12V 500A Reversing Rectifier for Seawater Electrolysis 380V Three Phase Input DC Power Supply Manual Remote Control Box

Engineered for seawater electrolysis applications, this 12V 500A reversing rectifier provides reliable DC output with periodic polarity switching to enhance process efficiency and electrode lifespan. Powered by a 380V three-phase input, the unit is suitable for continuous operation in marine and coastal environments where stability and durability are essential.

The system comes with a manual remote control box, allowing operators to adjust parameters conveniently and maintain safe operation from a distance. With a robust structure and optimized circuit design, the rectifier delivers consistent performance with low ripple and fast response. It is widely used in seawater treatment, electrolysis systems, and related electrochemical processes, and can be customized to meet specific technical requirements.

• Input Power: three-phase 380V AC ±10%, 50/60Hz
• Output Capability:
  • Voltage: DC 0±12V continuously adjustable
  • Current: DC 0±500A continuously adjustable
  • Power: Max 6KW (12V *500A)
• 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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