Key Features
Microsecond-level fault response time for protection of both the rectifier and anodizing bath
High power factor exceeding 0.95 and overall efficiency above 92% for reduced energy consumption
Precise voltage and current regulation suitable for Type II and Type III anodizing processes
Robust IGBT inverter technology with forced air cooling for continuous 24/7 industrial operation
Compact modular design enabling easy installation and maintenance in production lines
Technical Specifications
| Model | KGY-2000A-24V |
| Output Voltage | 0-24V DC, continuously adjustable |
| Output Current | 0-2000A DC, continuously adjustable |
| Input Voltage | 380V AC, 3-phase, 50/60Hz |
| Output Type | Single output, constant voltage/current |
| Ripple | Less than 1% RMS at rated output |
| Cooling Method | Forced air cooling |
| Protection Class | IP20 (indoor use) |
| Operating Temperature | 0-40 degrees Celsius |
| Warranty | 2 years |
Built-in Protection Systems
The GAOHUI 24V 2000A anodizing rectifier includes comprehensive protection against overheating, overcurrent, short circuit, undervoltage, and overvoltage conditions. A dedicated digital processor monitors all parameters in real-time, triggering automatic shutdown within microseconds if any fault is detected. This ensures safe operation during prolonged anodizing cycles and prevents damage to both the power supply and workpieces.
Main Applications
This rectifier is specifically designed for aluminum anodizing processes, including Type II decorative anodizing and Type III hard anodizing. It delivers stable DC power for consistent oxide layer formation, eliminating issues such as dark spots or uneven dye absorption commonly caused by voltage fluctuations. The 24V output supports current densities up to 12 amps per square foot, enabling efficient processing of large aluminum parts for aerospace, automotive, and consumer goods industries.
Customization and Tailored Engineering Services
GAOHUI offers full customization across 1V-1000V and 1A-100,000A ranges for AC-DC power supplies. Available custom functions include Digital Process Timer for precise cycle control, Multi-Stage Programmable Profile Control for complex anodizing sequences, Ampere-Minute Integrator for accurate film thickness monitoring, Automatic Reverse Polarity for cleaning cycles, and Soft-Start Ramp-Up to prevent thermal shock. Control options include Local/Remote operation via Push-Button or HMI Touch Screen. Communication interfaces support RS485 Modbus RTU, Ethernet, and 4-20mA analog signals. Pulse functions enable 1-100% duty cycle and 1-3000Hz frequency adjustment for specialized surface finishes.
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