This 12V 300A electro polishing rectifier is designed for metal surface polishing and electrochemical processing applications. It provides pure DC output with low ripple, ensuring stable current and high-quality polishing results. The power supply supports 220V single-phase input and comes with a 6-meter remote control cable for convenient operation. It is widely used in stainless steel polishing, metal surface treatment, and electroplating industries, offering reliable performance and high efficiency for industrial applications.

• Input Power: single-phase 220V AC ±10%, 50/60Hz
• Output Capability:
  • Voltage: DC 0-12V continuously adjustable
  • Current: DC 0-300A continuously adjustable
  • Power: Max.3.6KW (12V *300A)
• 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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