GAOHUI 12V 300A Industrial Precious Metal Electroplating Rectifier – High-Precision DC Power Supply for Gold, Silver, Rhodium Plating

Part 1: Key Features & Engineering Highlights
– Engineered with advanced Germany technology cooling system, ensuring stable 12V 300A output for continuous precious metal plating operations, reducing downtime in your factory.
– As a leading IGBT rectifier manufacturer, we deliver >90% energy efficiency, lowering your heavy-duty DC power supply price per amp over the equipment lifetime.
– Digital microprocessor control enables micro-level current stability (±0.5%), critical for uniform gold and rhodium plating tank deposition.
– Modular IGBT design allows rapid field servicing, a key differentiator from traditional industrial high frequency rectifier factory offerings.
– Compact rack-mount chassis saves floor space while delivering full 3600W rated power for laboratory precision rectifier applications.

Part 2: Technical Specifications Table

Part 3: Advanced Built-in Protection Systems
Our 12V 300A rectifier is equipped with comprehensive safeguards to protect both the power supply and your precious metal plating bath. The system includes over-voltage protection that instantly shuts down output if voltage exceeds 13V, preventing damage to sensitive gold or rhodium solutions. Over-current protection limits output to 105% of rated 300A, safeguarding against short circuits in the plating tank. Over-heat protection monitors IGBT junction temperature, automatically reducing current or shutting down if internal temperature exceeds 85°C. Additionally, phase-loss detection prevents operation on single-phase power, ensuring consistent custom current voltage rectifier performance. All protection events are logged with a digital fault code for rapid troubleshooting by your engineering team.

Part 4: Target Industrial Applications
This GAOHUI rectifier is purpose-built for precious metal electroplating processes. Primary applications include gold plating of connectors, jewelry, and PCB contacts. It excels in silver plating for decorative and electronic components. The unit is ideal for rhodium plating tank operations requiring ultra-pure, bright deposits. It supports nickel underplating for wear resistance and copper strike plating for adhesion. Additional shop processes include selective brush plating of gold and silver for repair work, electroforming of intricate gold shapes, and laboratory-scale precious metal recovery via electrowinning. The 12V 300A output is perfectly matched for small-to-medium bath volumes typical in custom job shops.

Part 5: Customization and Tailored Engineering Services
As a factory-direct IGBT rectifier manufacturer, GAOHUI offers full custom capability from 1V to 1000V and 1A to 100,000A, with AC input and pure DC output only. For your 12V 300A unit, we can integrate custom functional modules to match your specific plating line. Options include a Digital Process Timer for precise dwell control, a Multi-Stage Programmable Profile Control for ramping current during gold strike cycles, and an Ampere-Minute Integrator for exact metal deposition tracking. An Automatic Reverse Polarity module enables periodic reversal for leveling in nickel plating. A Soft-Start Ramp-Up prevents thermal shock to delicate rhodium baths. Local/Remote Control is available via rugged Push-Button panel or full-color HMI Touch Screen. Communication interfaces include RS485 Modbus RTU for PLC integration, Ethernet for remote monitoring, and 4-20mA analog control for existing automation systems. Pulse Functions are adjustable from 1-100% duty cycle and 1-3000Hz frequency, enabling pulse plating of gold for improved density and reduced porosity. All modules are designed and tested in our ISO9001 facility.