30V 3000A Reversing Rectifier 380V Three Phase PLC HMI RS485 DC Power Supply

This 30V 3000A reversing rectifier is specially designed for industrial electroplating and metal surface treatment applications. Featuring 380V three-phase input, PLC + HMI intelligent control, and RS485 communication interface, the unit offers precise forward/reverse output control, stable DC performance, and reliable operation. Suitable for hard chrome plating, electroforming, anodizing, electrolytic polishing, and other demanding electrochemical processes.

• Input Power: three-phase 380V AC ±10%, 50/60Hz
• Output Capability:
  • Voltage: DC 0±30V continuously adjustable
  • Current: DC 0±3000A continuously adjustable
  • Power: Max.90KW (30V *3000A)
• Regulation Accuracy: Voltage ±1%, Current ±1%
• Efficiency: ≥85% (IGBT high-frequency soft-switching technology)
• Cooling System: Intelligent forced air cooling (temperature-controlled variable-speed fans, low noise)
• Protection Features: Over-voltage, over-current, short-circuit, overheating, phase loss, and input surge protection
• Control Modes: Auto-switching between CV/CC modes; supports local keypad or remote RS485 communication (Modbus protocol)；local panel control
• Display Interface: LED/liquid crystal screen for real-time voltage, current, and status alerts
• Operating Temperature: -10℃ to +50℃
• Protection Rating: IP21 (dust and drip-proof)

• Flexible Adaptation: CC/CV auto-switching ensures precise control for electroplating processes.
• Energy Efficiency: IGBT high-frequency inversion reduces energy loss, saving 10%-15% compared to traditional SCR rectifiers.
• Compact Design: Space-saving and lightweight, suitable for workshops or labs.
• Smart Thermal Management: Fans adjust speed based on load temperature, balancing cooling and noise.
• High Compatibility: Wide input voltage range (±15%) accommodates grid fluctuations.

• Precision Electroplating: Gold/silver plating, PCB electroplating, and other current-sensitive processes.
• Small-Scale Electrolysis: Lab-based water electrolysis, precious metal refining.
• Surface Treatment: Anodizing, electrophoretic coating, metal polishing.
• R & D & Education: Electrochemical experiments in universities and research institutes.
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