Key Features
Constant Current (CC) and Constant Voltage (CV) modes with automatic crossover for precise hard anodizing process control
High-frequency IGBT switching technology for stable DC output with ripple less than 1% RMS
Built-in RS485 digital interface with Modbus RTU protocol for remote monitoring and PLC integration
Digital display for real-time voltage, current, and process parameters
Compact rack-mount design with forced air cooling for continuous industrial duty
Technical Specifications
| Input Voltage | AC 380V ±10% 3-Phase, 50/60Hz |
| Output Voltage | 0-60V DC, continuously adjustable |
| Output Current | 0-40A DC, continuously adjustable |
| Output Power | 2400W maximum |
| Ripple & Noise | Less than 1% RMS at full load |
| Regulation | Line regulation ±0.1%, Load regulation ±0.1% |
| Efficiency | Greater than 90% at full load |
| Display | Dual digital meters for voltage and current |
| Cooling | Forced air with temperature-controlled fan |
| Operating Temperature | 0°C to 40°C |
| Dimensions | 19-inch rack mount, 3U height |
| Weight | Approximately 15 kg |
Built-in Protection Systems
Overvoltage protection with adjustable threshold and automatic shutdown
Overcurrent protection with fast-acting electronic circuit breaker
Overtemperature protection with thermal sensor and fan speed control
Short circuit protection with immediate output cutoff and audible alarm
Reverse polarity protection to prevent damage to load and rectifier
Main Applications
Hard anodizing of aluminum, aluminum alloys, titanium, stainless steel, and magnesium
Precision anodizing for aerospace, automotive, and medical components
Electroplating and electroforming processes requiring stable DC current
Laboratory and research applications for electrochemical studies
Industrial surface treatment and metal finishing operations
Customization and Tailored Engineering Services
GAOHUI factory offers full customization from 1V to 1000V and 1A to 100,000A 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 charge measurement, Automatic Reverse Polarity for specialized coatings, and Soft-Start Ramp-Up to prevent thermal shock. Local/Remote Control options include Push-Button interface or HMI Touch Screen. Communication Interfaces support RS485 Modbus RTU, Ethernet, and 4-20mA analog signals. Pulse Functions allow 1-100% duty cycle and 1-3000Hz frequency adjustment for advanced surface treatment.
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