20V 2000A Anodizing Rectifier 220V Three Phase Input High Current DC Power Supply Remote and Manual Control

This 20V 2000A DC power supply is specially developed for anodizing processes, delivering high current output with stable performance for aluminum surface treatment. Designed for 220V three-phase input, the system ensures efficient operation and consistent power delivery even under continuous production conditions. It supports both remote control and local manual operation, allowing flexible integration into different anodizing lines.

The unit provides accurate current and voltage regulation to help achieve uniform oxide layers and improved surface quality. Its robust construction and reliable protection features make it suitable for industrial environments with demanding workloads. Widely used in aluminum anodizing, metal finishing, and related electrochemical applications, this power supply can also be customized to meet specific technical and operational requirements.

• Input Power: three-phase 220V AC ±10%, 50/60Hz
• Output Capability:
  • Voltage: DC 0-20V continuously adjustable
  • Current: DC 0-2000A continuously adjustable
  • Power: Max.40KW (20V *2000A)
• 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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