Anodizing Power Source 30V 15A

Executive Summary
This 30V 15A rectifier is engineered specifically for precision aluminum anodizing lines, delivering a stable DC output that reaches 0.5mil film thickness in approximately 30 minutes at 12 amps per square foot. It functions as a pure constant current power supply, automatically regulating voltage to maintain the ideal amperage for consistent anodized layer growth. As a product from an industrial high frequency rectifier factory, this unit transitions seamlessly from a low initial voltage (starting near 15V at 6ASF) to a higher compliance voltage as the anodic layer builds resistance, ensuring flawless coating across intricate part geometries.
Part 1 Key Features & Engineering Highlights
High-Frequency IGBT Inverter Topology: The unit leverages advanced IGBT switching technology operating above 20kHz, delivering a ripple-free DC output critical for preventing burning or uneven film deposition during anodizing. This industry-leading design, built in cooperation with a trusted IGBT rectifier manufacturer, achieves over 92% efficiency, reducing energy waste and operational heat in your workshop.
Dual-Voltage Universal Input & Power Scaling: The unit automatically detects line voltage. At 220V input, it unlocks full 1800W rated power, allowing you to drive 150 square inches of parts at 12ASF. At 120V input, the power supply limits itself to 900W while maintaining the same 30V ceiling, an essential safety feature for smaller shops or mobile anodizing setups. This dynamic scaling ensures you never overload a standard household circuit—yet you still get full performance when higher input is available.
Precision Constant Current Regulation: Unlike generic variable supplies, this unit prioritizes current stability. The user sets a fixed amperage via encoder knob, and the onboard digital control loop locks output to that value, even as bath chemistry temperature shifts. This feature ensures repeatable results batch after batch, a critical advantage when sourcing from a dedicated custom current voltage rectifier factory.
Clean DC Output for Consistent Anodizing: The low-ripple DC design means contamination of the oxide layer is minimized. Anodized coatings on aluminum exhibit improved scratch resistance and dye uptake uniformity, as the power supply prevents voltage spikes that can cause film burning or porous defects.
Part 2 Technical Specifications
| Parameter | Specification |
| :— | :— |
| Output Voltage | 0-30V DC continuously adjustable |
| Output Current | 0-15A continuously adjustable |
| Rated Power | 1800W (at 220V input) / 900W (at 120V input) |
| Input Voltage | 100-240V AC, 50/60Hz, auto-select |
| Regulation Mode | Constant Current (CC) primary, CV secondary |
| Voltage Setpoint Accuracy | ≤0.5% of full scale |
| Current Ripple | ≤0.1% of full scale RMS |
| Display Type | Dual LED digital meters (V/A) |
| Cooling Method | Forced air (temperature-controlled fan) |
| Protection Class | Overload, Over-voltage, Over-temperature, Short-circuit |
Part 3 Advanced Built-in Protection Systems
The power supply integrates multi-tiered fail-safes to protect your anodizing tank investment. Overload Protection instantly shuts down output if current exceeds 105% of set value, preventing catastrophic part burning. Over-voltage Protection clamps the output to 110% of set voltage, safeguarding sensitive rectifier components. Over-temperature Protection thermally monitors the IGBT heatsink and silently reduces output current if internal temperatures exceeds 85°C, then automatically recovers when cooled. Short-Circuit Protection redundant electronic fuse prevents damage if the work-piece contacts the cathode. All protections trigger a front-panel warning and audible alert, allowing rapid operator intervention.
Part 4 Target Industrial Applications
Precision Aluminum Anodizing: Ideal for Type II (sulfuric) and Type III (hard coat) anodizing. At 6ASF, the initial voltage sits near 15V, climbing to 20-25V as the film builds. At 12ASF, voltage can reach 30V, allowing faster throughput for thicker coatings. Works equally well for jewelry, aerospace components, automotive trim, and electronic enclosures. Electroplating Laboratory Use: Provides stable DC for small-scale development of nickel, copper, and chrome processes, where precise current control verifies deposition rates. Research & Development: Allows academic labs to test anodic oxidation parameters on small samples before scaling to production.
Part 5 Customization and Tailored Engineering Services
Your specific anodizing voltage (30V) and current (15A) requirements are fully met by this standard unit, but our factory offers complete customization from 1V to 1000V and 1A to 100,000A. Input is AC only; output is DC only. Optional enhancements include a Process Timer for automated cycle termination. Multi-Stage Profile Control allows ramping current in steps (e.g., 5A for 10 minutes then 10A for 20 minutes). Ampere-Minute Integrator tracks total charge passed, critical for repeatable film thickness. Automatic Reverse Polarity cycles for cleaning or stripping applications. Soft-Start eliminates current inrush. Interface options include RS485 Modbus RTU for PLC integration, Ethernet for remote monitoring, and 4-20mA for analog control. An adjustable Pulse Function (1-3000Hz) allows pulsed anodizing for enhanced coating density and adhesion. For a competitive heavy-duty DC power supply price that matches your exact spec, contact our engineering team with your voltage-current-timing profile.