12V 20A Low Ripple DC Power Supply 220V Single Phase with Timer Relay Amp Minute Meter CPU HMI Control

The 12V 20A low ripple DC power supply delivers stable DC output with ripple ≤2%, making it ideal for precision electroplating, anodizing, laboratory testing, and other applications requiring high-quality DC power. Powered by a 220V single-phase AC input, it features a timer relay, Amp Minute Meter, and CPU + HMI control for accurate process management and easy operation. Built with high-frequency IGBT technology, it provides adjustable constant current and constant voltage output, high efficiency, and comprehensive protection for reliable long-term performance.

• Input Power: single-phase 220V AC ±10%, 50/60Hz
• Output Capability:
  • Voltage: DC 0-12V continuously adjustable
  • Current: DC 0-20A continuously adjustable
  • Power: Max 240W (12V *20A)
• 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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