20V 3000A High Precision Conductor Heating Low Ripple Power Supply 400V Three Phase PLC Touch Screen RS485 DC Rectifier

This 20V 3000A high precision low ripple power supply is designed for conductor heating applications, featuring 400V three-phase input and advanced PLC + touch screen control system. With RS485 communication, it enables easy integration into automated systems. The unit delivers extremely stable DC output with RMS ripple ≤0.5%, current stability 0.5%, and output adjustment accuracy of 0.1A, ensuring precise and reliable heating performance for industrial processes.

• Input Power: three-phase 400V AC ±5%, 50/60Hz
• Output Capability:
  • Voltage: DC 0-20V continuously adjustable
  • Current: DC 0-3000A continuously adjustable
  • Power: Max 60KW (20V *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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