12V 300A Low Ripple DC Rectifier 480V Three Phase with Amp Hour Meter and Timer Relay

The 12V 300A low ripple DC rectifier provides high-quality DC output with ripple ≤1%, making it ideal for precision electroplating, anodizing, electroforming, and other industrial electrochemical processes. Powered by a 480V three-phase AC input, it features an Amp Hour Meter for monitoring accumulated current output and a Timer Relay for accurate process control. Built with advanced IGBT technology, the rectifier offers adjustable constant current and constant voltage output, high efficiency, low energy consumption, and comprehensive protection functions for reliable long-term operation.

• Input Power: three-phase 480V AC ±5%, 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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