly from zero to the set value.
Shows the current running segment number in multi-stage processes.
Sets the duration for the current process segment.
Manufacturer/support contact information.
Shows the average voltage of the negative pulse over the working cycle.
Displays the peak value of the negative pulse current.
Shows the peak value of the negative pulse voltage.
Displays the average current of the negative pulse over the working cycle.
Sets the maximum allowed positive pulse voltage to prevent workpiece breakdown.
Sets the target average current value for the positive pulse.
Set total time: Total process duration.
Total running time: Elapsed working time.
Cumulative ampere-minutes: Total current-time value for coating thickness control.
Opens the system configuration menu.
Accesses the multi-step program editor to create complex recipes.
Selects between running a single segment or a multi-segment process.
Displays the currently loaded or running process recipe.
Temporarily pauses or resumes the ongoing process.
Toggles between constant voltage and constant current control modes.
Multi-station ID for managing different workpiece processes.
Indicates disconnection from the remote/host system, local control mode.
Current operating mode: constant current control.
Press to immediately terminate the oxidation process.
Positive: Pulse frequency, duty cycle, number of pulses.
Negative: Pulse frequency, duty cycle, number of pulses.
Main button to start or stop the entire process.
This dual-range MAO system provides unprecedented flexibility for advanced surface engineering research. These applications include, for example:
In Multi-Material PEO Research, scientists utilize the high-voltage range for magnesium and specialty alloys. Meanwhile, they employ the lower range for standard aluminum and titanium processing. Therefore, this dual-range MAO system enables comparative studies across material systems within a single experimental platform.
For Coating Thickness Optimization, researchers can use the 750V mode to develop thick, dense coatings for extreme environments. Subsequently, they can switch to the 250V mode for finer control. Thus, they can create thin, precisely engineered functional layers.
In Industrial Process Development, engineers benefit from being able to simulate both laboratory-scale and near-production conditions. Specifically, the dual ranges allow parameter optimization. Consequently, results can be directly translated to different scales of operation.
For Educational and Training Purposes, the system demonstrates how voltage and current parameters interact in PEO processes. Additionally, students gain practical understanding. Thus, they learn how to select appropriate electrical conditions for different coating objectives.
Ultimately, this 30A 750V - 15A 250V dual-range MAO system represents a comprehensive PEO research solution. Specifically, it combines the versatility needed for exploratory research. Additionally, it provides the precision required for process optimization. Therefore, it is an invaluable tool for advancing ceramic coating technology across multiple industries and applications.
Two Systems in One: Firstly, the dual-range capability eliminates the need for multiple power supplies. Therefore, it saves laboratory space. Additionally, it reduces equipment costs significantly.
Intelligent Mode Switching: Secondly, automatic software selection ensures seamless transitions between ranges. Specifically, protection parameters adjust accordingly. Thus, operator error is minimized.
Comprehensive Process Control: Moreover, 50+ programmable recipes with range-specific parameters enable sophisticated experimentation. Additionally, comprehensive data logging supports thorough analysis. Consequently, researchers can replicate results reliably.
Versatile Application Support: Finally, this dual-range MAO system supports a wide spectrum of materials. For instance, it handles magnesium, aluminum, titanium, and specialty alloys. Thus, it serves as a single platform for diverse PEO research initiatives.
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.
